StructureDefinition-UKCore-Medication

Canonical_URLCurrent_VersionLast_UpdatedDescription
https://fhir.hl7.org.uk/StructureDefinition/UKCore-Medication2.3.02023-12-12

This profile defines the UK constraints and extensions on the International FHIR resource Medication.


Profile_Purpose

This profile is primarily used for the identification and definition of a medication for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.

Snapshot View

idΣ0..1string
metaΣ0..1Meta
implicitRulesΣ ?!0..1uri
language0..1codeBinding
text0..1Narrative
contained0..*Resource
MedicationTradeFamilyI0..1Extension(CodeableConcept)
modifierExtension?! I0..*Extension
identifierΣ0..*Identifier
codeS Σ1..1CodeableConceptBinding
statusΣ ?!0..1codeBinding
manufacturerΣ I0..1Reference(Organization)
form0..1CodeableConceptBinding
amountΣ I0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
itemCodeableConceptCodeableConcept
itemReferenceReference(Substance | Medication)
isActive0..1boolean
strengthI0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
lotNumber0..1string
expirationDate0..1dateTime

Differential View

idΣ0..1string
metaΣ0..1Meta
implicitRulesΣ ?!0..1uri
language0..1codeBinding
text0..1Narrative
contained0..*Resource
MedicationTradeFamilyI0..1Extension(CodeableConcept)
modifierExtension?! I0..*Extension
identifierΣ0..*Identifier
codeS Σ1..1CodeableConceptBinding
statusΣ ?!0..1codeBinding
manufacturerΣ I0..1Reference(Organization)
form0..1CodeableConceptBinding
amountΣ I0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
itemCodeableConceptCodeableConcept
itemReferenceReference(Substance | Medication)
isActive0..1boolean
strengthI0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
lotNumber0..1string
expirationDate0..1dateTime

Hybrid View

idΣ0..1string
metaΣ0..1Meta
implicitRulesΣ ?!0..1uri
language0..1codeBinding
text0..1Narrative
contained0..*Resource
MedicationTradeFamilyI0..1Extension(CodeableConcept)
modifierExtension?! I0..*Extension
identifierΣ0..*Identifier
codeS Σ1..1CodeableConceptBinding
statusΣ ?!0..1codeBinding
manufacturerΣ I0..1Reference(Organization)
form0..1CodeableConceptBinding
amountΣ I0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
itemCodeableConceptCodeableConcept
itemReferenceReference(Substance | Medication)
isActive0..1boolean
strengthI0..1Ratio
id0..1string
extensionI0..*Extension
modifierExtensionΣ ?! I0..*Extension
lotNumber0..1string
expirationDate0..1dateTime

Table View

Medication0..*
Medication.idstring0..1
Medication.metaMeta0..1
Medication.implicitRulesuri0..1
Medication.languagecode0..1
Medication.textNarrative0..1
Medication.containedResource0..*
Medication.extensionExtension0..*
Medication.extensionExtension0..1
Medication.modifierExtensionExtension0..*
Medication.identifierIdentifier0..*
Medication.codeCodeableConcept1..1
Medication.statuscode0..1
Medication.manufacturerReference(Organization)0..1
Medication.formCodeableConcept0..1
Medication.amountRatio0..1
Medication.ingredientBackboneElement0..*
Medication.ingredient.idstring0..1
Medication.ingredient.extensionExtension0..*
Medication.ingredient.modifierExtensionExtension0..*
Medication.ingredient.item[x]CodeableConcept, Reference(Substance | Medication)1..1
Medication.ingredient.isActiveboolean0..1
Medication.ingredient.strengthRatio0..1
Medication.batchBackboneElement0..1
Medication.batch.idstring0..1
Medication.batch.extensionExtension0..*
Medication.batch.modifierExtensionExtension0..*
Medication.batch.lotNumberstring0..1
Medication.batch.expirationDatedateTime0..1

