AllergyIntolerance
Defines the ID Core constraints and extensions on the AllergyIntolerance resource for the minimal set of data to query and retrieve allergy information.
Usage
This profile allows a record of a clinical assessment of an allergy or intolerance; a propensity, or a potential risk to an individual, to have an adverse reaction on future exposure to the specified substance, or class of substance.
Where a propensity is identified, to record information or evidence about a reaction event that is characterised by any harmful or undesirable physiological response that is specific to the individual and triggered by exposure of an individual to the identified substance or class of substance.
Substances include but are not limited to a therapeutic substance administered correctly at an appropriate dosage for the individual; food; material derived from plants or animals; or venom from insect stings.
This resource is used to record physical conditions. It MUST not be used to record preferences for or against types of treatment, for example on religious grounds. For such use cases consider the use of the FHIR Consent resource.
URL
Type | URL |
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Canonical | https://fhir.kemkes.go.id/r4/StructureDefinition/AllergyIntolerance |
Structure
Snapshot
AllergyIntolerance | I | DomainResource | |
id | Σ | 0..1 | string |
meta | Σ | 0..1 | Meta |
implicitRules | Σ ?! | 0..1 | uri |
language | 0..1 | codeBinding | |
text | 0..1 | Narrative | |
contained | 0..* | Resource | |
extension | I | 0..* | Extension |
modifierExtension | ?! I | 0..* | Extension |
identifier | Σ | 0..* | Identifier |
clinicalStatus | Σ ?! I | 0..1 | CodeableConceptBinding |
verificationStatus | Σ ?! I | 0..1 | CodeableConceptBinding |
type | Σ | 0..1 | codeBinding |
category | Σ | 1..* | codeBinding |
criticality | Σ | 0..1 | codeBinding |
code | Σ | 1..1 | CodeableConcept |
patient | Σ I | 1..1 | Reference(Patient) |
encounter | I | 0..1 | Reference(Encounter) |
onset[x] | 0..1 | ||
onsetDateTime | dateTime | ||
onsetAge | Age | ||
onsetPeriod | Period | ||
onsetRange | Range | ||
onsetString | string | ||
recordedDate | 0..1 | dateTime | |
recorder | I | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) |
asserter | Σ I | 0..1 | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) |
lastOccurrence | 0..1 | dateTime | |
note | 0..* | Annotation | |
reaction | 0..* | BackboneElement | |
id | 0..1 | string | |
extension | I | 0..* | Extension |
modifierExtension | Σ ?! I | 0..* | Extension |
substance | 0..1 | CodeableConcept | |
manifestation | 1..* | CodeableConcept | |
description | 0..1 | string | |
onset | 0..1 | dateTime | |
severity | 0..1 | codeBinding | |
exposureRoute | 0..1 | CodeableConcept | |
note | 0..* | Annotation |
Dictionary
AllergyIntolerance | |
Definition | Risk of harmful or undesirable, physiological response which is unique to an individual and associated with exposure to a substance. |
Cardinality | 0...* |
Alias | Allergy, Intolerance, Adverse Reaction |
Comments | Substances include, but are not limited to: a therapeutic substance administered correctly at an appropriate dosage for the individual; food; material derived from plants or animals; or venom from insect stings. |
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AllergyIntolerance.id | |
Definition | The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes. |
Cardinality | 0...1 |
Type | string |
Summary | True |
Comments | The only time that a resource does not have an id is when it is being submitted to the server using a create operation. |
AllergyIntolerance.meta | |
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. |
Cardinality | 0...1 |
Type | Meta |
Summary | True |
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AllergyIntolerance.implicitRules | |
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. |
Cardinality | 0...1 |
Type | uri |
Modifier | True |
Summary | True |
Comments | 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. |
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AllergyIntolerance.language | |
Definition | The base language in which the resource is written. |
Cardinality | 0...1 |
Type | code |
Binding | A human language. |
Comments | 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). |
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AllergyIntolerance.text | |
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. |
Cardinality | 0...1 |
Type | Narrative |
Alias | narrative, html, xhtml, display |
Comments | 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. |
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AllergyIntolerance.contained | |
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. |
Cardinality | 0...* |
Type | Resource |
Alias | inline resources, anonymous resources, contained resources |
Comments | 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. |
Mappings |
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AllergyIntolerance.extension | |
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. |
Cardinality | 0...* |
Type | Extension |
Alias | extensions, user content |
Comments | 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. |
Slicing | Unordered, Open, by url(Value) |
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AllergyIntolerance.modifierExtension | |
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. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). |
Cardinality | 0...* |
Type | Extension |
Modifier | True |
Alias | extensions, user content |
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. |
Comments | 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. |
Slicing | Unordered, Open, by url(Value) |
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AllergyIntolerance.identifier | |
Definition | Business identifiers assigned to this AllergyIntolerance by the performer or other systems which remain constant as the resource is updated and propagates from server to server. |
