EHDS Logical Information Models
0.2.1 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.2.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/ and changes regularly. See the Directory of published versions

## Logical Model: EHDSObservation - Detailed Descriptions

Draft as of 2026-02-05

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 | Basic metadata for this information
Short | Basic metadata for this information
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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
Short | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSObservation.header.author[x]
Definition | Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.
Short | Author(s) responsible for the provided information.
Control | 0..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSObservation.header.date
Definition | Date and optionally time of authoring/issuing
Short | Date and optionally time of authoring/issuing
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
12. EHDSObservation.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Binding | HL7 Observation status
Type | CodeableConcept
14. EHDSObservation.header.source
Definition | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Short | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control | 0..1
Type | CodeableConcept
16. EHDSObservation.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
18. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSProcedure
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
20. 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
22. EHDSObservation.type
Definition | Observation type. Code and name representing the type of the observation using the agreed code systems.
Short | Observation type. Code and name representing the type of the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
24. EHDSObservation.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSObservation.method
Definition | Observation method (measurement principle) to obtain the result.
Short | Observation method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
28. EHDSObservation.specimen
Definition | Specimen used for this observation.
Short | Specimen used for this observation.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
30. 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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
32. 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.
Short | 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.
Control | 0..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
34. EHDSObservation.bodySite
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
36. EHDSObservation.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
38. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
40. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
42. EHDSObservation.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
44. EHDSObservation.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
46. EHDSObservation.result.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
48. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
50. EHDSObservation.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
52. EHDSObservation.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
54. EHDSObservation.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
56. EHDSObservation.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
58. EHDSObservation.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
60. EHDSObservation.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
62. EHDSObservation.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
64. 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
66. EHDSObservation.note
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
68. 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
70. 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
72. EHDSObservation.component.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
74. EHDSObservation.component.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
76. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
78. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
80. EHDSObservation.component.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
82. EHDSObservation.component.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
84. EHDSObservation.component.result.dataAbsentReason
Definition | Provides a reason why the expected value in the element component.value[x] is missing.
Short | Provides a reason why the expected value in the element component.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
86. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
88. EHDSObservation.component.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
90. EHDSObservation.component.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
92. EHDSObservation.component.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
94. EHDSObservation.component.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
96. EHDSObservation.component.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
98. EHDSObservation.component.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
100. EHDSObservation.component.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
102. 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
104. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSImagingStudy
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
106. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/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.type
Definition | Observation type. Code and name representing the type of the observation using the agreed code systems.
Short | Observation type. Code and name representing the type of the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
14. EHDSObservation.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
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.specimen
Definition | Specimen used for this observation.
Short | Specimen used for this observation.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
20. 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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
22. 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.
Short | 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.
Control | 0..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
24. EHDSObservation.bodySite
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
26. EHDSObservation.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
28. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
30. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
32. EHDSObservation.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
34. EHDSObservation.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
36. EHDSObservation.result.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
38. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
40. EHDSObservation.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
42. EHDSObservation.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
44. EHDSObservation.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
46. EHDSObservation.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
48. EHDSObservation.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
50. EHDSObservation.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
52. EHDSObservation.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
54. 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
56. EHDSObservation.note
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
58. 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
60. 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
62. EHDSObservation.component.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
64. EHDSObservation.component.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
66. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
68. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
70. EHDSObservation.component.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
72. EHDSObservation.component.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
74. EHDSObservation.component.result.dataAbsentReason
Definition | Provides a reason why the expected value in the element component.value[x] is missing.
Short | Provides a reason why the expected value in the element component.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
76. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
78. EHDSObservation.component.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
80. EHDSObservation.component.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
82. EHDSObservation.component.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
84. EHDSObservation.component.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
86. EHDSObservation.component.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
88. EHDSObservation.component.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