XML View

<StructureDefinition xmlns="http://hl7.org/fhir">
    <id value="UKCore-Medication" />
    <url value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Medication" />
    <version value="2.3.0" />
    <name value="UKCoreMedication" />
    <title value="UK Core Medication" />
    <status value="active" />
    <date value="2023-12-12" />
    <publisher value="HL7 UK" />
    <contact>
        <name value="HL7 UK" />
        <telecom>
            <system value="email" />
            <value value="ukcore@hl7.org.uk" />
            <use value="work" />
            <rank value="1" />
        </telecom>
    </contact>
    <description value="This profile defines the UK constraints and extensions on the International FHIR resource [Medication](https://hl7.org/fhir/R4/Medication.html)." />
    <purpose value="This profile is primarily used for the identification and definition of a medication for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use." />
    <copyright value="Copyright &#169; 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7&#174; FHIR&#174; standard Copyright &#169; 2011+ HL7 The HL7&#174; FHIR&#174; standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
    <fhirVersion value="4.0.1" />
    <kind value="resource" />
    <abstract value="false" />
    <type value="Medication" />
    <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Medication" />
    <derivation value="constraint" />
    <snapshot>
        <element id="Medication">
            <path value="Medication" />
            <short value="Definition of a Medication" />
            <definition value="This resource is primarily used for the identification and definition of a medication for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Medication" />
                <min value="0" />
                <max value="*" />
            </base>
            <constraint>
                <key value="dom-2" />
                <severity value="error" />
                <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources" />
                <expression value="contained.contained.empty()" />
                <xpath value="not(parent::f:contained and f:contained)" />
                <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
            </constraint>
            <constraint>
                <key value="dom-4" />
                <severity value="error" />
                <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated" />
                <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()" />
                <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))" />
                <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
            </constraint>
            <constraint>
                <key value="dom-3" />
                <severity value="error" />
                <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource" />
                <expression value="contained.where(((&#39;#&#39;+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = &#39;#&#39;).exists() or descendants().where(as(canonical) = &#39;#&#39;).exists() or descendants().where(as(canonical) = &#39;#&#39;).exists()).not()).trace(&#39;unmatched&#39;, id).empty()" />
                <xpath value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat(&#39;#&#39;, $contained/*/id/@value) or descendant::f:reference[@value=&#39;#&#39;])]))" />
                <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
            </constraint>
            <constraint>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">
                    <valueBoolean value="true" />
                </extension>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">
                    <valueMarkdown value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time." />
                </extension>
                <key value="dom-6" />
                <severity value="warning" />
                <human value="A resource should have narrative for robust management" />
                <expression value="text.`div`.exists()" />
                <xpath value="exists(f:text/h:div)" />
                <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
            </constraint>
            <constraint>
                <key value="dom-5" />
                <severity value="error" />
                <human value="If a resource is contained in another resource, it SHALL NOT have a security label" />
                <expression value="contained.meta.security.empty()" />
                <xpath value="not(exists(f:contained/*/f:meta/f:security))" />
                <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="Entity. Role, or Act" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="NewRx/MedicationPrescribed\n-or-\nRxFill/MedicationDispensed\n-or-\nRxHistoryResponse/MedicationDispensed\n-or-\nRxHistoryResponse/MedicationPrescribed" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="ManufacturedProduct[classCode=ADMM]" />
            </mapping>
        </element>
        <element id="Medication.id">
            <path value="Medication.id" />
            <short value="Logical id of this artifact" />
            <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes." />
            <comment value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Resource.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <isSummary value="true" />
        </element>
        <element id="Medication.meta">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.meta" />
            <short value="Metadata about the resource" />
            <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Resource.meta" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Meta" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.implicitRules">
            <path value="Medication.implicitRules" />
            <short value="A set of rules under which this content was created" />
            <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc." />
            <comment value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it&#39;s narrative along with other profiles, value sets, etc." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Resource.implicitRules" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="uri" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isModifier value="true" />
            <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it&#39;s meaning or interpretation" />
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Medication.language">
            <path value="Medication.language" />
            <short value="Language of the resource content" />
            <definition value="The base language in which the resource is written." />
            <comment value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Resource.language" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="code" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <binding>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
                    <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages" />
                </extension>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
                    <valueString value="Language" />
                </extension>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
                    <valueBoolean value="true" />
                </extension>
                <strength value="preferred" />
                <description value="A human language." />
                <valueSet value="http://hl7.org/fhir/ValueSet/languages" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Medication.text">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.text" />
            <short value="Text summary of the resource, for human interpretation" />
            <definition value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety." />
            <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded information is added later." />
            <alias value="narrative" />
            <alias value="html" />
            <alias value="xhtml" />
            <alias value="display" />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="DomainResource.text" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Narrative" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="Act.text?" />
            </mapping>
        </element>
        <element id="Medication.contained">
            <path value="Medication.contained" />
            <short value="Contained, inline Resources" />
            <definition value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope." />
            <comment value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels." />
            <alias value="inline resources" />
            <alias value="anonymous resources" />
            <alias value="contained resources" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="DomainResource.contained" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Resource" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="Entity. Role, or Act" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="DomainResource.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.extension:MedicationTradeFamily">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.extension" />
            <sliceName value="MedicationTradeFamily" />
            <short value="A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)" />
            <definition value="A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="DomainResource.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
                <profile value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationTradeFamily" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.modifierExtension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.modifierExtension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Extensions that cannot be ignored" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element&#39;s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="DomainResource.modifierExtension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="true" />
            <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.identifier">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.identifier" />