Cardinality | 0...* |
Type | Identifier |
Summary | True |
Requirements | Allows identification of the AllergyIntolerance as it is known by various participating systems and in a way that remains consistent across servers. |
Comments | This is a business identifier, not a resource identifier (see discussion). It is best practice for the identifier to only appear on a single resource instance, however business practices may occasionally dictate that multiple resource instances with the same identifier can exist - possibly even with different resource types. For example, multiple Patient and a Person resource instance might share the same social insurance number. |
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AllergyIntolerance.clinicalStatus | |
Definition | The clinical status of the allergy or intolerance. |
Cardinality | 0...1 |
Type | CodeableConcept |
Binding | The clinical status of the allergy or intolerance. |
Modifier | True |
Summary | True |
Comments | Refer to discussion if clincalStatus is missing data. The data type is CodeableConcept because clinicalStatus has some clinical judgment involved, such that there might need to be more specificity than the required FHIR value set allows. For example, a SNOMED coding might allow for additional specificity. |
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AllergyIntolerance.verificationStatus | |
Definition | Assertion about certainty associated with the propensity, or potential risk, of a reaction to the identified substance (including pharmaceutical product). |
Cardinality | 0...1 |
Type | CodeableConcept |
Binding | Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance. |
Modifier | True |
Summary | True |
Comments | The data type is CodeableConcept because verificationStatus has some clinical judgment involved, such that there might need to be more specificity than the required FHIR value set allows. For example, a SNOMED coding might allow for additional specificity. |
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AllergyIntolerance.type | |
Definition | Identification of the underlying physiological mechanism for the reaction risk. |
Cardinality | 0...1 |
Type | code |
Binding | Identification of the underlying physiological mechanism for a Reaction Risk. |
Summary | True |
Alias | Category, Class |
Comments | Allergic (typically immune-mediated) reactions have been traditionally regarded as an indicator for potential escalation to significant future risk. Contemporary knowledge suggests that some reactions previously thought to be immune-mediated are, in fact, non-immune, but in some cases can still pose a life threatening risk. It is acknowledged that many clinicians might not be in a position to distinguish the mechanism of a particular reaction. Often the term "allergy" is used rather generically and may overlap with the use of "intolerance" - in practice the boundaries between these two concepts might not be well-defined or understood. This data element is included nevertheless, because many legacy systems have captured this attribute. Immunologic testing may provide supporting evidence for the basis of the reaction and the causative substance, but no tests are 100% sensitive or specific for sensitivity to a particular substance. If, as is commonly the case, it is unclear whether the reaction is due to an allergy or an intolerance, then the type element should be omitted from the resource. |
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AllergyIntolerance.category | |
Definition | Category of the identified substance. |
Cardinality | 1...* |
Type | code |
Binding | Category of an identified substance associated with allergies or intolerances. |
Summary | True |
Alias | Category, Type, Reaction Type, Class |
Comments | This data element has been included because it is currently being captured in some clinical systems. This data can be derived from the substance where coding systems are used, and is effectively redundant in that situation. When searching on category, consider the implications of AllergyIntolerance resources without a category. For example, when searching on category = medication, medication allergies that don't have a category valued will not be returned. Refer to search for more information on how to search category with a :missing modifier to get allergies that don't have a category. Additionally, category should be used with caution because category can be subjective based on the sender. |
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AllergyIntolerance.criticality | |
Definition | Estimate of the potential clinical harm, or seriousness, of the reaction to the identified substance. |
Cardinality | 0...1 |
Type | code |
Binding | Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance. |
Summary | True |
Alias | Severity, Seriousness, Contra-indication, Risk |
Comments | The default criticality value for any propensity to an adverse reaction should be 'Low Risk', indicating at the very least a relative contraindication to deliberate or voluntary exposure to the substance. 'High Risk' is flagged if the clinician has identified a propensity for a more serious or potentially life-threatening reaction, such as anaphylaxis, and implies an absolute contraindication to deliberate or voluntary exposure to the substance. If this element is missing, the criticality is unknown (though it may be known elsewhere). Systems that capture a severity at the condition level are actually representing the concept of criticality whereas the severity documented at the reaction level is representing the true reaction severity. Existing systems that are capturing both condition criticality and reaction severity may use the term "severity" to represent both. Criticality is the worst it could be in the future (i.e. situation-agnostic) whereas severity is situation-dependent. |
