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
| Draft as of 2026-03-16 |
Definitions for the EHDSMedicationUseLaboratoryObligations logical model.
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSMedicationUse | |||||||||||||
| Definition | Statement about a single medication as part of a medication summary. Base definition for all types defined in FHIR type system. | ||||||||||||
| Short | Medication use modelBase for all types and resources | ||||||||||||
| Control | 0..* | ||||||||||||
| Is Modifier | false | ||||||||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||||||||
| 2. EHDSMedicationUse.header | |||||||||||||
| Definition | Basic metadata for this information | ||||||||||||
| Short | Basic metadata for this information | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | Base | ||||||||||||
| 4. EHDSMedicationUse.header.subject | |||||||||||||
| Definition | Patient/subject information | ||||||||||||
| Short | Patient/subject information | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient | ||||||||||||
| Obligations |
| ||||||||||||
| 6. EHDSMedicationUse.header.identifier | |||||||||||||
| Definition | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries). | ||||||||||||
| Short | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries). | ||||||||||||
| Note | This is a business identifier, not a resource identifier (see discussion) | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Identifier | ||||||||||||
| 8. EHDSMedicationUse.header.author[x] | |||||||||||||
| Definition | The author of the medication use statement | ||||||||||||
| Short | The author of the medication use statement | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| 10. EHDSMedicationUse.header.date | |||||||||||||
| Definition | Date and optionally time of authoring/issuing | ||||||||||||
| Short | Date and optionally time of authoring/issuing | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | dateTime | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| 12. EHDSMedicationUse.header.status | |||||||||||||
| Definition | Status of the medication use statement (e.g. recorded) | ||||||||||||
| Short | Status of the medication use statement (e.g. recorded) | ||||||||||||
| Control | 1..1 | ||||||||||||
| Binding | HL7 MedicationStatement Status Codes | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, MyHealth@EU, ISO IPS | ||||||||||||
| 14. EHDSMedicationUse.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. | ||||||||||||
| Short | 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. | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 16. EHDSMedicationUse.header.language | |||||||||||||
| Definition | Language in which the resource is written. Language is expressed by the IETF language tag. | ||||||||||||
| Short | Language in which the resource is written. Language is expressed by the IETF language tag. | ||||||||||||
| Control | 0..1 | ||||||||||||
| Binding | BCP 47 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 18. EHDSMedicationUse.treatmentStatus | |||||||||||||
| Definition | The current status of taking the medicine (e.g. taking, on-hold, stopped) | ||||||||||||
| Short | The current status of taking the medicine (e.g. taking, on-hold, stopped) | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | MyHealth@EU | ||||||||||||
| 20. EHDSMedicationUse.changeType | |||||||||||||
| Definition | 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. | ||||||||||||
| Short | 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. | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 22. EHDSMedicationUse.medication | |||||||||||||
| Definition | Describes the medicinal product. | ||||||||||||
| Short | Describes the medicinal product. | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 24. EHDSMedicationUse.reason[x] | |||||||||||||
| Definition | Reason for the use of the medication (typically diagnosis, or a procedure) | ||||||||||||
| Short | Reason for the use of the medication (typically diagnosis, or a procedure) | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice of: CodeableConcept, string | ||||||||||||
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 26. EHDSMedicationUse.dosageInstructions | |||||||||||||
| Definition | Details of how medication is/was taken or should be taken | ||||||||||||
| Short | Details of how medication is/was taken or should be taken | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 28. EHDSMedicationUse.periodOfUse | |||||||||||||
| Definition | Period when the patient took, is taking or is expected to take the medication | ||||||||||||
| Short | Period when the patient took, is taking or is expected to take the medication | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | Period | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 30. EHDSMedicationUse.derivedFrom[x] | |||||||||||||
| Definition | Prescriptions, dispenses or administrations that are the basis of this medication use statement. | ||||||||||||
| Short | Prescriptions, dispenses or administrations that are the basis of this medication use statement. | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationPrescription, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationDispense, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationAdministration | ||||||||||||
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| 32. EHDSMedicationUse.note | |||||||||||||
| Definition | Additional information about the medication use statement | ||||||||||||
| Short | Additional information about the medication use statement | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | string | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| Obligations |
| ||||||||||||
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSMedicationUse | |||||||||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||||||||
| 2. EHDSMedicationUse.header | |||||||||||||
| 4. EHDSMedicationUse.header.subject | |||||||||||||
| Obligations |
| ||||||||||||
| 6. EHDSMedicationUse.header.status | |||||||||||||
| Obligations |
| ||||||||||||
