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/costateixeira/xt-ehr-common/ and changes regularly. See the Directory of published versions

## Logical Model: EHDSSpecimen - Detailed Descriptions

Draft as of 2025-12-03

Definitions for the EHDSSpecimen 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. EHDSSpecimen
Definition | EHDS refined base model for A sample to be used for Analysis Base definition for all types defined in FHIR type system.
Short | Specimen 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. EHDSSpecimen.identifier
Definition | An identifier of the specimen which is unique within in a defined scope. Example: identifier assigned by ordering system, identifier assigned by laboratory etc. Multiple identifiers can be used.
Short | An identifier of the specimen which is unique within in a defined scope.
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
4. EHDSSpecimen.collectionPeriod
Definition | The period or date and time of specimen collection.
Short | The period or date and time of specimen collection.
Control | 0..1
Type | Period
6. EHDSSpecimen.bodySite
Definition | Anatomic location (body location, laterality) where the material is collected, e.g. Elbow, left
Short | Anatomic location (body location, laterality) where the material is collected, e.g. Elbow, left
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
8. EHDSSpecimen.collectionProcedure
Definition | The procedure that collects the specimen.
Short | The procedure that collects the specimen.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSProcedure
10. EHDSSpecimen.collectionProcedureMethod
Definition | If relevant for the results, the method of obtaining the specimen.
Short | Collection procedure method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSSpecimen.typeOfSpecies
Definition | Biologic type of species for laboratory result reports bound to non-human subjects.
Short | Biologic type of species for laboratory result reports bound to non-human subjects.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
14. EHDSSpecimen.material
Definition | Material that forms the specimen.
Short | Material that forms the specimen.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
16. EHDSSpecimen.sourceDevice
Definition | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Short | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Control | 0..1
Binding | SNOMED CT, EMDN
Type | CodeableConcept
18. EHDSSpecimen.receivedDate
Definition | Date and time that the material is handed over at the laboratory or specimen collection centre.
Short | Date and time that the material is handed over at the laboratory or specimen collection centre.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSSpecimen.subject[x]
Definition | Where the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a sampling of a substance, a biologically-derived product, or a device.
Short | Subject
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSubstance
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
22. EHDSSpecimen.container
Definition | The container holding the specimen.
Short | The container holding the specimen.
Control | 0..*
Type | Base
24. EHDSSpecimen.container.specimenQuantity
Definition | Quantity of specimen within container.
Short | Specimen quantity
Control | 0..1
Type | Quantity
26. EHDSSpecimen.container.containerDevice
Definition | The device resource for the the container holding the specimen.
Short | Container device
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice

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

0. EHDSSpecimen
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSSpecimen.typeOfSpecies
Definition | Biologic type of species for laboratory result reports bound to non-human subjects.
Short | Biologic type of species for laboratory result reports bound to non-human subjects.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
4. EHDSSpecimen.material
Definition | Material that forms the specimen.
Short | Material that forms the specimen.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
6. EHDSSpecimen.sourceDevice
Definition | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Short | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Control | 0..1
Binding | SNOMED CT, EMDN
Type | CodeableConcept
8. EHDSSpecimen.receivedDate
Definition | Date and time that the material is handed over at the laboratory or specimen collection centre.
Short | Date and time that the material is handed over at the laboratory or specimen collection centre.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSSpecimen.subject[x]
Definition | Where the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a sampling of a substance, a biologically-derived product, or a device.
Short | Subject
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSubstance
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSSpecimen.container
Definition | The container holding the specimen.
Short | The container holding the specimen.
Control | 0..*
Type | Base
14. EHDSSpecimen.container.specimenQuantity
Definition | Quantity of specimen within container.
Short | Specimen quantity
Control | 0..1
Type | Quantity
16. EHDSSpecimen.container.containerDevice
Definition | The device resource for the the container holding the specimen.
Short | Container device
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice

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

0. EHDSSpecimen
Definition | EHDS refined base model for A sample to be used for Analysis
Short | Specimen model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSSpecimen.identifier
Definition | An identifier of the specimen which is unique within in a defined scope. Example: identifier assigned by ordering system, identifier assigned by laboratory etc. Multiple identifiers can be used.
Short | An identifier of the specimen which is unique within in a defined scope.
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
4. EHDSSpecimen.collectionPeriod
Definition | The period or date and time of specimen collection.
Short | The period or date and time of specimen collection.
Control | 0..1
Type | Period
6. EHDSSpecimen.bodySite
Definition | Anatomic location (body location, laterality) where the material is collected, e.g. Elbow, left
Short | Anatomic location (body location, laterality) where the material is collected, e.g. Elbow, left
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
8. EHDSSpecimen.collectionProcedure
Definition | The procedure that collects the specimen.
Short | The procedure that collects the specimen.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSProcedure
10. EHDSSpecimen.collectionProcedureMethod
Definition | If relevant for the results, the method of obtaining the specimen.
Short | Collection procedure method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSSpecimen.typeOfSpecies
Definition | Biologic type of species for laboratory result reports bound to non-human subjects.
Short | Biologic type of species for laboratory result reports bound to non-human subjects.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
14. EHDSSpecimen.material
Definition | Material that forms the specimen.
Short | Material that forms the specimen.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
16. EHDSSpecimen.sourceDevice
Definition | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Short | Source device in case the material is not collected directly from the patient but comes from a patient-related object, e.g. a catheter
Control | 0..1
Binding | SNOMED CT, EMDN
Type | CodeableConcept
18. EHDSSpecimen.receivedDate
Definition | Date and time that the material is handed over at the laboratory or specimen collection centre.
Short | Date and time that the material is handed over at the laboratory or specimen collection centre.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSSpecimen.subject[x]
Definition | Where the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a sampling of a substance, a biologically-derived product, or a device.
Short | Subject
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSubstance
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
22. EHDSSpecimen.container
Definition | The container holding the specimen.
Short | The container holding the specimen.
Control | 0..*
Type | Base
24. EHDSSpecimen.container.specimenQuantity
Definition | Quantity of specimen within container.
Short | Specimen quantity
Control | 0..1
Type | Quantity
26. EHDSSpecimen.container.containerDevice
Definition | The device resource for the the container holding the specimen.
Short | Container device
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice