EHDS Logical Information Models
0.2.1 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.2.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/ and changes regularly. See the Directory of published versions

Logical Model: EHDSMedicationStatement - Detailed Descriptions

Draft as of 2026-02-05

Definitions for the EHDSMedicationStatement logical model.

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSMedicationStatement
Definition

Statement about a single medication as part of a medication summary.


Base definition for all types defined in FHIR type system.

ShortMedication statement modelBase for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationStatement.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSMedicationStatement.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationStatement.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSMedicationStatement.header.author[x]
Definition

Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.

ShortAuthor(s) responsible for the provided information.
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSMedicationStatement.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSMedicationStatement.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSMedicationStatement.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSMedicationStatement.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSMedicationStatement.medicationTreatmentStatus
Definition

The current status of the taking of medicine

ShortThe current status of the taking of medicine
Control0..1
TypeCodeableConcept
Requirements

MyHealth@EU

20. EHDSMedicationStatement.medication
Definition

Describes the medicinal product.

ShortDescribes the medicinal product.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

22. EHDSMedicationStatement.medicationReason
Definition

Coded reason for the use of the medication (typically diagnosis, or a procedure)

ShortCoded reason for the use of the medication (typically diagnosis, or a procedure)
Control0..*
TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

24. EHDSMedicationStatement.medicationReasonText
Definition

Reason for the use of the medication (typically diagnosis, or a procedure) in free text.

ShortReason for the use of the medication (typically diagnosis, or a procedure) in free text.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

26. EHDSMedicationStatement.intendedUseType
Definition

The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.

ShortThe type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
Control0..1
TypeCodeableConcept
Requirements

eHN PS Guideline, MyHealth@EU

28. EHDSMedicationStatement.dosageInstructions
Definition

Details of how medication is/was taken or should be taken. This includes the number of units per intake and frequency of intake over a specified duration of time. Example: 1 tablet every 24h, for 10 days .

ShortDetails of how medication is/was taken or should be taken
Control1..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosaging
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

30. EHDSMedicationStatement.periodOfUse
Definition

Period when patient took, is taking or is expected to take the medication. This information may be expressed using start and end date times OR indicating the duration. The first is used to indicate a specified interval (e.g., from March 15th, 2017); the latter for indicating a 'floating' period (e.g., 2 weeks). In case of unbounded period (continuous therapy), the end element will be valued with an exceptional value.

ShortPeriod when patient took, is taking or is expected to take the medication
Control0..1
TypePeriod
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSMedicationStatement
Definition

Statement about a single medication as part of a medication summary.

ShortMedication statement model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationStatement.medicationTreatmentStatus
Definition

The current status of the taking of medicine

ShortThe current status of the taking of medicine
Control0..1
TypeCodeableConcept
Requirements

MyHealth@EU

4. EHDSMedicationStatement.medication
Definition

Describes the medicinal product.

ShortDescribes the medicinal product.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

6. EHDSMedicationStatement.medicationReason
Definition

Coded reason for the use of the medication (typically diagnosis, or a procedure)

ShortCoded reason for the use of the medication (typically diagnosis, or a procedure)
Control0..*
TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

8. EHDSMedicationStatement.medicationReasonText
Definition

Reason for the use of the medication (typically diagnosis, or a procedure) in free text.

ShortReason for the use of the medication (typically diagnosis, or a procedure) in free text.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

10. EHDSMedicationStatement.intendedUseType
Definition

The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.

ShortThe type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
Control0..1
TypeCodeableConcept
Requirements

eHN PS Guideline, MyHealth@EU

12. EHDSMedicationStatement.dosageInstructions
Definition

Details of how medication is/was taken or should be taken. This includes the number of units per intake and frequency of intake over a specified duration of time. Example: 1 tablet every 24h, for 10 days .

ShortDetails of how medication is/was taken or should be taken
Control1..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosaging
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

14. EHDSMedicationStatement.periodOfUse
Definition

Period when patient took, is taking or is expected to take the medication. This information may be expressed using start and end date times OR indicating the duration. The first is used to indicate a specified interval (e.g., from March 15th, 2017); the latter for indicating a 'floating' period (e.g., 2 weeks). In case of unbounded period (continuous therapy), the end element will be valued with an exceptional value.

ShortPeriod when patient took, is taking or is expected to take the medication
Control0..1
TypePeriod
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSMedicationStatement
Definition

Statement about a single medication as part of a medication summary.

ShortMedication statement model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationStatement.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSMedicationStatement.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationStatement.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSMedicationStatement.header.author[x]
Definition

Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.

ShortAuthor(s) responsible for the provided information.
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSMedicationStatement.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSMedicationStatement.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSMedicationStatement.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSMedicationStatement.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSMedicationStatement.medicationTreatmentStatus
Definition

The current status of the taking of medicine

ShortThe current status of the taking of medicine
Control0..1
TypeCodeableConcept
Requirements

MyHealth@EU

20. EHDSMedicationStatement.medication
Definition

Describes the medicinal product.

ShortDescribes the medicinal product.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

22. EHDSMedicationStatement.medicationReason
Definition

Coded reason for the use of the medication (typically diagnosis, or a procedure)

ShortCoded reason for the use of the medication (typically diagnosis, or a procedure)
Control0..*
TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

24. EHDSMedicationStatement.medicationReasonText
Definition

Reason for the use of the medication (typically diagnosis, or a procedure) in free text.

ShortReason for the use of the medication (typically diagnosis, or a procedure) in free text.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

26. EHDSMedicationStatement.intendedUseType
Definition

The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.

ShortThe type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
Control0..1
TypeCodeableConcept
Requirements

eHN PS Guideline, MyHealth@EU

28. EHDSMedicationStatement.dosageInstructions
Definition

Details of how medication is/was taken or should be taken. This includes the number of units per intake and frequency of intake over a specified duration of time. Example: 1 tablet every 24h, for 10 days .

ShortDetails of how medication is/was taken or should be taken
Control1..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosaging
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU

30. EHDSMedicationStatement.periodOfUse
Definition

Period when patient took, is taking or is expected to take the medication. This information may be expressed using start and end date times OR indicating the duration. The first is used to indicate a specified interval (e.g., from March 15th, 2017); the latter for indicating a 'floating' period (e.g., 2 weeks). In case of unbounded period (continuous therapy), the end element will be valued with an exceptional value.

ShortPeriod when patient took, is taking or is expected to take the medication
Control0..1
TypePeriod
Requirements

eHN PS Guideline, ISO IPS, MyHealth@EU