| 8. EHDSMedicationUse.treatmentStatus | |||||||||||||
| Obligations |
| ||||||||||||
| 10. EHDSMedicationUse.medication | |||||||||||||
| Obligations |
| ||||||||||||
| 12. EHDSMedicationUse.dosageInstructions | |||||||||||||
| Obligations |
| ||||||||||||
| 14. EHDSMedicationUse.periodOfUse | |||||||||||||
| Obligations |
| ||||||||||||
| 16. EHDSMedicationUse.note | |||||||||||||
| Obligations |
| ||||||||||||
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSMedicationUse | |||||||||||||
| Definition | Statement about a single medication as part of a medication summary. | ||||||||||||
| Short | Medication use model | ||||||||||||
| Control | 0..* | ||||||||||||
| Is Modifier | false | ||||||||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||||||||
| 2. EHDSMedicationUse.header | |||||||||||||
| Definition | Basic metadata for this information | ||||||||||||
| Short | Basic metadata for this information | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | Base | ||||||||||||
| 4. EHDSMedicationUse.header.subject | |||||||||||||
| Definition | Patient/subject information | ||||||||||||
| Short | Patient/subject information | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient | ||||||||||||
| Obligations |
| ||||||||||||
| 6. EHDSMedicationUse.header.identifier | |||||||||||||
| Definition | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries). | ||||||||||||
| Short | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries). | ||||||||||||
| Note | This is a business identifier, not a resource identifier (see discussion) | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Identifier | ||||||||||||
| 8. EHDSMedicationUse.header.author[x] | |||||||||||||
| Definition | The author of the medication use statement | ||||||||||||
| Short | The author of the medication use statement | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| 10. EHDSMedicationUse.header.date | |||||||||||||
| Definition | Date and optionally time of authoring/issuing | ||||||||||||
| Short | Date and optionally time of authoring/issuing | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | dateTime | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| 12. EHDSMedicationUse.header.status | |||||||||||||
| Definition | Status of the medication use statement (e.g. recorded) | ||||||||||||
| Short | Status of the medication use statement (e.g. recorded) | ||||||||||||
| Control | 1..1 | ||||||||||||
| Binding | HL7 MedicationStatement Status Codes | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, MyHealth@EU, ISO IPS | ||||||||||||
| 14. EHDSMedicationUse.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. | ||||||||||||
| Short | 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. | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 16. EHDSMedicationUse.header.language | |||||||||||||
| Definition | Language in which the resource is written. Language is expressed by the IETF language tag. | ||||||||||||
| Short | Language in which the resource is written. Language is expressed by the IETF language tag. | ||||||||||||
| Control | 0..1 | ||||||||||||
| Binding | BCP 47 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 18. EHDSMedicationUse.treatmentStatus | |||||||||||||
| Definition | The current status of taking the medicine (e.g. taking, on-hold, stopped) | ||||||||||||
| Short | The current status of taking the medicine (e.g. taking, on-hold, stopped) | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | MyHealth@EU | ||||||||||||
| 20. EHDSMedicationUse.changeType | |||||||||||||
| Definition | 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. | ||||||||||||
| Short | 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. | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | CodeableConcept | ||||||||||||
| 22. EHDSMedicationUse.medication | |||||||||||||
| Definition | Describes the medicinal product. | ||||||||||||
| Short | Describes the medicinal product. | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 24. EHDSMedicationUse.reason[x] | |||||||||||||
| Definition | Reason for the use of the medication (typically diagnosis, or a procedure) | ||||||||||||
| Short | Reason for the use of the medication (typically diagnosis, or a procedure) | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice of: CodeableConcept, string | ||||||||||||
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 26. EHDSMedicationUse.dosageInstructions | |||||||||||||
| Definition | Details of how medication is/was taken or should be taken | ||||||||||||
| Short | Details of how medication is/was taken or should be taken | ||||||||||||
| Control | 1..1 | ||||||||||||
| Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 28. EHDSMedicationUse.periodOfUse | |||||||||||||
| Definition | Period when the patient took, is taking or is expected to take the medication | ||||||||||||
| Short | Period when the patient took, is taking or is expected to take the medication | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | Period | ||||||||||||
| Obligations |
| ||||||||||||
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU | ||||||||||||
| 30. EHDSMedicationUse.derivedFrom[x] | |||||||||||||
| Definition | Prescriptions, dispenses or administrations that are the basis of this medication use statement. | ||||||||||||
| Short | Prescriptions, dispenses or administrations that are the basis of this medication use statement. | ||||||||||||
| Control | 0..* | ||||||||||||
| Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationPrescription, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationDispense, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationAdministration | ||||||||||||
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | ||||||||||||
| 32. EHDSMedicationUse.note | |||||||||||||
| Definition | Additional information about the medication use statement | ||||||||||||
| Short | Additional information about the medication use statement | ||||||||||||
| Control | 0..1 | ||||||||||||
| Type | string | ||||||||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||||||||
| Obligations |
| ||||||||||||