Xt-EHR
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Xt-EHR, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/ and changes regularly. See the Directory of published versions

Logical Model: EHDSObservation - Detailed Descriptions

Draft as of 2024-11-13

Definitions for the EHDSObservation logical model.

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

0. EHDSObservation
Definition

C.10 - EHDS refined base model for Observation information

ShortObservation (model)
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSObservation.observationDate
Definition

Date and time of the observation

ShortC.10.1 - Observation date
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
4. EHDSObservation.observationCode
Definition

Code representing the observation using the agreed code systems.

ShortC.10.2 - Observation code
Control1..1
Binding

SNOMED CT

TypeCodeableConcept
6. EHDSObservation.observationName
Definition

Full name of the observation according to the used test coding standard.

ShortC.10.3 - Observation name
Control1..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. EHDSObservation.observationOriginalName
Definition

Original (conventional) name of the observation 

ShortC.10.4 - Observation original name
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSObservation.observationMethod
Definition

Observation method (measurement principle) to obtain the result.

ShortC.10.5 - Observation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
12. EHDSObservation.observationDevice
Definition

Device (e.g. analyser) that generates the measurements

ShortC.10.6 - Observation device
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
14. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to. 

ShortC.10.7 - Order
Control0..1
TypeReference(Service request (model))
16. EHDSObservation.performer[x]
Definition

Identifies the originator/author and provides provenance information about the source of the results data that may have not originated with the source of the whole Laboratory Report document. 

ShortC.10.8 - Performer
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
18. EHDSObservation.reporter[x]
Definition

With certain observation results, e.g. there may also be an interpreter or a person responsible for validation.

ShortC.10.9 - Reporter
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSObservation.observationResult
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.

ShortC.10.10 - Observation result
Control1..1
TypeBase
22. EHDSObservation.observationResult.textualResult
Definition

Narrative text result

ShortC.10.10.1 - Textual Result
Control0..1
TypeNarrative
24. EHDSObservation.observationResult.numericResult
Definition

A numeric value or interval (open or closed) of the result, result units of the measurement should be provided Measurement uncertainty interval are provided if needed.

ShortC.10.10.2 - Numeric Result
Control0..1
TypeBase
26. EHDSObservation.observationResult.numericResult.numericValue[x]
Definition

A numeric value or interval (open or closed) of the result

ShortC.10.10.2.1 - Numeric value
Control0..1
TypeChoice of: Quantity, Range
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationResult.numericResult.units
Definition

Result units of the measurement

ShortC.10.10.2.2 - Units
Control0..1
Binding

UCUM

TypeCodeableConcept
30. EHDSObservation.observationResult.numericResult.uncertainty
Definition

Measurement uncertainty type and interval should be provided if needed.

ShortC.10.10.2.3 - Uncertainty
Control0..1
TypeBase
32. EHDSObservation.observationResult.codedResult
Definition

A coded result from a selected coding system(s). This could be a code describing bacteria or other microorganism identified, description of urinary concernment, code explaining technical reason why the test could not be done etc.

ShortC.10.10.3 - Coded Result
Control0..1
Binding

SNOMED CT (for ordinal or nominal scale results and result interpretation)UCUM (for units)

TypeCodeableConcept
34. EHDSObservation.dataabsentreason
Definition

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

ShortC.10.11 - dataAbsentReason
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
36. EHDSObservation.referenceRange
Definition

Reference range, multilple reference ranges of different types culd by providedProvides guide for interpretation of result. Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

ShortC.10.12 - Reference range
Control0..*
TypeBase
38. EHDSObservation.observationInterpretation
Definition

Information about reference intervals and result interpretation.

ShortC.10.13 - Observation interpretation
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
40. EHDSObservation.triggeredBy[x]
Definition

Identifies the observation(s) that triggered the performance of this observation.

ShortC.10.14 - Triggered by
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
42. 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.

ShortC.10.15 - Has member
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
44. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortC.10.16 - Result description
Control0..1
TypeNarrative
46. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation should be or was performed.

ShortC.10.17 - Anatomic location
Control0..1
Binding

SNOMED CT

TypeCodeableConcept

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

0. EHDSObservation
Definition

C.10 - EHDS refined base model for Observation information


Base definition for all types defined in FHIR type system.

