haau3 FHIR Implementation Guide (HFIG)
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haau3 FHIR Implementation Guide (HFIG) - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: haau3 Medication

Official URL: https://haau3.com/fhir/StructureDefinition/haau3-medication Version: 1.0.0
Draft as of 2026-10-14 Computable Name: Haau3Medication

A medication — the drug that prescriptions, statements and dispenses reference. Delivered exactly as the source system stated it: every vocabulary's coding is preserved, and a readable name is always present in the code's text even where individual codings carry no display.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Medication.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored
Medication.identifier This element must be supported. This element is included in summaries. 1..* Identifier Business identifier for this medication
Medication.code This element must be supported. This element is included in summaries. 1..1 CodeableConcept (USCDI) Codes that identify this medication
Binding: Medication Clinical Drug (extensible)
Medication.status This element is a modifier element. This element is included in summaries. 0..1 code active | inactive | entered-in-error
Binding: Medication Status Codes (required): A coded concept defining if the medication is in active use.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Medication.code Base extensible Medication Clinical Drug 📦20170601 VSAC v0.11
Medication.status Base required Medication status codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Medication If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Medication 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-4 error Medication 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-5 error Medication If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Medication A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

This structure is derived from USCoreMedicationProfile

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.identifier This element must be supported. 1..* Identifier Business identifier for this medication

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.id This element is included in summaries. 0..1 id Logical id of this artifact
Medication.meta This element is included in summaries. 0..1 Meta Metadata about the resource
Medication.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Medication.language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
Medication.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Medication.contained 0..* Resource Contained, inline Resources
Medication.extension 0..* Extension Additional content defined by implementations
Medication.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored
Medication.identifier This element must be supported. This element is included in summaries. 1..* Identifier Business identifier for this medication
Medication.code This element must be supported. This element is included in summaries. 1..1 CodeableConcept (USCDI) Codes that identify this medication
Binding: Medication Clinical Drug (extensible)
Medication.status This element is a modifier element. This element is included in summaries. 0..1 code active | inactive | entered-in-error
Binding: Medication Status Codes (required): A coded concept defining if the medication is in active use.
Medication.manufacturer This element is included in summaries. 0..1 Reference(Organization) Manufacturer of the item
Medication.form 0..1 CodeableConcept powder | tablets | capsule +
Binding: SNOMEDCTFormCodes (example): A coded concept defining the form of a medication.
Medication.amount This element is included in summaries. 0..1 Ratio Amount of drug in package
Medication.ingredient 0..* BackboneElement Active or inactive ingredient
Medication.ingredient.id 0..1 string Unique id for inter-element referencing
Medication.ingredient.extension 0..* Extension Additional content defined by implementations
Medication.ingredient.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Medication.ingredient.item[x] 1..1 The actual ingredient or content
Medication.ingredient.item[x].itemCodeableConcept CodeableConcept
Medication.ingredient.item[x].itemReference Reference(Substance | Medication)
Medication.ingredient.isActive 0..1 boolean Active ingredient indicator
Medication.ingredient.strength 0..1 Ratio Quantity of ingredient present
Medication.batch 0..1 BackboneElement Details about packaged medications
Medication.batch.id 0..1 string Unique id for inter-element referencing
Medication.batch.extension 0..* Extension Additional content defined by implementations
Medication.batch.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Medication.batch.lotNumber 0..1 string Identifier assigned to batch
Medication.batch.expirationDate 0..1 dateTime When batch will expire

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Medication.language Base preferred Common Languages 📦4.0.1 FHIR Std.
Medication.code Base extensible Medication Clinical Drug 📦20170601 VSAC v0.11
Medication.status Base required Medication status codes 📍4.0.1 FHIR Std.
Medication.form Base example SNOMED CT Form Codes 📦4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Medication If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Medication 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-4 error Medication 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-5 error Medication If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Medication A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

This structure is derived from USCoreMedicationProfile

Summary

Mandatory: 1 element
Must-Support: 1 element

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Medication.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored
Medication.identifier This element must be supported. This element is included in summaries. 1..* Identifier Business identifier for this medication
Medication.code This element must be supported. This element is included in summaries. 1..1 CodeableConcept (USCDI) Codes that identify this medication
Binding: Medication Clinical Drug (extensible)
Medication.status This element is a modifier element. This element is included in summaries. 0..1 code active | inactive | entered-in-error
Binding: Medication Status Codes (required): A coded concept defining if the medication is in active use.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Medication.code Base extensible Medication Clinical Drug 📦20170601 VSAC v0.11
Medication.status Base required Medication status codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Medication If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Medication 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-4 error Medication 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-5 error Medication If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Medication A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Differential View

This structure is derived from USCoreMedicationProfile

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.identifier This element must be supported. 1..* Identifier Business identifier for this medication

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Medication 0..* USCoreMedicationProfile(6.1.0) Definition of a Medication
Medication.id This element is included in summaries. 0..1 id Logical id of this artifact
Medication.meta This element is included in summaries. 0..1 Meta Metadata about the resource
Medication.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Medication.language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
Medication.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Medication.contained 0..* Resource Contained, inline Resources
Medication.extension 0..* Extension Additional content defined by implementations
Medication.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored
Medication.identifier This element must be supported. This element is included in summaries. 1..* Identifier Business identifier for this medication
Medication.code This element must be supported. This element is included in summaries. 1..1 CodeableConcept (USCDI) Codes that identify this medication
Binding: Medication Clinical Drug (extensible)
Medication.status This element is a modifier element. This element is included in summaries. 0..1 code active | inactive | entered-in-error
Binding: Medication Status Codes (required): A coded concept defining if the medication is in active use.
Medication.manufacturer This element is included in summaries. 0..1 Reference(Organization) Manufacturer of the item
Medication.form 0..1 CodeableConcept powder | tablets | capsule +
Binding: SNOMEDCTFormCodes (example): A coded concept defining the form of a medication.
Medication.amount This element is included in summaries. 0..1 Ratio Amount of drug in package
Medication.ingredient 0..* BackboneElement Active or inactive ingredient
Medication.ingredient.id 0..1 string Unique id for inter-element referencing
Medication.ingredient.extension 0..* Extension Additional content defined by implementations
Medication.ingredient.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Medication.ingredient.item[x] 1..1 The actual ingredient or content
Medication.ingredient.item[x].itemCodeableConcept CodeableConcept
Medication.ingredient.item[x].itemReference Reference(Substance | Medication)
Medication.ingredient.isActive 0..1 boolean Active ingredient indicator
Medication.ingredient.strength 0..1 Ratio Quantity of ingredient present
Medication.batch 0..1 BackboneElement Details about packaged medications
Medication.batch.id 0..1 string Unique id for inter-element referencing
Medication.batch.extension 0..* Extension Additional content defined by implementations
Medication.batch.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Medication.batch.lotNumber 0..1 string Identifier assigned to batch
Medication.batch.expirationDate 0..1 dateTime When batch will expire

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Medication.language Base preferred Common Languages 📦4.0.1 FHIR Std.
Medication.code Base extensible Medication Clinical Drug 📦20170601 VSAC v0.11
Medication.status Base required Medication status codes 📍4.0.1 FHIR Std.
Medication.form Base example SNOMED CT Form Codes 📦4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Medication If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Medication 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-4 error Medication 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-5 error Medication If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Medication A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

This structure is derived from USCoreMedicationProfile

Summary

Mandatory: 1 element
Must-Support: 1 element

 

Other representations of profile: CSV, Excel, Schematron