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: Medication statement model

Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationStatement | Version: 0.2.1
Draft as of 2026-02-05 | Computable Name: EHDSMedicationStatement

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

Feedback is welcome on any aspect of the content.
However, the following topics have been identified as areas where input would be particularly valuable:
- intendedUseType. Is the element used as a category of purpose of use, or simply to signal whether a medication is used for therapeutic, diagnosis, prophylaxis, etc. </div>

Usages:

- Use this Logical Model: Discharge Report model and Patient summary model

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.

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
header |  | 1..1 | Base | Basic metadata for this information
subject |  | 1..1 | EHDSPatient | Patient/subject information
identifier |  | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
author[x] |  | 0..* |  | Author(s) responsible for the provided information.
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the resource or document
source |  | 0..1 | CodeableConcept | 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.
language |  | 0..1 | CodeableConcept | Language in which the resource is written. Language is expressed by the IETF language tag. Binding Description: (preferred): BCP 47
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationStatement.​header.language | Base | preferred |  | Not State | Unknown

This structure is derived from EHDSDataSet

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
header |  | 1..1 | Base | Basic metadata for this information
subject |  | 1..1 | EHDSPatient | Patient/subject information
identifier |  | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
author[x] |  | 0..* |  | Author(s) responsible for the provided information.
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the resource or document
source |  | 0..1 | CodeableConcept | 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.
language |  | 0..1 | CodeableConcept | Language in which the resource is written. Language is expressed by the IETF language tag. Binding Description: (preferred): BCP 47
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationStatement.​header.language | Base | preferred |  | Not State | Unknown

This structure is derived from EHDSDataSet

Summary

Mandatory: 0 element(2 nested mandatory elements)

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
header |  | 1..1 | Base | Basic metadata for this information
subject |  | 1..1 | EHDSPatient | Patient/subject information
identifier |  | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
author[x] |  | 0..* |  | Author(s) responsible for the provided information.
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the resource or document
source |  | 0..1 | CodeableConcept | 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.
language |  | 0..1 | CodeableConcept | Language in which the resource is written. Language is expressed by the IETF language tag. Binding Description: (preferred): BCP 47
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationStatement.​header.language | Base | preferred |  | Not State | Unknown

Differential View

This structure is derived from EHDSDataSet

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationStatement |  | 0..* | EHDSDataSet | Medication statement model Elements defined in Ancestors:header Instances of this logical model can be the target of a Reference
header |  | 1..1 | Base | Basic metadata for this information
subject |  | 1..1 | EHDSPatient | Patient/subject information
identifier |  | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
author[x] |  | 0..* |  | Author(s) responsible for the provided information.
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the resource or document
source |  | 0..1 | CodeableConcept | 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.
language |  | 0..1 | CodeableConcept | Language in which the resource is written. Language is expressed by the IETF language tag. Binding Description: (preferred): BCP 47
medicationTreatmentStatus |  | 0..1 | CodeableConcept | The current status of the taking of medicine
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
medicationReason |  | 0..* | CodeableConcept | Coded reason for the use of the medication (typically diagnosis, or a procedure)
medicationReasonText |  | 0..1 | string | Reason for the use of the medication (typically diagnosis, or a procedure) in free text.
intendedUseType |  | 0..1 | CodeableConcept | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc.
dosageInstructions |  | 1..* | EHDSDosaging | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when patient took, is taking or is expected to take the medication
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationStatement.​header.language | Base | preferred |  | Not State | Unknown

This structure is derived from EHDSDataSet

Summary

Mandatory: 0 element(2 nested mandatory elements)

Other representations of profile: CSV, Excel