EHDS Logical Information Models
0.3.0 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.3.0 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: EHDSSpecimen - Detailed Descriptions

Draft as of 2026-02-09

Definitions for the EHDSSpecimen logical model.

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

0. EHDSSpecimen
Definition

Model for a specimen to be used for analysis


Base definition for all types defined in FHIR type system.

ShortSpecimen modelBase for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances 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.

ShortAn 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.
NoteThis is a business identifier, not a resource identifier (see discussion)
Control1..*
TypeIdentifier
4. EHDSSpecimen.status
Definition

Availability of the specimen.

ShortAvailability of the specimen.
Control0..1
Binding

HL7 specimen-status

TypeCodeableConcept
6. EHDSSpecimen.type
Definition

The kind of material that forms the Specimen.

ShortThe kind of material that forms the Specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
8. EHDSSpecimen.specimenSource[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 device. Additional types of specimen may be allowed in implementations.

ShortWhere the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a device. Additional types of specimen may be allowed in implementations.
Control0..1
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSSpecimen.parentSpecimen
Definition

Specimen from which this specimen originated

ShortSpecimen from which this specimen originated
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
12. EHDSSpecimen.request
Definition

Why the specimen ws collected

ShortWhy the specimen ws collected
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
14. EHDSSpecimen.combined
Definition

This element signifies if the specimen is part of a group or pooled.

ShortThis element signifies if the specimen is part of a group or pooled.
Control0..1
Binding

HL7 specimen-combined

TypeCodeableConcept
16. EHDSSpecimen.collection
Definition

Collection details

ShortCollection details
Control0..*
TypeBase
18. EHDSSpecimen.collection.performer[x]
Definition

Person or organisation who collected the specimen

ShortPerson or organisation who collected the specimen
Control0..1
TypeChoice 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/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSSpecimen.collection.collected[x]
Definition

The period or date and time of specimen collection.

ShortThe period or date and time of specimen collection.
Control1..1
TypeChoice of: Period, dateTime
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
22. EHDSSpecimen.collection.quantity
Definition

The quantity of specimen collected

ShortThe quantity of specimen collected
Control0..1
TypeQuantity
24. EHDSSpecimen.collection.method
Definition

If relevant for the results, the method of obtaining the specimen.

ShortIf relevant for the results, the method of obtaining the specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
26. EHDSSpecimen.collection.device
Definition

Device used to perform specimen collection

ShortDevice used to perform specimen collection
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
28. EHDSSpecimen.collection.bodySite
Definition

Anatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left

ShortAnatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
30. EHDSSpecimen.receivedDate
Definition

Date and time when specimen is received by the testing laboratory.

ShortDate and time when specimen is received by the testing laboratory.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
32. EHDSSpecimen.container
Definition

The container holding the specimen.

ShortThe container holding the specimen.
Control0..*
TypeBase
34. EHDSSpecimen.container.specimenQuantity
Definition

Quantity of specimen within container

ShortQuantity of specimen within container
Control0..1
TypeQuantity
36. EHDSSpecimen.container.containerDevice
Definition

The device resource for the the container holding the specimen.

ShortThe device resource for the the container holding the specimen.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
38. EHDSSpecimen.condition
Definition

State of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.

ShortState of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.
Control0..*
Binding

HL7 specimenCondition

TypeCodeableConcept
40. EHDSSpecimen.note
Definition

To communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).

ShortTo communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

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

0. EHDSSpecimen
Definition

Model for a specimen to be used for analysis

ShortSpecimen model
Logical ModelInstances 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.

ShortAn 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.
NoteThis is a business identifier, not a resource identifier (see discussion)
Control1..*
TypeIdentifier
4. EHDSSpecimen.status
Definition

Availability of the specimen.

ShortAvailability of the specimen.
Control0..1
Binding

HL7 specimen-status

TypeCodeableConcept
6. EHDSSpecimen.type
Definition

The kind of material that forms the Specimen.

ShortThe kind of material that forms the Specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
8. EHDSSpecimen.specimenSource[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 device. Additional types of specimen may be allowed in implementations.

ShortWhere the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a device. Additional types of specimen may be allowed in implementations.
Control0..1
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSSpecimen.parentSpecimen
Definition

Specimen from which this specimen originated

ShortSpecimen from which this specimen originated
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
12. EHDSSpecimen.request
Definition

Why the specimen ws collected

ShortWhy the specimen ws collected
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
14. EHDSSpecimen.combined
Definition

This element signifies if the specimen is part of a group or pooled.

ShortThis element signifies if the specimen is part of a group or pooled.
Control0..1
Binding

HL7 specimen-combined

TypeCodeableConcept
16. EHDSSpecimen.collection
Definition

Collection details

ShortCollection details
Control0..*
TypeBase
18. EHDSSpecimen.collection.performer[x]
Definition

Person or organisation who collected the specimen

ShortPerson or organisation who collected the specimen
Control0..1
TypeChoice 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/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSSpecimen.collection.collected[x]
Definition

The period or date and time of specimen collection.

