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: EHDSMedicationAdministration - Detailed Descriptions

Draft as of 2026-02-05

Definitions for the EHDSMedicationAdministration logical model.

- Key Elements Table
- Differential Elements Table
- Snapshot Elements Table

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

0. EHDSMedicationAdministration
Definition | EHDS refined base model for a single medication administration Base definition for all types defined in FHIR type system.
Short | Medication administration 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. EHDSMedicationAdministration.header
Definition | Basic metadata for this information
Short | Basic metadata for this information
Control | 1..1
Type | Base
4. EHDSMedicationAdministration.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationAdministration.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. EHDSMedicationAdministration.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.
Short | Author(s) responsible for the provided information.
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. EHDSMedicationAdministration.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. EHDSMedicationAdministration.header.status
Definition | Status of the resource or document
Short | Status of the administration (e.g. completed, not-done, on-hold, in-progress, unknown)
Control | 1..1
Binding | HL7 MedicationAdimnistrationStatusCodes
Type | CodeableConcept
14. EHDSMedicationAdministration.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. EHDSMedicationAdministration.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. EHDSMedicationAdministration.medication
Definition | Administered medication
Short | Administered medication
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
20. EHDSMedicationAdministration.occurrence[x]
Definition | Specific date/time or interval of time during which the administration took place (or did not take place)
Short | Specific date/time or interval of time during which the administration took place (or did not take place)
Control | 1..1
Type | Choice of: dateTime, Period
[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
22. EHDSMedicationAdministration.reason[x]
Definition | Condition or observation that supports why the medication was administered
Short | Condition or observation that supports why the medication was administered
Control | 0..*
Type | Choice of: CodeableConcept, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSCondition, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
24. EHDSMedicationAdministration.note
Definition | Textual information about the administration
Short | Textual information about the administration
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSMedicationAdministration.dosage
Definition | Details of how medication was taken
Short | Details of how medication was taken
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage

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

0. EHDSMedicationAdministration
Definition | EHDS refined base model for a single medication administration
Short | Medication administration model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationAdministration.header
4. EHDSMedicationAdministration.header.status
Short | Status of the administration (e.g. completed, not-done, on-hold, in-progress, unknown)
Binding | HL7 MedicationAdimnistrationStatusCodes
6. EHDSMedicationAdministration.medication
Definition | Administered medication
Short | Administered medication
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
8. EHDSMedicationAdministration.occurrence[x]
Definition | Specific date/time or interval of time during which the administration took place (or did not take place)
Short | Specific date/time or interval of time during which the administration took place (or did not take place)
Control | 1..1
Type | Choice of: dateTime, Period
[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
10. EHDSMedicationAdministration.reason[x]
Definition | Condition or observation that supports why the medication was administered
Short | Condition or observation that supports why the medication was administered
Control | 0..*
Type | Choice of: CodeableConcept, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSCondition, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSMedicationAdministration.note
Definition | Textual information about the administration
Short | Textual information about the administration
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSMedicationAdministration.dosage
Definition | Details of how medication was taken
Short | Details of how medication was taken
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage

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

0. EHDSMedicationAdministration
Definition | EHDS refined base model for a single medication administration
Short | Medication administration model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationAdministration.header
Definition | Basic metadata for this information
Short | Basic metadata for this information
Control | 1..1
Type | Base
4. EHDSMedicationAdministration.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationAdministration.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. EHDSMedicationAdministration.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.
Short | Author(s) responsible for the provided information.
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. EHDSMedicationAdministration.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. EHDSMedicationAdministration.header.status
Definition | Status of the resource or document
Short | Status of the administration (e.g. completed, not-done, on-hold, in-progress, unknown)
Control | 1..1
Binding | HL7 MedicationAdimnistrationStatusCodes
Type | CodeableConcept
14. EHDSMedicationAdministration.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. EHDSMedicationAdministration.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. EHDSMedicationAdministration.medication
Definition | Administered medication
Short | Administered medication
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
20. EHDSMedicationAdministration.occurrence[x]
Definition | Specific date/time or interval of time during which the administration took place (or did not take place)
Short | Specific date/time or interval of time during which the administration took place (or did not take place)
Control | 1..1
Type | Choice of: dateTime, Period
[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
22. EHDSMedicationAdministration.reason[x]
Definition | Condition or observation that supports why the medication was administered
Short | Condition or observation that supports why the medication was administered
Control | 0..*
Type | Choice of: CodeableConcept, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSCondition, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
24. EHDSMedicationAdministration.note
Definition | Textual information about the administration
Short | Textual information about the administration
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSMedicationAdministration.dosage
Definition | Details of how medication was taken
Short | Details of how medication was taken
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage