• dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources
  contained.contained.empty()
• dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
  contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
• dom-3: 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
  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()
• dom-6: A resource should have narrative for robust management
  text.`div`.exists()
• dom-5: If a resource is contained in another resource, it SHALL NOT have a security label
  contained.meta.security.empty()

• rim: Entity. Role, or Act
• rim: .Role[classCode=SDLC]

The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: N/A

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a

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).

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: N/A
• rim: Act.text?

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.

• rim: Entity. Role, or Act
• rim: N/A

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

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.

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

Organization label locations in registries, need to keep track of those.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CX / EI (occasionally, more often EI maps to a resource id or a URL)
• rim: 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]
• servd: Identifier
• w5: FiveWs.identifier
• rim: .id

Organization label locations in registries, need to keep track of those.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CX / EI (occasionally, more often EI maps to a resource id or a URL)
• rim: 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]
• servd: Identifier
• w5: FiveWs.identifier
• rim: .id

• rim: n/a

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers.

Applications can assume that an identifier is permanent unless it explicitly says that it is temporary.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: N/A
• rim: Role.code or implied by context

Allows users to make use of identifiers when the identifier system is not known.

This element deals only with general categories of identifiers. It SHOULD not be used for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into multiple categories due to common usage. Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CE/CNE/CWE
• rim: CD
• orim: fhir:CodeableConcept rdfs:subClassOf dt:CD
• v2: CX.5
• rim: Role.code or implied by context

There are many sets of identifiers. To perform matching of two identifiers, we need to know what set we're dealing with. The system identifies a particular set of unique identifiers.

Identifier.system is always case sensitive.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

https://fhir.nhs.uk/Id/ods-site-code

• rim: n/a
• v2: CX.4 / EI-2-4
• rim: II.root or Role.id.root
• servd: ./IdentifierType

If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986. The value's primary purpose is computational mapping. As a result, it may be normalized for comparison purposes (e.g. removing non-significant whitespace, dashes, etc.) A value formatted for human display can be conveyed using the Rendered Value extension. Identifier.value is to be treated as case sensitive unless knowledge of the Identifier.system allows the processer to be confident that non-case-sensitive processing is safe.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CX.1 / EI.1
• rim: II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)
• servd: ./Value

A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. "the patient was an inpatient of the hospital for this time range") or one value from the range applies (e.g. "give to the patient between these two times").

Period is not used for a duration (a measure of elapsed time). See Duration.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• per-1: If present, start SHALL have a lower value than end
  start.hasValue().not() or end.hasValue().not() or (start <= end)

• rim: n/a
• v2: DR
• rim: IVL<TS>[lowClosed="true" and highClosed="true"] or URG<TS>[lowClosed="true" and highClosed="true"]
• v2: CX.7 + CX.8
• rim: Role.effectiveTime or implied by context
• servd: ./StartDate and ./EndDate

The Identifier.assigner may omit the .reference element and only contain a .display element reflecting the name or other textual information about the assigning organization.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ref-1: SHALL have a contained resource if a local reference is provided
  reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))

• rim: n/a
• rim: The target of a resource reference is a RIM entry point (Act, Role, or Entity)
• v2: CX.4 / (CX.4,CX.9,CX.10)
• rim: II.assigningAuthorityName but note that this is an improper use by the definition of the field. Also Role.scoper
• servd: ./IdentifierIssuingAuthority

Note that FHIR strings SHALL NOT exceed 1MB in size

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• w5: FiveWs.status
• rim: .statusCode

Codes may be defined very casually in enumerations or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CE/CNE/CWE subset one of the sets of component 1-3 or 4-6
• rim: CV
• orim: fhir:Coding rdfs:subClassOf dt:CDCoding
• w5: FiveWs.status

If the name of a location changes, consider putting the old name in the alias column so that it can still be located through searches.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .name

Over time locations and organizations go through many changes and can be known by different names.

For searching knowing previous names that the location was known by can be very useful.