            <short value="Business identifier for this medication" />
            <definition value="Business identifier for this medication." />
            <comment value="The serial number could be included as an identifier." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Medication.identifier" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Identifier" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]" />
            </mapping>
            <mapping>
                <identity value="servd" />
                <map value="Identifier" />
            </mapping>
            <mapping>
                <identity value="w5" />
                <map value="FiveWs.identifier" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".id" />
            </mapping>
        </element>
        <element id="Medication.code">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.code" />
            <short value="Codes that identify this medication" />
            <definition value="A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems." />
            <comment value="Depending on the context of use, the code that was actually selected by the user (prescriber, dispenser, etc.) will have the coding.userSelected set to true.  As described in the coding datatype: &quot;A coding may be marked as a &quot;userSelected&quot; if a user selected the particular coded value in a user interface (e.g. the user selects an item in a pick-list). If a user selected coding exists, it is the preferred choice for performing translations etc. Other codes can only be literal translations to alternative code systems, or codes at a lower level of granularity (e.g. a generic code for a vendor-specific primary one)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Medication.code" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mustSupport value="true" />
            <isSummary value="true" />
            <binding>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
                    <valueString value="MedicationFormalRepresentation" />
                </extension>
                <strength value="preferred" />
                <description value="A coded concept that defines the type of a medication." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationCode" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="CE/CNE/CWE" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="CD" />
            </mapping>
            <mapping>
                <identity value="orim" />
                <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="coding.code = //element(*,MedicationType)/DrugCoded/ProductCode\n\ncoding.system = //element(*,MedicationType)/DrugCoded/ProductCodeQualifier\n\ncoding.display = //element(*,MedicationType)/DrugDescription" />
            </mapping>
            <mapping>
                <identity value="w5" />
                <map value="FiveWs.class" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXO-1.1-Requested Give Code.code / RXE-2.1-Give Code.code / RXD-2.1-Dispense/Give Code.code / RXG-4.1-Give Code.code /RXA-5.1-Administered Code.code / RXC-2.1 Component Code" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".code" />
            </mapping>
        </element>
        <element id="Medication.status">
            <path value="Medication.status" />
            <short value="active | inactive | entered-in-error" />
            <definition value="A code to indicate if the medication is in active use." />
            <comment value="This status is intended to identify if the medication in a local system is in active use within a drug database or inventory.  For example, a pharmacy system may create a new drug file record for a compounded product &quot;ABC Hospital Special Cream&quot; with an active status.  At some point in the future, it may be determined that the drug record was created with an error and the status is changed to &quot;entered in error&quot;.   This status is not intended to specify if a medication is part of a particular formulary.  It is possible that the drug record may be referenced by multiple formularies or catalogues and each of those entries would have a separate status." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.status" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="code" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isModifier value="true" />
            <isModifierReason value="This element changes the interpretation of all descriptive attributes." />
            <isSummary value="true" />
            <binding>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
                    <valueString value="MedicationStatus" />
                </extension>
                <strength value="required" />
                <description value="A coded concept defining if the medication is in active use." />
                <valueSet value="http://hl7.org/fhir/ValueSet/medication-status|4.0.1" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".statusCode" />
            </mapping>
        </element>
        <element id="Medication.manufacturer">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.manufacturer" />
            <short value="Manufacturer of the item" />
            <definition value="Describes the details of the manufacturer of the medication product.  This is not intended to represent the distributor of a medication product." />
            <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.manufacturer" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Reference" />
                <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ref-1" />
                <severity value="error" />
                <human value="SHALL have a contained resource if a local reference is provided" />
                <expression value="reference.startsWith(&#39;#&#39;).not() or (reference.substring(1).trace(&#39;url&#39;) in %rootResource.contained.id.trace(&#39;ids&#39;))" />
                <xpath value="not(starts-with(f:reference/@value, &#39;#&#39;)) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, &#39;#&#39;)]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, &#39;#&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
            </constraint>
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="no mapping" />
            </mapping>
            <mapping>
                <identity value="w5" />
                <map value="FiveWs.actor" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXD-20-Substance Manufacturer Name / RXG-21-Substance Manufacturer Name / RXA-17-Substance Manufacturer Name" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".player.scopingRole[typeCode=MANU].scoper" />
            </mapping>
        </element>
        <element id="Medication.form">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.form" />
            <short value="powder | tablets | capsule +" />
            <definition value="Describes the form of the item.  Powder; tablets; capsule." />
            <comment value="When Medication is referenced from MedicationRequest, this is the ordered form.  When Medication is referenced within MedicationDispense, this is the dispensed form.  When Medication is referenced within MedicationAdministration, this is administered form." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.form" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <binding>
                <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
                    <valueString value="MedicationForm" />
                </extension>
                <strength value="preferred" />
                <description value="A coded concept defining the form of a medication." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationForm" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="CE/CNE/CWE" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="CD" />
            </mapping>
            <mapping>
                <identity value="orim" />
                <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="coding.code =  //element(*,DrugCodedType)/FormCode\n\ncoding.system = //element(*,DrugCodedType)/FormSourceCode" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXO-5-Requested Dosage Form / RXE-6-Give Dosage Form / RXD-6-Actual Dosage Form / RXG-8-Give Dosage Form / RXA-8-Administered Dosage Form" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".formCode" />
            </mapping>
        </element>
        <element id="Medication.amount">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.amount" />
            <short value="Amount of drug in package" />
            <definition value="Specific amount of the drug in the packaged product.  For example, when specifying a product that has the same strength (For example, Insulin glargine 100 unit per mL solution for injection), this attribute provides additional clarification of the package amount (For example, 3 mL, 10mL, etc.)." />
            <comment value="The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit.  Where the denominator value is known to be fixed to &quot;1&quot;, Quantity should be used instead of Ratio." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.amount" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Ratio" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="rat-1" />
                <severity value="error" />
                <human value="Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present" />
                <expression value="(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())" />
                <xpath value="(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) &gt; 0) or (count(f:extension) &gt; 0))" />
                <source value="http://hl7.org/fhir/StructureDefinition/Ratio" />
            </constraint>
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="N/A" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="RTO" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".quantity" />
            </mapping>
        </element>
        <element id="Medication.ingredient">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.ingredient" />
            <short value="Active or inactive ingredient" />
            <definition value="Identifies a particular constituent of interest in the product." />
            <comment value="The ingredients need not be a complete list.  If an ingredient is not specified, this does not indicate whether an ingredient is present or absent.  If an ingredient is specified it does not mean that all ingredients are specified.  It is possible to specify both inactive and active ingredients." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Medication.ingredient" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="BackboneElement" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".scopesRole[typeCode=INGR]" />
            </mapping>
        </element>
        <element id="Medication.ingredient.id">
            <path value="Medication.ingredient.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Medication.ingredient.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.ingredient.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.ingredient.modifierExtension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.ingredient.modifierExtension" />
            <short value="Extensions that cannot be ignored even if unrecognized" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element&#39;s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
            <alias value="extensions" />
            <alias value="user content" />
            <alias value="modifiers" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="BackboneElement.modifierExtension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="true" />
            <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.ingredient.item[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.ingredient.item[x]" />
            <short value="The actual ingredient or content" />
            <definition value="The actual ingredient - either a substance (simple ingredient) or another medication of a medication." />
            <requirements value="The ingredient may reference a substance (for example, amoxicillin) or another medication (for example in the case of a compounded product, Glaxal Base)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Medication.ingredient.item[x]" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <type>
                <code value="Reference" />
                <targetProfile value="http://hl7.org/fhir/StructureDefinition/Substance" />
                <targetProfile value="http://hl7.org/fhir/StructureDefinition/Medication" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="coding.code = //element(*,MedicationType)/DrugCoded/ProductCode\n\ncoding.system = //element(*,MedicationType)/DrugCoded/ProductCodeQualifier\n\ncoding.display = //element(*,MedicationType)/DrugDescription" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXC-2-Component Code  if medication: RXO-1-Requested Give Code / RXE-2-Give Code / RXD-2-Dispense/Give Code / RXG-4-Give Code / RXA-5-Administered Code" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".player" />
            </mapping>
        </element>
        <element id="Medication.ingredient.isActive">
            <path value="Medication.ingredient.isActive" />
            <short value="Active ingredient indicator" />
            <definition value="Indication of whether this ingredient affects the therapeutic action of the drug." />
            <requirements value="True indicates that the ingredient affects the therapeutic action of the drug (i.e. active). \nFalse indicates that the ingredient does not affect the therapeutic action of the drug (i.e. inactive)." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.ingredient.isActive" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="boolean" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="NA" />
            </mapping>
        </element>
        <element id="Medication.ingredient.strength">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.ingredient.strength" />
            <short value="Quantity of ingredient present" />
            <definition value="Specifies how many (or how much) of the items there are in this Medication.  For example, 250 mg per tablet.  This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet." />
            <comment value="The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit.  Where the denominator value is known to be fixed to &quot;1&quot;, Quantity should be used instead of Ratio." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.ingredient.strength" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Ratio" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="rat-1" />
                <severity value="error" />
                <human value="Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present" />
                <expression value="(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())" />
                <xpath value="(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) &gt; 0) or (count(f:extension) &gt; 0))" />
                <source value="http://hl7.org/fhir/StructureDefinition/Ratio" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="N/A" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="RTO" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="//element(*,DrugCodedType)/Strength" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXC-3-Component Amount &amp; RXC-4-Component Units  if medication: RXO-2-Requested Give Amount - Minimum &amp; RXO-4-Requested Give Units / RXO-3-Requested Give Amount - Maximum &amp; RXO-4-Requested Give Units / RXO-11-Requested Dispense Amount &amp; RXO-12-Requested Dispense Units / RXE-3-Give Amount - Minimum &amp; RXE-5-Give Units / RXE-4-Give Amount - Maximum &amp; RXE-5-Give Units / RXE-10-Dispense Amount &amp; RXE-10-Dispense Units" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".quantity" />
            </mapping>
        </element>
        <element id="Medication.batch">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.batch" />
            <short value="Details about packaged medications" />
            <definition value="Information that only applies to packages (not products)." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.batch" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="BackboneElement" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="no mapping" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".player[classCode=CONT]" />
            </mapping>
        </element>
        <element id="Medication.batch.id">
            <path value="Medication.batch.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Medication.batch.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.batch.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.batch.modifierExtension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Medication.batch.modifierExtension" />
            <short value="Extensions that cannot be ignored even if unrecognized" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element&#39;s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
            <alias value="extensions" />
            <alias value="user content" />
            <alias value="modifiers" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="BackboneElement.modifierExtension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="true" />
            <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
            <isSummary value="true" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Medication.batch.lotNumber">
            <path value="Medication.batch.lotNumber" />
            <short value="Identifier assigned to batch" />
            <definition value="The assigned lot number of a batch of the specified product." />
            <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.batch.lotNumber" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="string" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="no mapping" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXA-15 Substance Lot Number / RXG-19 Substance Lot Number" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value=".id" />
            </mapping>
        </element>
        <element id="Medication.batch.expirationDate">
            <path value="Medication.batch.expirationDate" />
            <short value="When batch will expire" />
            <definition value="When this specific batch of product will expire." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Medication.batch.expirationDate" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="dateTime" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="script10.6" />
                <map value="no mapping" />
            </mapping>
            <mapping>
                <identity value="v2" />
                <map value="RXA-16 Substance Expiration Date / RXG-20 Substance Expiration Date" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="participation[typeCode=CSM].role[classCode=INST].scopedRole.scoper[classCode=MMAT].expirationTime" />
            </mapping>
        </element>
    </snapshot>
    <differential>
        <element id="Medication.extension:MedicationTradeFamily">
            <path value="Medication.extension" />
            <sliceName value="MedicationTradeFamily" />
            <short value="A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)" />
            <definition value="A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)." />
            <type>
                <code value="Extension" />
                <profile value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationTradeFamily" />
            </type>
        </element>
        <element id="Medication.code">
            <path value="Medication.code" />
            <min value="1" />
            <mustSupport value="true" />
            <binding>
                <strength value="preferred" />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationCode" />
            </binding>
        </element>
        <element id="Medication.form">
            <path value="Medication.form" />
            <binding>
                <strength value="preferred" />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationForm" />
            </binding>
        </element>
    </differential>
</StructureDefinition>

