EHDS Logical Information Models
0.1.0 - ci-build

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.1.0 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: EHDSObservation - Detailed Descriptions

Draft as of 2025-08-25

Definitions for the EHDSObservation logical model.

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

0. EHDSObservation
Definition

EHDS refined base model for Observation information


Base definition for all types defined in FHIR type system.

ShortObservation 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. EHDSObservation.header
Definition

Common header for all patient-related data

ShortCommon header for all patient-related data
Control1..1
TypeBase
4. EHDSObservation.header.subject
Definition

Patient/subject information

ShortPatient who is receiving health care. This patient might be different from the direct subject of the observation.
Control1..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition

Business identifier for the object

ShortBusiness identifier for the object
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSObservation.header.authorship
Definition

Resource authoring details

ShortAuthorship
Control1..*
TypeBase
10. EHDSObservation.header.authorship.author[x]
Definition

Author(s) by whom the resource was/were authored. Multiple authors could be provided.

ShortAuthor
Control1..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
12. EHDSObservation.header.authorship.datetime
Definition

Date and time of the issuing the document/resource by its author.

ShortDate and time of authoring/issuing
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
14. EHDSObservation.header.lastUpdate
Definition

Date and time of the last update to the document/information

ShortDate and time of the last update to the resource
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.header.status
Definition

Status of the resource

ShortStatus of the resource
Control1..1
Binding

HL7 Observation status

TypeCodeableConcept
18. EHDSObservation.header.statusReason[x]
Definition

Reason for the current status of the resource.

ShortReason for the current status of the resource.
Control0..1
TypeChoice of: CodeableConcept, string
[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
20. EHDSObservation.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage
Control0..1
Binding

BCP 47

TypeCodeableConcept
22. EHDSObservation.header.version
Definition

Business version of the resource.

ShortVersion
NoteThis is a business version Id, not a resource version Id (see discussion)
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
24. EHDSObservation.presentedForm
Definition

A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document

ShortA narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSObservation.header.directSubject[x]
Definition

The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device

ShortThe direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatientAnimal, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLocation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationDate[x]
Definition

Clinically relevant time or time period for the observation

ShortClinically relevant time or time period for the observation
Control1..1
TypeChoice of: dateTime, Period
[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
30. EHDSObservation.code
Definition

Code representing the observation using the agreed code systems.

ShortObservation code
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
32. EHDSObservation.originalName
Definition

Original (conventional) name of the observation

ShortOriginal (conventional) name of the observation
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
34. EHDSObservation.method
Definition

Observation method (measurement principle) to obtain the result.

ShortObservation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
36. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to

ShortIdentifies order and order placer this observation belongs to
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSObservation.performer[x]
Definition

Performer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.

ShortPerformer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
40. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation was performed.

ShortAnatomic location and laterality where the observation was performed.
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
42. EHDSObservation.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
44. EHDSObservation.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
Binding

UCUM for units, SNOMED CT for coded results

TypeChoice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
48. EHDSObservation.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
50. EHDSObservation.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
52. EHDSObservation.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
54. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortComments and narrative representation of the observation result and findings.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
56. EHDSObservation.component
Definition

Component in case the observation consists of multiple sub-observations (e.g. blood pressure).

ShortComponent in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control0..*
TypeBase
58. EHDSObservation.component.code
Definition

Code representing the observation using the agreed code systems.

ShortCode representing the observation using the agreed code systems.
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
60. EHDSObservation.component.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
62. EHDSObservation.component.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
TypeChoice of: string, Quantity, Range, CodeableConcept
[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
64. EHDSObservation.component.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
66. EHDSObservation.component.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
68. EHDSObservation.component.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
70. EHDSObservation.component.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
72. EHDSObservation.derivedFrom[x]
Definition

Reference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.

ShortReference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImagingStudy
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
74. EHDSObservation.triggeredBy[x]
Definition

References to the observation(s) that triggered the performance of this observation.

ShortReferences to the observation(s) that triggered the performance of this observation.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
76. EHDSObservation.hasMember[x]
Definition

This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.

ShortThis observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]

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

0. EHDSObservation
Definition

EHDS refined base model for Observation information

ShortObservation model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSObservation.header
4. EHDSObservation.header.subject
ShortPatient who is receiving health care. This patient might be different from the direct subject of the observation.
6. EHDSObservation.header.status
Binding

HL7 Observation status

8. EHDSObservation.header.directSubject[x]
Definition

The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device

ShortThe direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatientAnimal, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLocation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSObservation.observationDate[x]
Definition

Clinically relevant time or time period for the observation

ShortClinically relevant time or time period for the observation
Control1..1
TypeChoice of: dateTime, Period
[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
12. EHDSObservation.code
Definition

Code representing the observation using the agreed code systems.

ShortObservation code
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
14. EHDSObservation.originalName
Definition

Original (conventional) name of the observation

ShortOriginal (conventional) name of the observation
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.method
Definition

Observation method (measurement principle) to obtain the result.

ShortObservation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
18. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to

ShortIdentifies order and order placer this observation belongs to
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
20. EHDSObservation.performer[x]
Definition

Performer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.

ShortPerformer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
22. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation was performed.

ShortAnatomic location and laterality where the observation was performed.
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
24. EHDSObservation.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
26. EHDSObservation.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
Binding

UCUM for units, SNOMED CT for coded results

TypeChoice of: string, Quantity, Range, CodeableConcept
[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
28. EHDSObservation.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
30. EHDSObservation.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
32. EHDSObservation.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
34. EHDSObservation.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
36. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortComments and narrative representation of the observation result and findings.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
38. EHDSObservation.component
Definition

Component in case the observation consists of multiple sub-observations (e.g. blood pressure).

ShortComponent in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control0..*
TypeBase
40. EHDSObservation.component.code
Definition

Code representing the observation using the agreed code systems.

ShortCode representing the observation using the agreed code systems.
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
42. EHDSObservation.component.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
44. EHDSObservation.component.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
TypeChoice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.component.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
48. EHDSObservation.component.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
50. EHDSObservation.component.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
52. EHDSObservation.component.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
54. EHDSObservation.derivedFrom[x]
Definition

Reference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.

ShortReference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImagingStudy
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
56. EHDSObservation.triggeredBy[x]
Definition

References to the observation(s) that triggered the performance of this observation.

ShortReferences to the observation(s) that triggered the performance of this observation.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
58. EHDSObservation.hasMember[x]
Definition

This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.

ShortThis observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]

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

0. EHDSObservation
Definition

EHDS refined base model for Observation information

ShortObservation model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSObservation.header
Definition

Common header for all patient-related data

ShortCommon header for all patient-related data
Control1..1
TypeBase
4. EHDSObservation.header.subject
Definition

Patient/subject information

ShortPatient who is receiving health care. This patient might be different from the direct subject of the observation.
Control1..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition

Business identifier for the object

ShortBusiness identifier for the object
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSObservation.header.authorship
Definition

Resource authoring details

ShortAuthorship
Control1..*
TypeBase
10. EHDSObservation.header.authorship.author[x]
Definition

Author(s) by whom the resource was/were authored. Multiple authors could be provided.

ShortAuthor
Control1..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
12. EHDSObservation.header.authorship.datetime
Definition

Date and time of the issuing the document/resource by its author.

ShortDate and time of authoring/issuing
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
14. EHDSObservation.header.lastUpdate
Definition

Date and time of the last update to the document/information

ShortDate and time of the last update to the resource
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.header.status
Definition

Status of the resource

ShortStatus of the resource
Control1..1
Binding

HL7 Observation status

TypeCodeableConcept
18. EHDSObservation.header.statusReason[x]
Definition

Reason for the current status of the resource.

ShortReason for the current status of the resource.
Control0..1
TypeChoice of: CodeableConcept, string
[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
20. EHDSObservation.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage
Control0..1
Binding

BCP 47

TypeCodeableConcept
22. EHDSObservation.header.version
Definition

Business version of the resource.

ShortVersion
NoteThis is a business version Id, not a resource version Id (see discussion)
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
24. EHDSObservation.presentedForm
Definition

A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document

ShortA narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSObservation.header.directSubject[x]
Definition

The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device

ShortThe direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatientAnimal, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLocation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationDate[x]
Definition

Clinically relevant time or time period for the observation

ShortClinically relevant time or time period for the observation
Control1..1
TypeChoice of: dateTime, Period
[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
30. EHDSObservation.code
Definition

Code representing the observation using the agreed code systems.

ShortObservation code
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
32. EHDSObservation.originalName
Definition

Original (conventional) name of the observation

ShortOriginal (conventional) name of the observation
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
34. EHDSObservation.method
Definition

Observation method (measurement principle) to obtain the result.

ShortObservation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
36. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to

ShortIdentifies order and order placer this observation belongs to
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSObservation.performer[x]
Definition

Performer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.

ShortPerformer of the observation. Some test could be performed by the patient himself or by a care giver. Those are in the scope of this deliverable under specified conditions.
Control0..1
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
40. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation was performed.

ShortAnatomic location and laterality where the observation was performed.
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
42. EHDSObservation.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
44. EHDSObservation.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
Binding

UCUM for units, SNOMED CT for coded results

TypeChoice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
48. EHDSObservation.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
50. EHDSObservation.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
52. EHDSObservation.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
54. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortComments and narrative representation of the observation result and findings.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
56. EHDSObservation.component
Definition

Component in case the observation consists of multiple sub-observations (e.g. blood pressure).

ShortComponent in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control0..*
TypeBase
58. EHDSObservation.component.code
Definition

Code representing the observation using the agreed code systems.

ShortCode representing the observation using the agreed code systems.
Control1..1
Binding

LOINC, NPU, SNOMED CT

TypeCodeableConcept
60. EHDSObservation.component.result
Definition

Result of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.

ShortResult of the observation including text, numeric and coded results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control0..1
TypeBase
62. EHDSObservation.component.result.value[x]
Definition

Observation result value according to the type of observation

ShortObservation result value according to the type of observation
Control1..1
TypeChoice of: string, Quantity, Range, CodeableConcept
[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
64. EHDSObservation.component.result.uncertainty
Definition

Measurement uncertainty type and interval if needed.

ShortMeasurement uncertainty type and interval if needed.
Control0..1
TypeBase
66. EHDSObservation.component.dataAbsentReason
Definition

Provides a reason why the expected value in the element Observation.value[x] is missing.

ShortProvides a reason why the expected value in the element Observation.value[x] is missing.
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
68. EHDSObservation.component.referenceRange
Definition

Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.

ShortReference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Comments

Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

Control0..*
TypeBase
70. EHDSObservation.component.interpretation
Definition

Information about reference intervals and result interpretation.

ShortInformation about reference intervals and result interpretation.
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
72. EHDSObservation.derivedFrom[x]
Definition

Reference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.

ShortReference to the related resource from which the observation has been made. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImagingStudy
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
74. EHDSObservation.triggeredBy[x]
Definition

References to the observation(s) that triggered the performance of this observation.

ShortReferences to the observation(s) that triggered the performance of this observation.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
76. EHDSObservation.hasMember[x]
Definition

This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.

ShortThis observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]