90. EHDSObservation.component.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
92. 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
94. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSImagingStudy
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
96. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/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 | Basic metadata for this information
Short | Basic metadata for this information
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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSObservation.header.identifier
Definition | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
Short | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSObservation.header.author[x]
Definition | Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.
Short | Author(s) responsible for the provided information.
Control | 0..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSObservation.header.date
Definition | Date and optionally time of authoring/issuing
Short | Date and optionally time of authoring/issuing
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
12. EHDSObservation.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Binding | HL7 Observation status
Type | CodeableConcept
14. EHDSObservation.header.source
Definition | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Short | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control | 0..1
Type | CodeableConcept
16. EHDSObservation.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
18. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatientAnimal, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLocation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSProcedure
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
20. 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
22. EHDSObservation.type
Definition | Observation type. Code and name representing the type of the observation using the agreed code systems.
Short | Observation type. Code and name representing the type of the observation using the agreed code systems.
Control | 1..1
Binding | LOINC, NPU, SNOMED CT
Type | CodeableConcept
24. EHDSObservation.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSObservation.method
Definition | Observation method (measurement principle) to obtain the result.
Short | Observation method
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
28. EHDSObservation.specimen
Definition | Specimen used for this observation.
Short | Specimen used for this observation.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen
30. 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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest
32. 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.
Short | 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.
Control | 0..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
34. EHDSObservation.bodySite
Definition | Anatomic location and laterality where the observation was performed.
Short | Anatomic location and laterality where the observation was performed.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
36. EHDSObservation.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
38. EHDSObservation.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
40. EHDSObservation.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
42. EHDSObservation.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
44. EHDSObservation.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
46. EHDSObservation.result.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
48. EHDSObservation.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
50. EHDSObservation.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
52. EHDSObservation.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
54. EHDSObservation.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
56. EHDSObservation.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
58. EHDSObservation.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
60. EHDSObservation.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
62. EHDSObservation.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
64. 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
66. EHDSObservation.note
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
68. 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
70. 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
72. EHDSObservation.component.originalName
Definition | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Short | Original (conventional) name of the observation as used in the local laboratory or clinical system.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
74. EHDSObservation.component.result
Definition | Result of the observation including text, numeric, coded, and other types of 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, coded, and other types of results of the measurement and measurement uncertainty. Content of the observation result will vary according to the type of the observation.
Control | 1..1
Type | Base
76. EHDSObservation.component.result.value[x]
Definition | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Short | Observation result value according to the type of observation. Model covers only most frequently used data types but other data types can be used as well. Text result value should be used only if coded result value is not expected otherwise use valueCodeableConcept.text. For Quantity, Range and Ratio, result units of the measurement should be provided.
Control | 0..1
Binding | UCUM for units, SNOMED CT for coded results
Type | Choice of: string, Quantity, Range, Ratio, 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
78. EHDSObservation.component.result.uncertainty
Definition | Measurement uncertainty information about the observation result.
Short | Measurement uncertainty type and interval if needed.
Control | 0..1
Type | Base
80. EHDSObservation.component.result.uncertainty.value
Definition | The numerical value of the measurement uncertainty.
Short | The numerical value of the measurement uncertainty.
Control | 1..1
Type | decimal
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
82. EHDSObservation.component.result.uncertainty.type
Definition | Probability Distribution Type for uncertainty
Short | Probability Distribution Type for uncertainty
Control | 0..1
Binding | HL7 ProbabilityDistributionType
Type | Coding
84. EHDSObservation.component.result.dataAbsentReason
Definition | Provides a reason why the expected value in the element component.value[x] is missing.
Short | Provides a reason why the expected value in the element component.value[x] is missing.
Control | 0..1
Binding | HL7 Data absent reason
Type | CodeableConcept
86. EHDSObservation.component.referenceRange
Definition | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the result.
Short | Reference range, multiple reference ranges of different types could by provided. Provides guide for interpretation of the 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
88. EHDSObservation.component.referenceRange.low
Definition | Low limit of the reference range.
Short | Low limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
90. EHDSObservation.component.referenceRange.high
Definition | High limit of the reference range.
Short | High limit of the reference range.
Control | 0..1
Binding | UCUM for units
Type | Quantity
92. EHDSObservation.component.referenceRange.normalValue
Definition | Normal value, if relevant for the reference range.
Short | Normal value, if relevant for the reference range.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
94. EHDSObservation.component.referenceRange.type
Definition | Type of reference range.
Short | Type of reference range.
Control | 0..1
Binding | HL7 Observation Reference Range Meaning Codes
Type | CodeableConcept
96. EHDSObservation.component.referenceRange.appliesTo
Definition | Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations.
Short | Codes to indicate the target population this reference range applies to.
Comments | Multiple appliesTo are interpreted as an "AND" of the target populations.
Control | 0..*
Binding | SNOMED CT, HL7 v3-Race
Type | CodeableConcept
98. EHDSObservation.component.referenceRange.age
Definition | Age range to which this reference range applies if applicable.
Short | Age range to which this reference range applies if applicable.
Control | 0..1
Binding | UCUM for units
Type | Range
100. EHDSObservation.component.referenceRange.text
Definition | Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".
Short | Text based reference range in an observation.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
102. 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
104. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSImagingStudy
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
106. 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: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSLaboratoryObservation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]