JSON View

{
    "resourceType": "StructureDefinition",
    "id": "UKCore-Medication",
    "url": "https://fhir.hl7.org.uk/StructureDefinition/UKCore-Medication",
    "version": "2.3.0",
    "name": "UKCoreMedication",
    "title": "UK Core Medication",
    "status": "active",
    "date": "2023-12-12",
    "publisher": "HL7 UK",
    "contact":  [
        {
            "name": "HL7 UK",
            "telecom":  [
                {
                    "system": "email",
                    "value": "ukcore@hl7.org.uk",
                    "use": "work",
                    "rank": 1
                }
            ]
        }
    ],
    "description": "This profile defines the UK constraints and extensions on the International FHIR resource [Medication](https://hl7.org/fhir/R4/Medication.html).",
    "purpose": "This profile is primarily used for the identification and definition of a medication for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
    "copyright": "Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html.",
    "fhirVersion": "4.0.1",
    "kind": "resource",
    "abstract": false,
    "type": "Medication",
    "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Medication",
    "derivation": "constraint",
    "snapshot": {
        "element":  [
            {
                "id": "Medication",
                "path": "Medication",
                "short": "Definition of a Medication",
                "definition": "This resource is primarily used for the identification and definition of a medication for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Medication",
                    "min": 0,
                    "max": "*"
                },
                "constraint":  [
                    {
                        "key": "dom-2",
                        "severity": "error",
                        "human": "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
                        "expression": "contained.contained.empty()",
                        "xpath": "not(parent::f:contained and f:contained)",
                        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
                    },
                    {
                        "key": "dom-4",
                        "severity": "error",
                        "human": "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
                        "expression": "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()",
                        "xpath": "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
                        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
                    },
                    {
                        "key": "dom-3",
                        "severity": "error",
                        "human": "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource",
                        "expression": "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()",
                        "xpath": "not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))",
                        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
                    },
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice",
                                "valueBoolean": true
                            },
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation",
                                "valueMarkdown": "When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."
                            }
                        ],
                        "key": "dom-6",
                        "severity": "warning",
                        "human": "A resource should have narrative for robust management",
                        "expression": "text.`div`.exists()",
                        "xpath": "exists(f:text/h:div)",
                        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
                    },
                    {
                        "key": "dom-5",
                        "severity": "error",
                        "human": "If a resource is contained in another resource, it SHALL NOT have a security label",
                        "expression": "contained.meta.security.empty()",
                        "xpath": "not(exists(f:contained/*/f:meta/f:security))",
                        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "Entity. Role, or Act"
                    },
                    {
                        "identity": "script10.6",
                        "map": "NewRx/MedicationPrescribed\n-or-\nRxFill/MedicationDispensed\n-or-\nRxHistoryResponse/MedicationDispensed\n-or-\nRxHistoryResponse/MedicationPrescribed"
                    },
                    {
                        "identity": "rim",
                        "map": "ManufacturedProduct[classCode=ADMM]"
                    }
                ]
            },
            {
                "id": "Medication.id",
                "path": "Medication.id",
                "short": "Logical id of this artifact",
                "definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
                "comment": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Resource.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "isSummary": true
            },
            {
                "id": "Medication.meta",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.meta",
                "short": "Metadata about the resource",
                "definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Resource.meta",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Meta"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.implicitRules",
                "path": "Medication.implicitRules",
                "short": "A set of rules under which this content was created",
                "definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
                "comment": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Resource.implicitRules",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "uri"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isModifier": true,
                "isModifierReason": "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Medication.language",
                "path": "Medication.language",
                "short": "Language of the resource content",
                "definition": "The base language in which the resource is written.",
                "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Resource.language",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "code"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "binding": {
                    "extension":  [
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
                            "valueCanonical": "http://hl7.org/fhir/ValueSet/all-languages"
                        },
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
                            "valueString": "Language"
                        },
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
                            "valueBoolean": true
                        }
                    ],
                    "strength": "preferred",
                    "description": "A human language.",
                    "valueSet": "http://hl7.org/fhir/ValueSet/languages"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Medication.text",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.text",
                "short": "Text summary of the resource, for human interpretation",
                "definition": "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
                "comment": "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later.",
                "alias":  [
                    "narrative",
                    "html",
                    "xhtml",
                    "display"
                ],
                "min": 0,
                "max": "1",
                "base": {
                    "path": "DomainResource.text",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Narrative"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    },
                    {
                        "identity": "rim",
                        "map": "Act.text?"
                    }
                ]
            },
            {
                "id": "Medication.contained",
                "path": "Medication.contained",
                "short": "Contained, inline Resources",
                "definition": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
                "comment": "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.",
                "alias":  [
                    "inline resources",
                    "anonymous resources",
                    "contained resources"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "DomainResource.contained",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Resource"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "Entity. Role, or Act"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "DomainResource.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.extension:MedicationTradeFamily",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.extension",
                "sliceName": "MedicationTradeFamily",
                "short": "A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)",
                "definition": "A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM).",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "1",
                "base": {
                    "path": "DomainResource.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension",
                        "profile":  [
                            "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationTradeFamily"
                        ]
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.modifierExtension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.modifierExtension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Extensions that cannot be ignored",
                "definition": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "DomainResource.modifierExtension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": true,
                "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.identifier",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.identifier",
                "short": "Business identifier for this medication",
                "definition": "Business identifier for this medication.",
                "comment": "The serial number could be included as an identifier.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Medication.identifier",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Identifier"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "v2",
                        "map": "CX / EI (occasionally, more often EI maps to a resource id or a URL)"
                    },
                    {
                        "identity": "rim",
                        "map": "II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]"
                    },
                    {
                        "identity": "servd",
