臺灣長期照顧實作指引(TW LTC IG), published by 經濟部產業發展署. This guide is not an authorized publication; it is the continuous build for version 1.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Lorex/TWLongTermCare_IG_Build/ and changes regularly. See the Directory of published versions
Resource Profile: 身體組成分析儀－身體質量指數
| Official URL: http://ltc-ig.fhir.tw/StructureDefinition/PASportObservationBodyMassIndex | Version: 1.1.0 | |||
| Active as of 2026-10-30 | Computable Name: PASportObservationBodyMassIndex | |||
此 Profile 說明本 IG 如何進一步定義 FHIR 的 Observation Resource，以呈現身體組成分析儀中涉及之BMI資料。
Usages:
- Examples for this Profile: Observation/pasport-observation-bmi-example
You can also check for usages in the FHIR IG Statistics
Formal Views of Profile Content
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:  |
|---|---|---|---|---|
  Observation |
C | 0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile Constraints: obs-6, obs-7, vs-2 |
  implicitRules |
0..1 | uri | A set of rules under which this content was created | |
 modifierExtension |
0..* | Extension | Extensions that cannot be ignored | |
| status |
1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | |
  Slices for category |
1..* | CodeableConcept | Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | |
   category:VSCat |
1..1 | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |
   coding |
1..* | Coding | Code defined by a terminology system | |
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category (no extensions allowed) | |
 code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: vital-signs (no extensions allowed) | |
| code |
1..1 | CodeableConceptTW  |
身體質量指數(BMI) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |
 Slices for coding |
1..1 | Coding | Code defined by a terminology system Slice: Unordered, Open by value:code, value:system | |
| coding:BMICode |
1..1 | Coding | Code defined by a terminology system | |
 system |
1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org (no extensions allowed) | |
 code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: 39156-5 (no extensions allowed) | |
 subject |
1..1 | Reference(TW Core Patient) | Who and/or what the observation is about | |
 effective[x] |
C | 1..1 | Often just a dateTime for Vital Signs Constraints: vs-1 | |
| effectiveDateTime |
dateTime | |||
| effectivePeriod |
Period | |||
| Slices for value[x] |
C | 0..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them |
| value[x]:valueQuantity |
C | 1..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| comparator |
0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. | |
| unit |
1..1 | string | Unit representation | |
| system |
C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org (no extensions allowed) |
| code |
1..1 | code | Coded responses from the common UCUM units for vital signs value set. Fixed Value: kg/m2 (no extensions allowed) | |
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. |
| component |
C | 0..* | BackboneElement | Used when reporting systolic and diastolic blood pressure. Constraints: vs-3 |
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |
| code |
1..1 | CodeableConcept | Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |
| value[x] |
C | 0..1 | Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. | |
| valueQuantity |
Quantity | |||
| valueCodeableConcept |
CodeableConcept | |||
| valueString |
string | |||
| valueBoolean |
boolean | |||
| valueInteger |
integer | |||
| valueRange |
Range | |||
| valueRatio |
Ratio | |||
| valueSampledData |
SampledData | |||
| valueTime |
time | |||
| valueDateTime |
dateTime | |||
| valuePeriod |
Period | |||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. |
| Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.category:VSCat | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.value[x]:valueQuantity.comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std. |
| Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.component.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.component.value[x] | Base | extensible | Vital Signs Units | 📍4.0.1 | FHIR Std. |
| Observation.component.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources |
contained.contained.empty()
|
| dom-3 | error | Observation | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource |
contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
|
| dom-4 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated |
contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
|
| dom-5 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a security label |
contained.meta.security.empty()
|
| dom-6 | best practice | Observation | A resource should have narrative for robust management |
text.`div`.exists()
|
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present |
dataAbsentReason.empty() or value.empty()
|
| obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present |
value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
|
| vs-1 | error | Observation.effective[x] | if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day |
$this is dateTime implies $this.toString().length() >= 10
|
| vs-2 | error | Observation | If there is no component or hasMember element then either a value[x] or a data absent reason must be present. |
(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
|
| vs-3 | error | Observation.component | If there is no a value a data absent reason must be present |
value.exists() or dataAbsentReason.exists()
|
This structure is derived from TWCoreObservationBMI
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Observation |
0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||
|---|---|---|---|---|---|---|---|---|
| Observation |
C | 0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile Constraints: obs-6, obs-7, vs-2 | ||||
| id |
0..1 | id | Logical id of this artifact | |||||
| meta |
0..1 | Meta | Metadata about the resource | |||||
| implicitRules |
0..1 | uri | A set of rules under which this content was created | |||||
| language |
0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
| |||||
| text |
0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements | |||||
| contained |
0..* | Resource | Contained, inline Resources | |||||
 extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored | |||||
| identifier |
0..* | Identifier | Business Identifier for observation | |||||