There are no dates associated with the alias/historic names, as this is not intended to track when names were used, but to assist in searching so that older names can still result in identifying the location.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .name

Humans need additional information to verify a correct location has been identified.

Note that FHIR strings SHALL NOT exceed 1MB in size

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .playingEntity[classCode=PLC determinerCode=INSTANCE].desc

When using a Location resource for scheduling or orders, we need to be able to refer to a class of Locations instead of a specific Location.

This is labeled as a modifier because whether or not the location is a class of locations changes how it can be used and understood.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• w5: FiveWs.class
• rim: .playingEntity[classCode=PLC].determinerCode

Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CE/CNE/CWE
• rim: CD
• orim: fhir:CodeableConcept rdfs:subClassOf dt:CD
• w5: FiveWs.class
• rim: .code

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• cpt-2: A system is required if a value is provided.
  value.empty() or system.exists()

• rim: n/a
• v2: XTN
• rim: TEL
• servd: ContactPoint
• rim: .telecom

If locations can be visited, we need to keep track of their address.

Additional addresses should be recorded using another instance of the Location resource, or via the Organization.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: XAD
• rim: AD
• servd: Address
• rim: .addr

For purposes of showing relevant locations in queries, we need to categorize locations.

Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• v2: CE/CNE/CWE
• rim: CD
• orim: fhir:CodeableConcept rdfs:subClassOf dt:CD
• w5: FiveWs.class
• rim: .playingEntity [classCode=PLC].code

For mobile applications and automated route-finding knowing the exact location of the Location is required.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .playingEntity [classCode=PLC determinerCode=INSTANCE].positionText

• rim: n/a

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

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.

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

Do not use an IEEE type floating point type, instead use something that works like a true decimal, with inbuilt precision (e.g. Java BigInteger)

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: (RIM Opted not to map the sub-elements of GPS location, is now an OBS)

Do not use an IEEE type floating point type, instead use something that works like a true decimal, with inbuilt precision (e.g. Java BigInteger)

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: (RIM Opted not to map the sub-elements of GPS location, is now an OBS)

Do not use an IEEE type floating point type, instead use something that works like a true decimal, with inbuilt precision (e.g. Java BigInteger)

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: (RIM Opted not to map the sub-elements of GPS location, is now an OBS)

Need to know who manages the location.

This can also be used as the part of the organization hierarchy where this location provides services. These services can be defined through the HealthcareService resource.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ref-1: SHALL have a contained resource if a local reference is provided
  reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))

• rim: n/a
• rim: The target of a resource reference is a RIM entry point (Act, Role, or Entity)
• rim: .scopingEntity[classCode=ORG determinerKind=INSTANCE]

For purposes of location, display and identification, knowing which locations are located within other locations is important.

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ref-1: SHALL have a contained resource if a local reference is provided
  reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))

• rim: n/a
• rim: The target of a resource reference is a RIM entry point (Act, Role, or Entity)
• rim: .inboundLink[typeCode=PART].source[classCode=SDLC]

This type of information is commonly found published in directories and on websites informing customers when the facility is available.

Specific services within the location may have their own hours which could be shorter (or longer) than the locations hours.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .effectiveTime

• rim: n/a

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

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.

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ext-1: Must have either extensions or value[x], not both
  extension.exists() != value.exists()

• rim: n/a
• rim: N/A

Note that FHIR strings SHALL NOT exceed 1MB in size

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .effectiveTime

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .effectiveTime

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .effectiveTime

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a
• rim: .effectiveTime

Note that FHIR strings SHALL NOT exceed 1MB in size

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())

• rim: n/a

Organizations may have different systems at different locations that provide various services and need to be able to define the technical connection details for how to connect to them, and for what purpose.

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.

• ele-1: All FHIR elements must have a @value or children
  hasValue() or (children().count() > id.count())
• ref-1: SHALL have a contained resource if a local reference is provided
  reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))

• rim: n/a
• rim: The target of a resource reference is a RIM entry point (Act, Role, or Entity)