ShortObservation (model)Base for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSObservation.observationDate
Definition

Date and time of the observation

ShortC.10.1 - Observation date
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
4. EHDSObservation.observationCode
Definition

Code representing the observation using the agreed code systems.

ShortC.10.2 - Observation code
Control1..1
Binding

SNOMED CT

TypeCodeableConcept
6. EHDSObservation.observationName
Definition

Full name of the observation according to the used test coding standard.

ShortC.10.3 - Observation name
Control1..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. EHDSObservation.observationOriginalName
Definition

Original (conventional) name of the observation 

ShortC.10.4 - Observation original name
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSObservation.observationMethod
Definition

Observation method (measurement principle) to obtain the result.

ShortC.10.5 - Observation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
12. EHDSObservation.observationDevice
Definition

Device (e.g. analyser) that generates the measurements

ShortC.10.6 - Observation device
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
14. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to. 

ShortC.10.7 - Order
Control0..1
TypeReference(Service request (model))
16. EHDSObservation.performer[x]
Definition

Identifies the originator/author and provides provenance information about the source of the results data that may have not originated with the source of the whole Laboratory Report document. 

ShortC.10.8 - Performer
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
18. EHDSObservation.reporter[x]
Definition

With certain observation results, e.g. there may also be an interpreter or a person responsible for validation.

ShortC.10.9 - Reporter
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSObservation.observationResult
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.

ShortC.10.10 - Observation result
Control1..1
TypeBase
22. EHDSObservation.observationResult.textualResult
Definition

Narrative text result

ShortC.10.10.1 - Textual Result
Control0..1
TypeNarrative
24. EHDSObservation.observationResult.numericResult
Definition

A numeric value or interval (open or closed) of the result, result units of the measurement should be provided Measurement uncertainty interval are provided if needed.

ShortC.10.10.2 - Numeric Result
Control0..1
TypeBase
26. EHDSObservation.observationResult.numericResult.numericValue[x]
Definition

A numeric value or interval (open or closed) of the result

ShortC.10.10.2.1 - Numeric value
Control0..1
TypeChoice of: Quantity, Range
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationResult.numericResult.units
Definition

Result units of the measurement

ShortC.10.10.2.2 - Units
Control0..1
Binding

UCUM

TypeCodeableConcept
30. EHDSObservation.observationResult.numericResult.uncertainty
Definition

Measurement uncertainty type and interval should be provided if needed.

ShortC.10.10.2.3 - Uncertainty
Control0..1
TypeBase
32. EHDSObservation.observationResult.codedResult
Definition

A coded result from a selected coding system(s). This could be a code describing bacteria or other microorganism identified, description of urinary concernment, code explaining technical reason why the test could not be done etc.

ShortC.10.10.3 - Coded Result
Control0..1
Binding

SNOMED CT (for ordinal or nominal scale results and result interpretation)UCUM (for units)

TypeCodeableConcept
34. EHDSObservation.dataabsentreason
Definition

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

ShortC.10.11 - dataAbsentReason
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
36. EHDSObservation.referenceRange
Definition

Reference range, multilple reference ranges of different types culd by providedProvides guide for interpretation of result. Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

ShortC.10.12 - Reference range
Control0..*
TypeBase
38. EHDSObservation.observationInterpretation
Definition

Information about reference intervals and result interpretation.

ShortC.10.13 - Observation interpretation
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
40. EHDSObservation.triggeredBy[x]
Definition

Identifies the observation(s) that triggered the performance of this observation.

ShortC.10.14 - Triggered by
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
42. 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.

ShortC.10.15 - Has member
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
44. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortC.10.16 - Result description
Control0..1
TypeNarrative
46. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation should be or was performed.

ShortC.10.17 - Anatomic location
Control0..1
Binding

SNOMED CT

TypeCodeableConcept

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

0. EHDSObservation
Definition

C.10 - EHDS refined base model for Observation information

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

Date and time of the observation

ShortC.10.1 - Observation date
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
4. EHDSObservation.observationCode
Definition

Code representing the observation using the agreed code systems.