                        "map": "Identifier"
                    },
                    {
                        "identity": "w5",
                        "map": "FiveWs.identifier"
                    },
                    {
                        "identity": "rim",
                        "map": ".id"
                    }
                ]
            },
            {
                "id": "Medication.code",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.code",
                "short": "Codes that identify this medication",
                "definition": "A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems.",
                "comment": "Depending on the context of use, the code that was actually selected by the user (prescriber, dispenser, etc.) will have the coding.userSelected set to true.  As described in the coding datatype: \"A coding may be marked as a \"userSelected\" if a user selected the particular coded value in a user interface (e.g. the user selects an item in a pick-list). If a user selected coding exists, it is the preferred choice for performing translations etc. Other codes can only be literal translations to alternative code systems, or codes at a lower level of granularity (e.g. a generic code for a vendor-specific primary one).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Medication.code",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mustSupport": true,
                "isSummary": true,
                "binding": {
                    "extension":  [
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
                            "valueString": "MedicationFormalRepresentation"
                        }
                    ],
                    "strength": "preferred",
                    "description": "A coded concept that defines the type of a medication.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationCode"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "v2",
                        "map": "CE/CNE/CWE"
                    },
                    {
                        "identity": "rim",
                        "map": "CD"
                    },
                    {
                        "identity": "orim",
                        "map": "fhir:CodeableConcept rdfs:subClassOf dt:CD"
                    },
                    {
                        "identity": "script10.6",
                        "map": "coding.code = //element(*,MedicationType)/DrugCoded/ProductCode\n\ncoding.system = //element(*,MedicationType)/DrugCoded/ProductCodeQualifier\n\ncoding.display = //element(*,MedicationType)/DrugDescription"
                    },
                    {
                        "identity": "w5",
                        "map": "FiveWs.class"
                    },
                    {
                        "identity": "v2",
                        "map": "RXO-1.1-Requested Give Code.code / RXE-2.1-Give Code.code / RXD-2.1-Dispense/Give Code.code / RXG-4.1-Give Code.code /RXA-5.1-Administered Code.code / RXC-2.1 Component Code"
                    },
                    {
                        "identity": "rim",
                        "map": ".code"
                    }
                ]
            },
            {
                "id": "Medication.status",
                "path": "Medication.status",
                "short": "active | inactive | entered-in-error",
                "definition": "A code to indicate if the medication is in active use.",
                "comment": "This status is intended to identify if the medication in a local system is in active use within a drug database or inventory.  For example, a pharmacy system may create a new drug file record for a compounded product \"ABC Hospital Special Cream\" with an active status.  At some point in the future, it may be determined that the drug record was created with an error and the status is changed to \"entered in error\".   This status is not intended to specify if a medication is part of a particular formulary.  It is possible that the drug record may be referenced by multiple formularies or catalogues and each of those entries would have a separate status.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.status",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "code"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isModifier": true,
                "isModifierReason": "This element changes the interpretation of all descriptive attributes.",
                "isSummary": true,
                "binding": {
                    "extension":  [
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
                            "valueString": "MedicationStatus"
                        }
                    ],
                    "strength": "required",
                    "description": "A coded concept defining if the medication is in active use.",
                    "valueSet": "http://hl7.org/fhir/ValueSet/medication-status|4.0.1"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": ".statusCode"
                    }
                ]
            },
            {
                "id": "Medication.manufacturer",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.manufacturer",
                "short": "Manufacturer of the item",
                "definition": "Describes the details of the manufacturer of the medication product.  This is not intended to represent the distributor of a medication product.",
                "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.manufacturer",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Reference",
                        "targetProfile":  [
                            "http://hl7.org/fhir/StructureDefinition/Organization"
                        ]
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ref-1",
                        "severity": "error",
                        "human": "SHALL have a contained resource if a local reference is provided",
                        "expression": "reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))",
                        "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Reference"
                    }
                ],
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
                    },
                    {
                        "identity": "script10.6",
                        "map": "no mapping"
                    },
                    {
                        "identity": "w5",
                        "map": "FiveWs.actor"
                    },
                    {
                        "identity": "v2",
                        "map": "RXD-20-Substance Manufacturer Name / RXG-21-Substance Manufacturer Name / RXA-17-Substance Manufacturer Name"
                    },
                    {
                        "identity": "rim",
                        "map": ".player.scopingRole[typeCode=MANU].scoper"
                    }
                ]
            },
            {
                "id": "Medication.form",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.form",
                "short": "powder | tablets | capsule +",
                "definition": "Describes the form of the item.  Powder; tablets; capsule.",
                "comment": "When Medication is referenced from MedicationRequest, this is the ordered form.  When Medication is referenced within MedicationDispense, this is the dispensed form.  When Medication is referenced within MedicationAdministration, this is administered form.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.form",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "binding": {
                    "extension":  [
                        {
                            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
                            "valueString": "MedicationForm"
                        }
                    ],
                    "strength": "preferred",
                    "description": "A coded concept defining the form of a medication.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationForm"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "v2",
                        "map": "CE/CNE/CWE"
                    },
                    {
                        "identity": "rim",
                        "map": "CD"
                    },
                    {
                        "identity": "orim",
                        "map": "fhir:CodeableConcept rdfs:subClassOf dt:CD"
                    },
                    {
                        "identity": "script10.6",
                        "map": "coding.code =  //element(*,DrugCodedType)/FormCode\n\ncoding.system = //element(*,DrugCodedType)/FormSourceCode"
                    },
                    {
                        "identity": "v2",
                        "map": "RXO-5-Requested Dosage Form / RXE-6-Give Dosage Form / RXD-6-Actual Dosage Form / RXG-8-Give Dosage Form / RXA-8-Administered Dosage Form"
                    },
                    {
                        "identity": "rim",
                        "map": ".formCode"
                    }
                ]
            },
            {
                "id": "Medication.amount",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.amount",
                "short": "Amount of drug in package",
                "definition": "Specific amount of the drug in the packaged product.  For example, when specifying a product that has the same strength (For example, Insulin glargine 100 unit per mL solution for injection), this attribute provides additional clarification of the package amount (For example, 3 mL, 10mL, etc.).",
                "comment": "The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit.  Where the denominator value is known to be fixed to \"1\", Quantity should be used instead of Ratio.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.amount",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Ratio"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "rat-1",
                        "severity": "error",
                        "human": "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
                        "expression": "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
                        "xpath": "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))",
                        "source": "http://hl7.org/fhir/StructureDefinition/Ratio"
                    }
                ],
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "v2",
                        "map": "N/A"
                    },
                    {
                        "identity": "rim",
                        "map": "RTO"
                    },
                    {
                        "identity": "rim",
                        "map": ".quantity"
                    }
                ]
            },
            {
                "id": "Medication.ingredient",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.ingredient",
                "short": "Active or inactive ingredient",
