EHDS Logical Information Models
0.4.0 - draft

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.4.0 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 use model

Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationUse | Version: 0.4.0
Draft as of 2026-03-03 | Computable Name: EHDSMedicationUse

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

Usages:

- Derived from this Logical Model: MedicationUse obligations
- 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
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
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..* |  | The author of the medication use statement
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
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
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings

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

This structure is derived from EHDSDataSet

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
header |  |  |  |
author[x] |  | 0..* | EHDSHealthProfessional, EHDSOrganisation, EHDSDevice | The author of the medication use statement
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationUse.header.​status | Base | preferred |  | Not State | Unknown

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
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..* |  | The author of the medication use statement
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
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
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationUse.header.​status | Base | preferred |  | Not State | Unknown
EHDSMedicationUse.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
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
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..* |  | The author of the medication use statement
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
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
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationUse.header.​status | Base | preferred |  | Not State | Unknown
EHDSMedicationUse.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
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
header |  |  |  |
author[x] |  | 0..* | EHDSHealthProfessional, EHDSOrganisation, EHDSDevice | The author of the medication use statement
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationUse.header.​status | Base | preferred |  | Not State | Unknown

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSMedicationUse |  | 0..* | EHDSDataSet | Medication use model Elements defined in Ancestors:header
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..* |  | The author of the medication use statement
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
date |  | 0..1 | dateTime | Date and optionally time of authoring/issuing
status |  | 1..1 | CodeableConcept | Status of the medication use statement (e.g. recorded) Binding Description: (preferred): HL7 MedicationStatement Status Codes
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
treatmentStatus |  | 0..1 | CodeableConcept | The current status of taking the medicine (e.g. taking, on-hold, stopped)
changeType |  | 0..* | CodeableConcept | Medication use's change type in a medication summary (e.g. 'added', 'removed', 'altered'). Relevant at the time of discharge or other alteration of the active medications' list.
medication |  | 1..1 | EHDSMedication | Describes the medicinal product.
reason[x] |  | 0..* |  | Reason for the use of the medication (typically diagnosis, or a procedure)
reasonCodeableConcept |  |  | CodeableConcept |
reasonString |  |  | string |
dosageInstructions |  | 1..1 | EHDSDosage | Details of how medication is/was taken or should be taken
periodOfUse |  | 0..1 | Period | Period when the patient took, is taking or is expected to take the medication
derivedFrom[x] |  | 0..* |  | Prescriptions, dispenses or administrations that are the basis of this medication use statement.
derivedFromEHDSMedicationPrescription |  |  | EHDSMedicationPrescription |
derivedFromEHDSMedicationDispense |  |  | EHDSMedicationDispense |
derivedFromEHDSMedicationAdministration |  |  | EHDSMedicationAdministration |
note |  | 0..1 | string | Additional information about the medication use statement
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
EHDSMedicationUse.header.​status | Base | preferred |  | Not State | Unknown
EHDSMedicationUse.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