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AllergyIntolerance.code | |
Definition | Code for an allergy or intolerance statement (either a positive or a negated/excluded statement). This may be a code for a substance or pharmaceutical product that is considered to be responsible for the adverse reaction risk (e.g., "Latex"), an allergy or intolerance condition (e.g., "Latex allergy"), or a negated/excluded code for a specific substance or class (e.g., "No latex allergy") or a general or categorical negated statement (e.g., "No known allergy", "No known drug allergies"). Note: the substance for a specific reaction may be different from the substance identified as the cause of the risk, but it must be consistent with it. For instance, it may be a more specific substance (e.g. a brand medication) or a composite product that includes the identified substance. It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'. If a receiving system is unable to confirm that AllergyIntolerance.reaction.substance falls within the semantic scope of AllergyIntolerance.code, then the receiving system should ignore AllergyIntolerance.reaction.substance. |
Cardinality | 1...1 |
Type | CodeableConcept |
Binding | Type of the substance/product, allergy or intolerance condition, or negation/exclusion codes for reporting no known allergies. |
Summary | True |
Alias | Code |
Comments | It is strongly recommended that this element be populated using a terminology, where possible. For example, some terminologies used include RxNorm, SNOMED CT, DM+D, NDFRT, ICD-9, IDC-10, UNII, and ATC. Plain text should only be used if there is no appropriate terminology available. Additional details can be specified in the text. When a substance or product code is specified for the 'code' element, the "default" semantic context is that this is a positive statement of an allergy or intolerance (depending on the value of the 'type' element, if present) condition to the specified substance/product. In the corresponding SNOMED CT allergy model, the specified substance/product is the target (destination) of the "Causative agent" relationship. The 'substanceExposureRisk' extension is available as a structured and more flexible alternative to the 'code' element for making positive or negative allergy or intolerance statements. This extension provides the capability to make "no known allergy" (or "no risk of adverse reaction") statements regarding any coded substance/product (including cases when a pre-coordinated "no allergy to x" concept for that substance/product does not exist). If the 'substanceExposureRisk' extension is present, the AllergyIntolerance.code element SHALL be omitted. |
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AllergyIntolerance.patient | |
Definition | The patient who has the allergy or intolerance. |
Cardinality | 1...1 |
Type | Reference(Patient) |
Summary | True |
Alias | Patient |
Comments | 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. |
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AllergyIntolerance.encounter | |
Definition | The encounter when the allergy or intolerance was asserted. |
Cardinality | 0...1 |
Type | Reference(Encounter) |
Comments | 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. |
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AllergyIntolerance.onset[x] | |
Definition | Estimated or actual date, date-time, or age when allergy or intolerance was identified. |
Cardinality | 0...1 |
Type | dateTime |
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AllergyIntolerance.recordedDate | |
Definition | The recordedDate represents when this particular AllergyIntolerance record was created in the system, which is often a system-generated date. |
Cardinality | 0...1 |
Type | dateTime |
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AllergyIntolerance.recorder | |
Definition | Individual who recorded the record and takes responsibility for its content. |
Cardinality | 0...1 |
Type | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) |
Alias | Author |
Comments | 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. |
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AllergyIntolerance.asserter | |
Definition | The source of the information about the allergy that is recorded. |
Cardinality | 0...1 |
Type | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) |
Summary | True |
Alias | Source, Informant |
Comments | The recorder takes responsibility for the content, but can reference the source from where they got it. |
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AllergyIntolerance.lastOccurrence | |
Definition | Represents the date and/or time of the last known occurrence of a reaction event. |
Cardinality | 0...1 |
Type | dateTime |
Comments | This date may be replicated by one of the Onset of Reaction dates. Where a textual representation of the date of last occurrence is required e.g. 'In Childhood, '10 years ago' the Comment element should be used. |
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AllergyIntolerance.note | |
Definition | Additional narrative about the propensity for the Adverse Reaction, not captured in other fields. |
Cardinality | 0...* |
Type | Annotation |
Comments | For example: including reason for flagging a seriousness of 'High Risk'; and instructions related to future exposure or administration of the substance, such as administration within an Intensive Care Unit or under corticosteroid cover. The notes should be related to an allergy or intolerance as a condition in general and not related to any particular episode of it. For episode notes and descriptions, use AllergyIntolerance.event.description and AllergyIntolerance.event.notes. |
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AllergyIntolerance.reaction | |
Definition | Details about each adverse reaction event linked to exposure to the identified substance. |