                "definition": "Identifies a particular constituent of interest in the product.",
                "comment": "The ingredients need not be a complete list.  If an ingredient is not specified, this does not indicate whether an ingredient is present or absent.  If an ingredient is specified it does not mean that all ingredients are specified.  It is possible to specify both inactive and active ingredients.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Medication.ingredient",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "BackboneElement"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": ".scopesRole[typeCode=INGR]"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.id",
                "path": "Medication.ingredient.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.ingredient.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.modifierExtension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.ingredient.modifierExtension",
                "short": "Extensions that cannot be ignored even if unrecognized",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
                "alias":  [
                    "extensions",
                    "user content",
                    "modifiers"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "BackboneElement.modifierExtension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": true,
                "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.item[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.ingredient.item[x]",
                "short": "The actual ingredient or content",
                "definition": "The actual ingredient - either a substance (simple ingredient) or another medication of a medication.",
                "requirements": "The ingredient may reference a substance (for example, amoxicillin) or another medication (for example in the case of a compounded product, Glaxal Base).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Medication.ingredient.item[x]",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    },
                    {
                        "code": "Reference",
                        "targetProfile":  [
                            "http://hl7.org/fhir/StructureDefinition/Substance",
                            "http://hl7.org/fhir/StructureDefinition/Medication"
                        ]
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "script10.6",
                        "map": "coding.code = //element(*,MedicationType)/DrugCoded/ProductCode\n\ncoding.system = //element(*,MedicationType)/DrugCoded/ProductCodeQualifier\n\ncoding.display = //element(*,MedicationType)/DrugDescription"
                    },
                    {
                        "identity": "v2",
                        "map": "RXC-2-Component Code  if medication: RXO-1-Requested Give Code / RXE-2-Give Code / RXD-2-Dispense/Give Code / RXG-4-Give Code / RXA-5-Administered Code"
                    },
                    {
                        "identity": "rim",
                        "map": ".player"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.isActive",
                "path": "Medication.ingredient.isActive",
                "short": "Active ingredient indicator",
                "definition": "Indication of whether this ingredient affects the therapeutic action of the drug.",
                "requirements": "True indicates that the ingredient affects the therapeutic action of the drug (i.e. active). \nFalse indicates that the ingredient does not affect the therapeutic action of the drug (i.e. inactive).",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.ingredient.isActive",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "boolean"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "NA"
                    }
                ]
            },
            {
                "id": "Medication.ingredient.strength",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.ingredient.strength",
                "short": "Quantity of ingredient present",
                "definition": "Specifies how many (or how much) of the items there are in this Medication.  For example, 250 mg per tablet.  This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet.",
                "comment": "The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit.  Where the denominator value is known to be fixed to \"1\", Quantity should be used instead of Ratio.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.ingredient.strength",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Ratio"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "rat-1",
                        "severity": "error",
                        "human": "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
                        "expression": "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
                        "xpath": "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))",
                        "source": "http://hl7.org/fhir/StructureDefinition/Ratio"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "v2",
                        "map": "N/A"
                    },
                    {
                        "identity": "rim",
                        "map": "RTO"
                    },
                    {
                        "identity": "script10.6",
                        "map": "//element(*,DrugCodedType)/Strength"
                    },
                    {
                        "identity": "v2",
                        "map": "RXC-3-Component Amount & RXC-4-Component Units  if medication: RXO-2-Requested Give Amount - Minimum & RXO-4-Requested Give Units / RXO-3-Requested Give Amount - Maximum & RXO-4-Requested Give Units / RXO-11-Requested Dispense Amount & RXO-12-Requested Dispense Units / RXE-3-Give Amount - Minimum & RXE-5-Give Units / RXE-4-Give Amount - Maximum & RXE-5-Give Units / RXE-10-Dispense Amount & RXE-10-Dispense Units"
                    },
                    {
                        "identity": "rim",
                        "map": ".quantity"
                    }
                ]
            },
            {
                "id": "Medication.batch",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.batch",
                "short": "Details about packaged medications",
                "definition": "Information that only applies to packages (not products).",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.batch",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "BackboneElement"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "script10.6",
                        "map": "no mapping"
                    },
                    {
                        "identity": "rim",
                        "map": ".player[classCode=CONT]"
                    }
                ]
            },
            {
                "id": "Medication.batch.id",
                "path": "Medication.batch.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Medication.batch.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.batch.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.batch.modifierExtension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Medication.batch.modifierExtension",
                "short": "Extensions that cannot be ignored even if unrecognized",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
                "alias":  [
                    "extensions",
                    "user content",
                    "modifiers"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "BackboneElement.modifierExtension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": true,
                "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
                "isSummary": true,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Medication.batch.lotNumber",
                "path": "Medication.batch.lotNumber",
                "short": "Identifier assigned to batch",
                "definition": "The assigned lot number of a batch of the specified product.",
                "comment": "Note that FHIR strings SHALL NOT exceed 1MB in size",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.batch.lotNumber",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "string"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "script10.6",
                        "map": "no mapping"
                    },
                    {
                        "identity": "v2",
                        "map": "RXA-15 Substance Lot Number / RXG-19 Substance Lot Number"
                    },
                    {
                        "identity": "rim",
                        "map": ".id"
                    }
                ]
            },
            {
                "id": "Medication.batch.expirationDate",
                "path": "Medication.batch.expirationDate",
                "short": "When batch will expire",
                "definition": "When this specific batch of product will expire.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Medication.batch.expirationDate",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "dateTime"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "script10.6",
                        "map": "no mapping"
                    },
                    {
                        "identity": "v2",
                        "map": "RXA-16 Substance Expiration Date / RXG-20 Substance Expiration Date"
                    },
                    {
                        "identity": "rim",
                        "map": "participation[typeCode=CSM].role[classCode=INST].scopedRole.scoper[classCode=MMAT].expirationTime"
                    }
                ]
            }
        ]
    },
    "differential": {
        "element":  [
            {
                "id": "Medication.extension:MedicationTradeFamily",
                "path": "Medication.extension",
                "sliceName": "MedicationTradeFamily",
                "short": "A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM)",
                "definition": "A Trade Family or brand associated with a Medication, in particular a Virtual Therapeutic Moiety (VTM).",
                "type":  [
                    {
                        "code": "Extension",
                        "profile":  [
                            "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationTradeFamily"
                        ]
                    }
                ]
            },
            {
                "id": "Medication.code",
                "path": "Medication.code",
                "min": 1,
                "mustSupport": true,
                "binding": {
                    "strength": "preferred",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationCode"
                }
            },
            {
                "id": "Medication.form",
                "path": "Medication.form",
                "binding": {
                    "strength": "preferred",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-MedicationForm"
                }
            }
        ]
    }
}