ShortThe period or date and time of specimen collection.
Control1..1
TypeChoice of: Period, dateTime
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
22. EHDSSpecimen.collection.quantity
Definition

The quantity of specimen collected

ShortThe quantity of specimen collected
Control0..1
TypeQuantity
24. EHDSSpecimen.collection.method
Definition

If relevant for the results, the method of obtaining the specimen.

ShortIf relevant for the results, the method of obtaining the specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
26. EHDSSpecimen.collection.device
Definition

Device used to perform specimen collection

ShortDevice used to perform specimen collection
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
28. EHDSSpecimen.collection.bodySite
Definition

Anatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left

ShortAnatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
30. EHDSSpecimen.receivedDate
Definition

Date and time when specimen is received by the testing laboratory.

ShortDate and time when specimen is received by the testing laboratory.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
32. EHDSSpecimen.container
Definition

The container holding the specimen.

ShortThe container holding the specimen.
Control0..*
TypeBase
34. EHDSSpecimen.container.specimenQuantity
Definition

Quantity of specimen within container

ShortQuantity of specimen within container
Control0..1
TypeQuantity
36. EHDSSpecimen.container.containerDevice
Definition

The device resource for the the container holding the specimen.

ShortThe device resource for the the container holding the specimen.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
38. EHDSSpecimen.condition
Definition

State of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.

ShortState of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.
Control0..*
Binding

HL7 specimenCondition

TypeCodeableConcept
40. EHDSSpecimen.note
Definition

To communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).

ShortTo communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

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

0. EHDSSpecimen
Definition

Model for a specimen to be used for analysis

ShortSpecimen model
Control0..*
Is Modifierfalse
Logical ModelInstances 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.

ShortAn 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.
NoteThis is a business identifier, not a resource identifier (see discussion)
Control1..*
TypeIdentifier
4. EHDSSpecimen.status
Definition

Availability of the specimen.

ShortAvailability of the specimen.
Control0..1
Binding

HL7 specimen-status

TypeCodeableConcept
6. EHDSSpecimen.type
Definition

The kind of material that forms the Specimen.

ShortThe kind of material that forms the Specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
8. EHDSSpecimen.specimenSource[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 device. Additional types of specimen may be allowed in implementations.

ShortWhere the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a device. Additional types of specimen may be allowed in implementations.
Control0..1
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSSpecimen.parentSpecimen
Definition

Specimen from which this specimen originated

ShortSpecimen from which this specimen originated
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
12. EHDSSpecimen.request
Definition

Why the specimen ws collected

ShortWhy the specimen ws collected
Control0..*
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
14. EHDSSpecimen.combined
Definition

This element signifies if the specimen is part of a group or pooled.

ShortThis element signifies if the specimen is part of a group or pooled.
Control0..1
Binding

HL7 specimen-combined

TypeCodeableConcept
16. EHDSSpecimen.collection
Definition

Collection details

ShortCollection details
Control0..*
TypeBase
18. EHDSSpecimen.collection.performer[x]
Definition

Person or organisation who collected the specimen

ShortPerson or organisation who collected the specimen
Control0..1
TypeChoice 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/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSSpecimen.collection.collected[x]
Definition

The period or date and time of specimen collection.

ShortThe period or date and time of specimen collection.
Control1..1
TypeChoice of: Period, dateTime
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
22. EHDSSpecimen.collection.quantity
Definition

The quantity of specimen collected

ShortThe quantity of specimen collected
Control0..1
TypeQuantity
24. EHDSSpecimen.collection.method
Definition

If relevant for the results, the method of obtaining the specimen.

ShortIf relevant for the results, the method of obtaining the specimen.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
26. EHDSSpecimen.collection.device
Definition

Device used to perform specimen collection

ShortDevice used to perform specimen collection
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
28. EHDSSpecimen.collection.bodySite
Definition

Anatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left

ShortAnatomic location (e.g. body location, laterality and other details) where the material is collected, e.g. Elbow, left
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
30. EHDSSpecimen.receivedDate
Definition

Date and time when specimen is received by the testing laboratory.

ShortDate and time when specimen is received by the testing laboratory.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
32. EHDSSpecimen.container
Definition

The container holding the specimen.

ShortThe container holding the specimen.
Control0..*
TypeBase
34. EHDSSpecimen.container.specimenQuantity
Definition

Quantity of specimen within container

ShortQuantity of specimen within container
Control0..1
TypeQuantity
36. EHDSSpecimen.container.containerDevice
Definition

The device resource for the the container holding the specimen.

ShortThe device resource for the the container holding the specimen.
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
38. EHDSSpecimen.condition
Definition

State of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.

ShortState of the specimen. State of the speeimen should be alligned with dataAbsentReason element of the Observatiom model.
Control0..*
Binding

HL7 specimenCondition

TypeCodeableConcept
40. EHDSSpecimen.note
Definition

To communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).

ShortTo communicate any details or issues about the specimen or during the specimen collection. (for example: broken vial, sent with patient, frozen).
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension