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/tree/stakeholder-consultation-D7-3 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.

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

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.
Short | Observation 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. EHDSObservation.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSObservation.header.subject
Definition | Patient/subject information
Short | Patient who is receiving health care. This patient might be different from the direct subject of the observation.
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSObservation.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSObservation.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice 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] Note | SeeChoice 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.
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This 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
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Binding | HL7 Observation status
Type | CodeableConcept
18. EHDSObservation.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[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
20. EHDSObservation.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSObservation.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This 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
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://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
Short | The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control | 0..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationDate[x]
Definition | Clinically relevant time or time period for the observation
Short | Clinically relevant time or time period for the observation
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
30. EHDSObservation.code
Definition | Code representing the observation using the agreed code systems.
Short | Observation code
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
32. EHDSObservation.originalName
Definition | Original (conventional) name of the observation
Short | Original (conventional) name of the observation
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
34. EHDSObservation.method
Definition | Observation method (measurement principle) to obtain the result.
Short | Observation method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
36. EHDSObservation.order
Definition | Identifies order and order placer this observation belongs to
Short | Identifies order and order placer this observation belongs to
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSObservation.performer
Definition | Performer
Short | Performer
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
40. EHDSObservation.anatomicLocation
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | https://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.
Short | 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.
Control | 0..1
Type | Base
44. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
48. EHDSObservation.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
50. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
52. EHDSObservation.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
54. EHDSObservation.resultDescription
Definition | Comments and narrative representation of the observation result and findings.
Short | Comments and narrative representation of the observation result and findings.
Control | 0..1
Type | string
Primitive Value | This 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).
Short | Component in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control | 0..*
Type | Base
58. EHDSObservation.component.code
Definition | Code representing the observation using the agreed code systems.
Short | Code representing the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
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.
Short | 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.
Control | 0..1
Type | Base
62. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
64. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
66. EHDSObservation.component.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
68. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
70. EHDSObservation.component.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
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.
Short | 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.
Control | 0..*
Type | Choice 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] Note | SeeChoice 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.
Short | References to the observation(s) that triggered the performance of this observation.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice 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.
Short | 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.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice 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
Short | Observation model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSObservation.header
4. EHDSObservation.header.subject
Short | Patient 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
Short | The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control | 0..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSObservation.observationDate[x]
Definition | Clinically relevant time or time period for the observation
Short | Clinically relevant time or time period for the observation
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
12. EHDSObservation.code
Definition | Code representing the observation using the agreed code systems.
Short | Observation code
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
14. EHDSObservation.originalName
Definition | Original (conventional) name of the observation
Short | Original (conventional) name of the observation
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.method
Definition | Observation method (measurement principle) to obtain the result.
Short | Observation method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
18. EHDSObservation.order
Definition | Identifies order and order placer this observation belongs to
Short | Identifies order and order placer this observation belongs to
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
20. EHDSObservation.performer
Definition | Performer
Short | Performer
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
22. EHDSObservation.anatomicLocation
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | https://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.
Short | 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.
Control | 0..1
Type | Base
26. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
28. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
30. EHDSObservation.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
32. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
34. EHDSObservation.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
36. EHDSObservation.resultDescription
Definition | Comments and narrative representation of the observation result and findings.
Short | Comments and narrative representation of the observation result and findings.
Control | 0..1
Type | string
Primitive Value | This 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).
Short | Component in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control | 0..*
Type | Base
40. EHDSObservation.component.code
Definition | Code representing the observation using the agreed code systems.
Short | Code representing the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
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.
Short | 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.
Control | 0..1
Type | Base
44. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
48. EHDSObservation.component.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
50. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
52. EHDSObservation.component.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
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.
Short | 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.
Control | 0..*
Type | Choice 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] Note | SeeChoice 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.
Short | References to the observation(s) that triggered the performance of this observation.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice 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.
Short | 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.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice 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
Short | Observation model
Control | 0..*
Is Modifier | false
Logical Model | Instances 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
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSObservation.header.subject
Definition | Patient/subject information
Short | Patient who is receiving health care. This patient might be different from the direct subject of the observation.
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSObservation.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSObservation.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice 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] Note | SeeChoice 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.
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This 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
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSObservation.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Binding | HL7 Observation status
Type | CodeableConcept
18. EHDSObservation.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[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
20. EHDSObservation.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSObservation.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This 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
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://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
Short | The direct subject of the observation if different from the patient (subject of care), e.g. an observation of an implanted device
Control | 0..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationDate[x]
Definition | Clinically relevant time or time period for the observation
Short | Clinically relevant time or time period for the observation
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
30. EHDSObservation.code
Definition | Code representing the observation using the agreed code systems.
Short | Observation code
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
32. EHDSObservation.originalName
Definition | Original (conventional) name of the observation
Short | Original (conventional) name of the observation
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
34. EHDSObservation.method
Definition | Observation method (measurement principle) to obtain the result.
Short | Observation method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
36. EHDSObservation.order
Definition | Identifies order and order placer this observation belongs to
Short | Identifies order and order placer this observation belongs to
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSObservation.performer
Definition | Performer
Short | Performer
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
40. EHDSObservation.anatomicLocation
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | https://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.
Short | 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.
Control | 0..1
Type | Base
44. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
46. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
48. EHDSObservation.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
50. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
52. EHDSObservation.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
54. EHDSObservation.resultDescription
Definition | Comments and narrative representation of the observation result and findings.
Short | Comments and narrative representation of the observation result and findings.
Control | 0..1
Type | string
Primitive Value | This 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).
Short | Component in case the observation consists of multiple sub-observations (e.g. blood pressure).
Control | 0..*
Type | Base
58. EHDSObservation.component.code
Definition | Code representing the observation using the agreed code systems.
Short | Code representing the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
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.
Short | 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.
Control | 0..1
Type | Base
62. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation
Short | Observation result value according to the type of observation
Control | 1..1
Type | Choice of: string, Quantity, Range, CodeableConcept
[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
64. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty type and interval if needed.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
66. EHDSObservation.component.dataAbsentReason
Definition | Provides a reason why the expected value in the element Observation.value[x] is missing.
Short | Provides a reason why the expected value in the element Observation.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
68. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types culd by provided. Provides guide for interpretation of result.
Short | Reference 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.
Control | 0..*
Type | Base
70. EHDSObservation.component.interpretation
Definition | Information about reference intervals and result interpretation.
Short | Information about reference intervals and result interpretation.
Control | 0..*
Binding | SNOMED CT, HL7 ObservationInterpretation
Type | CodeableConcept
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.
Short | 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.
Control | 0..*
Type | Choice 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] Note | SeeChoice 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.
Short | References to the observation(s) that triggered the performance of this observation.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice 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.
Short | 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.
Control | 0..*
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]