Examples

Timoptol Eye Drops - An example to illustrate a representation of eye drops.
Example UKCore-Medication-TimoptolEyeDrops

Timolol - An example to illustrate the form element with a VTM.
Example UKCore-Medication-TimololVTM

COVID Vaccine - An example to illustrate the batch element.
Example UKCore-Medication-COVID-Vaccine

Extension - Medication Trade Family - An example to illustrate the Medication Trade Family.
Example UKCore-Medication-Extension-MedicationTradeFamily

Example Usage Scenarios

The UK Core Medication profile will likely not be used in isolation. It does not provide the context for the medication, e.g. the patient or medication related process. It will be typically used as a referenced resource within


Profile Specific Implementation Guidance:

Mandatory and Must Support Data Elements

The following elements are identified as MustSupport, and it is expected that consumers and suppliers SHALL support these as per the MustSupport Guidance.

Element Reason
Medication.code Codes that identify this medication.

Extensions

More information about the extensions can be found using the links below.

Extension Context Link Comment
medicationTradeFamily Medication Extension UKCore-MedicationTradeFamily Used to identify a Trade Family or brand associated with a Medication, specifically when the medication is defined using a dm+d Virtual Therapeutic Moiety (VTM) concept.

Bindings (differential)

More information about the bindings to UK Core ValueSets can be found below.

Context Strength Link
Medication.extension:MedicationTradeFamily Preferred ValueSet UKCore-MedicationTradeFamily
Medication.code Preferred ValueSet UKCore-MedicationCode
Medication.form Preferred ValueSet UKCore-MedicationForm

code

All medication SHOULD be represented using the NHS dm+d terminology.

  • The Medication.code.coding.system SHOULD be https://dmd.nhs.uk.
  • The Medication.code.coding.code SHOULD be the NHS dm+d concept code.
  • The Medication.code.coding.display SHOULD be the NHS dm+d concept description.

manufacturer

Name of the manufacturer by reference to the organisation.

The resource being referenced SHOULD conform to Profile UKCore-Organization.


form

Within the dm+d terminology, the Virtual Medicinal Product (VMP), Actual Medicinal Product (AMP), Virtual Medicinal Product Pack (VMPP) and Actual Medicinal Product Pack (AMPP) concepts include a coded form.

This element SHOULD be used where a medication is identified using a dm+d Virtual Therapeutic Moiety (VTM) concept and the prescriber wishes to qualify the VTM with a coded form.


ingredient

The actual ingredient or content by reference. The resource being referenced SHOULD conform to one of the following:


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