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
| 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. |
| Short | Medication statement 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. EHDSMedicationStatement.header | |
| Definition | Basic metadata for this information |
| Short | Basic metadata for this information |
| Control | 1..1 |
| Type | Base |
| 4. EHDSMedicationStatement.header.subject | |
| Definition | Patient/subject information |
| Short | Patient/subject information |
| Control | 1..1 |
| Type | http://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). |
| 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. 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. |
| 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. EHDSMedicationStatement.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. EHDSMedicationStatement.header.status | |
| Definition | Status of the resource or document |
| Short | Status of the resource or document |
| Control | 1..1 |
| Type | CodeableConcept |
| 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. |
| 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. EHDSMedicationStatement.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. EHDSMedicationStatement.medicationTreatmentStatus | |
| Definition | The current status of the taking of medicine |
| Short | The current status of the taking of medicine |
| Control | 0..1 |
| Type | CodeableConcept |
| Requirements | MyHealth@EU |
| 20. EHDSMedicationStatement.medication | |
| Definition | Describes the medicinal product. |
| Short | Describes the medicinal product. |
| Control | 1..1 |
| Type | http://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) |
| Short | Coded reason for the use of the medication (typically diagnosis, or a procedure) |
| Control | 0..* |
| Type | CodeableConcept |
| 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. |
| Short | Reason for the use of the medication (typically diagnosis, or a procedure) in free text. |
| Control | 0..1 |
| Type | string |
| Primitive Value | This 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. |
| Short | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc. |
| Control | 0..1 |
| Type | CodeableConcept |
| 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 . |
| Short | Details of how medication is/was taken or should be taken |
| Control | 1..* |
| Type | http://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. |
| Short | Period when patient took, is taking or is expected to take the medication |
| Control | 0..1 |
| Type | Period |
| 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. |
| Short | Medication statement model |
| Logical Model | Instances 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 |
| Short | The current status of the taking of medicine |
| Control | 0..1 |
| Type | CodeableConcept |
| Requirements | MyHealth@EU |
| 4. EHDSMedicationStatement.medication | |
| Definition | Describes the medicinal product. |
| Short | Describes the medicinal product. |
| Control | 1..1 |
| Type | http://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) |
| Short | Coded reason for the use of the medication (typically diagnosis, or a procedure) |
| Control | 0..* |
| Type | CodeableConcept |
| 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. |
| Short | Reason for the use of the medication (typically diagnosis, or a procedure) in free text. |
| Control | 0..1 |
| Type | string |
| Primitive Value | This 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. |
| Short | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc. |
| Control | 0..1 |
| Type | CodeableConcept |
| 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 . |
| Short | Details of how medication is/was taken or should be taken |
| Control | 1..* |
| Type | http://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. |
| Short | Period when patient took, is taking or is expected to take the medication |
| Control | 0..1 |
| Type | Period |
| 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. |
| Short | Medication statement model |
| Control | 0..* |
| Is Modifier | false |
| Logical Model | Instances of this logical model are not marked to be the target of a Reference |
| 2. EHDSMedicationStatement.header | |
| Definition | Basic metadata for this information |
| Short | Basic metadata for this information |
| Control | 1..1 |
| Type | Base |
| 4. EHDSMedicationStatement.header.subject | |
| Definition | Patient/subject information |
| Short | Patient/subject information |
| Control | 1..1 |
| Type | http://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). |
| 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. 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. |
| 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. EHDSMedicationStatement.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. EHDSMedicationStatement.header.status | |
| Definition | Status of the resource or document |
| Short | Status of the resource or document |
| Control | 1..1 |
| Type | CodeableConcept |
| 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. |
| 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. EHDSMedicationStatement.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. EHDSMedicationStatement.medicationTreatmentStatus | |
| Definition | The current status of the taking of medicine |
| Short | The current status of the taking of medicine |
| Control | 0..1 |
| Type | CodeableConcept |
| Requirements | MyHealth@EU |
| 20. EHDSMedicationStatement.medication | |
| Definition | Describes the medicinal product. |
| Short | Describes the medicinal product. |
| Control | 1..1 |
| Type | http://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) |
| Short | Coded reason for the use of the medication (typically diagnosis, or a procedure) |
| Control | 0..* |
| Type | CodeableConcept |
| 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. |
| Short | Reason for the use of the medication (typically diagnosis, or a procedure) in free text. |
| Control | 0..1 |
| Type | string |
| Primitive Value | This 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. |
| Short | The type of intended use of the medication, e.g. prophylactic, therapeutic, diagnostic, anesthesia, etc. |
| Control | 0..1 |
| Type | CodeableConcept |
| 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 . |
| Short | Details of how medication is/was taken or should be taken |
| Control | 1..* |
| Type | http://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. |
| Short | Period when patient took, is taking or is expected to take the medication |
| Control | 0..1 |
| Type | Period |
| Requirements | eHN PS Guideline, ISO IPS, MyHealth@EU |