ShortC.10.2 - Observation code
Control1..1
Binding

SNOMED CT

TypeCodeableConcept
6. EHDSObservation.observationName
Definition

Full name of the observation according to the used test coding standard.

ShortC.10.3 - Observation name
Control1..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. EHDSObservation.observationOriginalName
Definition

Original (conventional) name of the observation 

ShortC.10.4 - Observation original name
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSObservation.observationMethod
Definition

Observation method (measurement principle) to obtain the result.

ShortC.10.5 - Observation method
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
12. EHDSObservation.observationDevice
Definition

Device (e.g. analyser) that generates the measurements

ShortC.10.6 - Observation device
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
14. EHDSObservation.order
Definition

Identifies order and order placer this observation belongs to. 

ShortC.10.7 - Order
Control0..1
TypeReference(Service request (model))
16. EHDSObservation.performer[x]
Definition

Identifies the originator/author and provides provenance information about the source of the results data that may have not originated with the source of the whole Laboratory Report document. 

ShortC.10.8 - Performer
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
18. EHDSObservation.reporter[x]
Definition

With certain observation results, e.g. there may also be an interpreter or a person responsible for validation.

ShortC.10.9 - Reporter
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
20. EHDSObservation.observationResult
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.

ShortC.10.10 - Observation result
Control1..1
TypeBase
22. EHDSObservation.observationResult.textualResult
Definition

Narrative text result

ShortC.10.10.1 - Textual Result
Control0..1
TypeNarrative
24. EHDSObservation.observationResult.numericResult
Definition

A numeric value or interval (open or closed) of the result, result units of the measurement should be provided Measurement uncertainty interval are provided if needed.

ShortC.10.10.2 - Numeric Result
Control0..1
TypeBase
26. EHDSObservation.observationResult.numericResult.numericValue[x]
Definition

A numeric value or interval (open or closed) of the result

ShortC.10.10.2.1 - Numeric value
Control0..1
TypeChoice of: Quantity, Range
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
28. EHDSObservation.observationResult.numericResult.units
Definition

Result units of the measurement

ShortC.10.10.2.2 - Units
Control0..1
Binding

UCUM

TypeCodeableConcept
30. EHDSObservation.observationResult.numericResult.uncertainty
Definition

Measurement uncertainty type and interval should be provided if needed.

ShortC.10.10.2.3 - Uncertainty
Control0..1
TypeBase
32. EHDSObservation.observationResult.codedResult
Definition

A coded result from a selected coding system(s). This could be a code describing bacteria or other microorganism identified, description of urinary concernment, code explaining technical reason why the test could not be done etc.

ShortC.10.10.3 - Coded Result
Control0..1
Binding

SNOMED CT (for ordinal or nominal scale results and result interpretation)UCUM (for units)

TypeCodeableConcept
34. EHDSObservation.dataabsentreason
Definition

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

ShortC.10.11 - dataAbsentReason
Control0..1
Binding

HL7 Data absent reason

TypeCodeableConcept
36. EHDSObservation.referenceRange
Definition

Reference range, multilple reference ranges of different types culd by providedProvides guide for interpretation of result. Reference ranges are usually implied only for a numeric scale type. Use of the same units for reference range and value is implied.

ShortC.10.12 - Reference range
Control0..*
TypeBase
38. EHDSObservation.observationInterpretation
Definition

Information about reference intervals and result interpretation.

ShortC.10.13 - Observation interpretation
Control0..*
Binding

SNOMED CT, HL7 ObservationInterpretation

TypeCodeableConcept
40. EHDSObservation.triggeredBy[x]
Definition

Identifies the observation(s) that triggered the performance of this observation.

ShortC.10.14 - Triggered by
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
42. 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.

ShortC.10.15 - Has member
Control0..*
TypeChoice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
44. EHDSObservation.resultDescription
Definition

Comments and narrative representation of the observation result and findings.

ShortC.10.16 - Result description
Control0..1
TypeNarrative
46. EHDSObservation.anatomicLocation
Definition

Anatomic location and laterality where the observation should be or was performed.

ShortC.10.17 - Anatomic location
Control0..1
Binding

SNOMED CT

TypeCodeableConcept