Draft PH Core Implementation Guide
0.1.0 - ci-build Philippines

Draft PH Core Implementation Guide, published by UP Manila National TeleHealth Center. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/UP-Manila-SILab/ph-core/ and changes regularly. See the Directory of published versions

Resource Profile: PH Core Medication Statement ( Experimental )

Official URL: http://doh.gov.ph/fhir/ph-core/StructureDefinition/ph-core-medicationstatement Version: 0.1.0
Draft as of 2026-03-25 Computable Name: PHCoreMedicationStatement

Captures key FHIR Medication Statement data for the Philippine context.

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: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... basedOn Σ 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... status ?!Σ 1..1 code active | completed | entered-in-error | intended | stopped | on-hold | unknown | not-taken
Binding: Medication Status Codes (required): A coded concept indicating the current status of a MedicationStatement.
... Slices for medication[x] Σ 1..1 What medication was taken
Slice: Unordered, Closed by type:$this
Binding: SNOMEDCTMedicationCodes (example): A coded concept identifying the substance or product being taken.
.... medicationCodeableConcept CodeableConcept
.... medicationReference Reference(Medication)
.... medication[x]:medicationReference Σ 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept Σ 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... subject Σ 1..1 Reference(PH Core Patient) Who is/was taking the medication
... context Σ 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
MedicationStatement.​status Base required Medication status codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x] Base example SNOMED CT Medication Codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG

Constraints

Id Grade Path(s) Description Expression
dom-2 error MedicationStatement If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error MedicationStatement 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 MedicationStatement 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 MedicationStatement If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice MedicationStatement 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 MedicationStatement

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... basedOn 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... partOf 0..* Reference(PH Core Medication Administration | PH Core Medication Dispense | PH Core Medication Statement | PH Core Procedure | PH Core Observation) Part of referenced event
... Slices for medication[x] 1..1 CodeableConcept, Reference(Medication) What medication was taken
Slice: Unordered, Open by type:$this
.... medication[x]:medicationReference 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... context 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... 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
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier External identifier
... basedOn Σ 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... partOf Σ 0..* Reference(PH Core Medication Administration | PH Core Medication Dispense | PH Core Medication Statement | PH Core Procedure | PH Core Observation) Part of referenced event
... status ?!Σ 1..1 code active | completed | entered-in-error | intended | stopped | on-hold | unknown | not-taken
Binding: Medication Status Codes (required): A coded concept indicating the current status of a MedicationStatement.
... statusReason 0..* CodeableConcept Reason for current status
Binding: SNOMEDCTDrugTherapyStatusCodes (example): A coded concept indicating the reason for the status of the statement.
... category Σ 0..1 CodeableConcept Type of medication usage
Binding: Medication usage category codes (preferred): A coded concept identifying where the medication included in the MedicationStatement is expected to be consumed or administered.
... Slices for medication[x] Σ 1..1 What medication was taken
Slice: Unordered, Closed by type:$this
Binding: SNOMEDCTMedicationCodes (example): A coded concept identifying the substance or product being taken.
.... medicationCodeableConcept CodeableConcept
.... medicationReference Reference(Medication)
.... medication[x]:medicationReference Σ 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept Σ 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... subject Σ 1..1 Reference(PH Core Patient) Who is/was taking the medication
... context Σ 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... effective[x] Σ 0..1 The date/time or interval when the medication is/was/will be taken
.... effectiveDateTime dateTime
.... effectivePeriod Period
... dateAsserted Σ 0..1 dateTime When the statement was asserted?
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonCode 0..* CodeableConcept Reason for why the medication is being/was taken
Binding: Condition/Problem/DiagnosisCodes (example): A coded concept identifying why the medication is being taken.
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken
... note 0..* Annotation Further information about the statement
... dosage 0..* Dosage Details of how medication is/was taken or should be taken

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
MedicationStatement.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
MedicationStatement.​status Base required Medication status codes 📍4.0.1 FHIR Std.
MedicationStatement.​statusReason Base example SNOMED CT Drug Therapy Status codes 📍4.0.1 FHIR Std.
MedicationStatement.​category Base preferred Medication usage category codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x] Base example SNOMED CT Medication Codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG
MedicationStatement.​reasonCode Base example Condition/Problem/Diagnosis Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error MedicationStatement If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error MedicationStatement 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 MedicationStatement 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 MedicationStatement If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice MedicationStatement 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 MedicationStatement