Cardinality | 0...* |
Type | BackboneElement |
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AllergyIntolerance.reaction.id | |
Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
Cardinality | 0...1 |
Type | string |
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AllergyIntolerance.reaction.extension | |
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. |
Cardinality | 0...* |
Type | Extension |
Alias | extensions, user content |
Comments | 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. |
Slicing | Unordered, Open, by url(Value) |
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AllergyIntolerance.reaction.modifierExtension | |
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. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). |
Cardinality | 0...* |
Type | Extension |
Modifier | True |
Summary | True |
Alias | extensions, user content, modifiers |
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. |
Comments | 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. |
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AllergyIntolerance.reaction.substance | |
Definition | Identification of the specific substance (or pharmaceutical product) considered to be responsible for the Adverse Reaction event. Note: the substance for a specific reaction may be different from the substance identified as the cause of the risk, but it must be consistent with it. For instance, it may be a more specific substance (e.g. a brand medication) or a composite product that includes the identified substance. It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'. If a receiving system is unable to confirm that AllergyIntolerance.reaction.substance falls within the semantic scope of AllergyIntolerance.code, then the receiving system should ignore AllergyIntolerance.reaction.substance. |
Cardinality | 0...1 |
Type | CodeableConcept |
Binding | Codes defining the type of the substance (including pharmaceutical products). |
Comments | Coding of the specific substance (or pharmaceutical product) with a terminology capable of triggering decision support should be used wherever possible. The 'code' element allows for the use of a specific substance or pharmaceutical product, or a group or class of substances. In the case of an allergy or intolerance to a class of substances, (for example, "penicillins"), the 'reaction.substance' element could be used to code the specific substance that was identified as having caused the reaction (for example, "amoxycillin"). Duplication of the value in the 'code' and 'reaction.substance' elements is acceptable when a specific substance has been recorded in 'code'. |
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AllergyIntolerance.reaction.manifestation | |
Definition | Clinical symptoms and/or signs that are observed or associated with the adverse reaction event. |
Cardinality | 1...* |
Type | CodeableConcept |
Binding | Clinical symptoms and/or signs that are observed or associated with an Adverse Reaction Event. |
Alias | Symptoms, Signs |
Comments | Manifestation can be expressed as a single word, phrase or brief description. For example: nausea, rash or no reaction. It is preferable that manifestation should be coded with a terminology, where possible. The values entered here may be used to display on an application screen as part of a list of adverse reactions, as recommended in the UK NHS CUI guidelines. Terminologies commonly used include, but are not limited to, SNOMED CT or ICD10. |
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AllergyIntolerance.reaction.description | |
Definition | Text description about the reaction as a whole, including details of the manifestation if required. |
Cardinality | 0...1 |
Type | string |
Alias | Narrative, Text |
Comments | Use the description to provide any details of a particular event of the occurred reaction such as circumstances, reaction specifics, what happened before/after. Information, related to the event, but not describing a particular care should be captured in the comment field. For example: at the age of four, the patient was given penicillin for strep throat and subsequently developed severe hives. |
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AllergyIntolerance.reaction.onset | |
Definition | Record of the date and/or time of the onset of the Reaction. |
Cardinality | 0...1 |
Type | dateTime |
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AllergyIntolerance.reaction.severity | |
Definition | Clinical assessment of the severity of the reaction event as a whole, potentially considering multiple different manifestations. |
Cardinality | 0...1 |
Type | code |
Binding | Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations. |
Comments | It is acknowledged that this assessment is very subjective. There may be some specific practice domains where objective scales have been applied. Objective scales can be included in this model as extensions. |
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AllergyIntolerance.reaction.exposureRoute | |
Definition | Identification of the route by which the subject was exposed to the substance. |
Cardinality | 0...1 |
Type | CodeableConcept |
Binding | A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject. |
Comments | Coding of the route of exposure with a terminology should be used wherever possible. |
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AllergyIntolerance.reaction.note | |
Definition | Additional text about the adverse reaction event not captured in other fields. |
Cardinality | 0...* |
Type | Annotation |
Comments | Use this field to record information indirectly related to a particular event and not captured in the description. For example: Clinical records are no longer available, recorded based on information provided to the patient by her mother and her mother is deceased. |
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