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... basedOn Σ 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... status ?!Σ 1..1 code active | completed | entered-in-error | intended | stopped | on-hold | unknown | not-taken
Binding: Medication Status Codes (required): A coded concept indicating the current status of a MedicationStatement.
... Slices for medication[x] Σ 1..1 What medication was taken
Slice: Unordered, Closed by type:$this
Binding: SNOMEDCTMedicationCodes (example): A coded concept identifying the substance or product being taken.
.... medicationCodeableConcept CodeableConcept
.... medicationReference Reference(Medication)
.... medication[x]:medicationReference Σ 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept Σ 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... subject Σ 1..1 Reference(PH Core Patient) Who is/was taking the medication
... context Σ 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
MedicationStatement.​status Base required Medication status codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x] Base example SNOMED CT Medication Codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG

Constraints

Id Grade Path(s) Description Expression
dom-2 error MedicationStatement If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error MedicationStatement 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 MedicationStatement 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 MedicationStatement If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice MedicationStatement 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 MedicationStatement

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... basedOn 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... partOf 0..* Reference(PH Core Medication Administration | PH Core Medication Dispense | PH Core Medication Statement | PH Core Procedure | PH Core Observation) Part of referenced event
... Slices for medication[x] 1..1 CodeableConcept, Reference(Medication) What medication was taken
Slice: Unordered, Open by type:$this
.... medication[x]:medicationReference 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... context 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. MedicationStatement 0..* MedicationStatement Record of medication being taken by a patient
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... 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
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier External identifier
... basedOn Σ 0..* Reference(PH Core Medication Request | CarePlan | ServiceRequest) Fulfils plan, proposal or order
... partOf Σ 0..* Reference(PH Core Medication Administration | PH Core Medication Dispense | PH Core Medication Statement | PH Core Procedure | PH Core Observation) Part of referenced event
... status ?!Σ 1..1 code active | completed | entered-in-error | intended | stopped | on-hold | unknown | not-taken
Binding: Medication Status Codes (required): A coded concept indicating the current status of a MedicationStatement.
... statusReason 0..* CodeableConcept Reason for current status
Binding: SNOMEDCTDrugTherapyStatusCodes (example): A coded concept indicating the reason for the status of the statement.
... category Σ 0..1 CodeableConcept Type of medication usage
Binding: Medication usage category codes (preferred): A coded concept identifying where the medication included in the MedicationStatement is expected to be consumed or administered.
... Slices for medication[x] Σ 1..1 What medication was taken
Slice: Unordered, Closed by type:$this
Binding: SNOMEDCTMedicationCodes (example): A coded concept identifying the substance or product being taken.
.... medicationCodeableConcept CodeableConcept
.... medicationReference Reference(Medication)
.... medication[x]:medicationReference Σ 0..1 Reference(PH Core Medication) What medication was taken
.... medication[x]:medicationCodeableConcept Σ 0..1 CodeableConcept What medication was taken
Binding: Drugs (preferred)
... subject Σ 1..1 Reference(PH Core Patient) Who is/was taking the medication
... context Σ 0..1 Reference(PH Core Encounter) Encounter / Episode associated with MedicationStatement
... effective[x] Σ 0..1 The date/time or interval when the medication is/was/will be taken
.... effectiveDateTime dateTime
.... effectivePeriod Period
... dateAsserted Σ 0..1 dateTime When the statement was asserted?
... informationSource 0..1 Reference(PH Core Patient | PH Core Practitioner | PH Core PractitionerRole | PH Core RelatedPerson | PH Core Organization) Person or organization that provided the information about the taking of this medication
... derivedFrom 0..* Reference(PH Core Medication Statement | PH Core Medication Request | PH Core Medication Dispense | PH Core Medication Administration | PH Core Procedure | PH Core Observation) Additional supporting information
... reasonCode 0..* CodeableConcept Reason for why the medication is being/was taken
Binding: Condition/Problem/DiagnosisCodes (example): A coded concept identifying why the medication is being taken.
... reasonReference 0..* Reference(Condition | PH Core Observation | DiagnosticReport) Condition or observation that supports why the medication is being/was taken
... note 0..* Annotation Further information about the statement
... dosage 0..* Dosage Details of how medication is/was taken or should be taken

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
MedicationStatement.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
MedicationStatement.​status Base required Medication status codes 📍4.0.1 FHIR Std.
MedicationStatement.​statusReason Base example SNOMED CT Drug Therapy Status codes 📍4.0.1 FHIR Std.
MedicationStatement.​category Base preferred Medication usage category codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x] Base example SNOMED CT Medication Codes 📍4.0.1 FHIR Std.
MedicationStatement.​medication[x]:medicationCodeableConcept Base preferred Drugs 📦0.1.0 This IG
MedicationStatement.​reasonCode Base example Condition/Problem/Diagnosis Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error MedicationStatement If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error MedicationStatement 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 MedicationStatement 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 MedicationStatement If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice MedicationStatement 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 MedicationStatement

 

Other representations of profile: CSV, Excel, Schematron