| basedOn |
0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | |||||
| partOf |
0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | |||||
| status |
1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | |||||
| Slices for category |
1..* | CodeableConcept | Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | |||||
| category:VSCat |
1..1 | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
 coding |
1..* | Coding | Code defined by a terminology system | |||||
 id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category (no extensions allowed) | |||||
| version |
0..1 | string | Version of the system - if relevant | |||||
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: vital-signs (no extensions allowed) | |||||
| display |
0..1 | string | Representation defined by the system | |||||
| userSelected |
0..1 | boolean | If this coding was chosen directly by the user | |||||
| text |
0..1 | string | Plain text representation of the concept | |||||
| code |
1..1 | CodeableConceptTW |
身體質量指數(BMI) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| Slices for coding |
1..1 | Coding | Code defined by a terminology system Slice: Unordered, Open by value:code, value:system | |||||
| coding:BMICode |
1..1 | Coding | Code defined by a terminology system | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org (no extensions allowed) | |||||
| version |
0..1 | string | Version of the system - if relevant | |||||
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: 39156-5 (no extensions allowed) | |||||
| display |
0..1 | string | Representation defined by the system | |||||
| userSelected |
0..1 | boolean | If this coding was chosen directly by the user | |||||
| text |
0..1 | string | Plain text representation of the concept | |||||
| subject |
1..1 | Reference(TW Core Patient) | Who and/or what the observation is about | |||||
| focus |
0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | |||||
| encounter |
0..1 | Reference(TW Core Encounter) | Healthcare event during which this observation is made | |||||
| effective[x] |
C | 1..1 | Often just a dateTime for Vital Signs Constraints: vs-1 | |||||
| effectiveDateTime |
dateTime | |||||||
| effectivePeriod |
Period | |||||||
| issued |
0..1 | instant | Date/Time this version was made available | |||||
| performer |
0..* | Reference(TW Core Practitioner | TW Core PractitionerRole | TW Core Organization | TW Core CareTeam | TW Core Patient | TW Core RelatedPerson) | Who is responsible for the observation | |||||
| Slices for value[x] |
C | 0..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||||
| value[x]:valueQuantity |
C | 1..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| value |
1..1 | decimal | Numerical value (with implicit precision) | |||||
| comparator |
0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. | |||||
| unit |
1..1 | string | Unit representation | |||||
| system |
C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org (no extensions allowed) | ||||
| code |
1..1 | code | Coded responses from the common UCUM units for vital signs value set. Fixed Value: kg/m2 (no extensions allowed) | |||||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
| interpretation |
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
| note |
0..* | Annotation | Comments about the observation | |||||
| bodySite |
0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible) | |||||
| method |
0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible) | |||||
| specimen |
0..1 | Reference(TW Core Specimen) | Specimen used for this observation | |||||
| device |
0..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |||||
| referenceRange |
C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3 | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |||||
| low |
C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant Constraints: sqty-1 | ||||
| high |
C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant Constraints: sqty-1 | ||||
| type |
0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range. | |||||
| appliesTo |
0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to. | |||||
| age |
0..1 | Range | Applicable age range, if relevant | |||||
| text |
0..1 | string | Text based reference range in an observation | |||||
| hasMember |
0..* | Reference(TW Core QuestionnaireResponse | MolecularSequence | TW Core Observation Vital Signs) | Used when reporting vital signs panel components | |||||
| derivedFrom |
0..* | Reference(TW Core DocumentReference | TW Core ImagingStudy | TW Core Media | TW Core QuestionnaireResponse | TW Core Observation Vital Signs | MolecularSequence) | Related measurements the observation is made from | |||||
| component |
C | 0..* | BackboneElement | Used when reporting systolic and diastolic blood pressure. Constraints: vs-3 | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |||||
| code |
1..1 | CodeableConcept | Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |||||
| value[x] |
C | 0..1 | Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. | |||||
| valueQuantity |
Quantity | |||||||
| valueCodeableConcept |
CodeableConcept | |||||||
| valueString |
string | |||||||
| valueBoolean |
boolean | |||||||
| valueInteger |
integer | |||||||
| valueRange |
Range | |||||||
| valueRatio |
Ratio | |||||||
| valueSampledData |
SampledData | |||||||
| valueTime |
time | |||||||
| valueDateTime |
dateTime | |||||||
| valuePeriod |
Period | |||||||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
| interpretation |
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
 referenceRange |
0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
| Documentation for this format | ||||||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Observation.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std. |
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. |
| Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.category:VSCat | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.value[x]:valueQuantity.comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std. |
| Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std. |
| Observation.bodySite | Base | extensible | SNOMED CT Body Structures | 📦4.0.1 | FHIR Std. |
| Observation.method | Base | extensible | Observation Methods | 📦4.0.1 | FHIR Std. |
| Observation.referenceRange.type | Base | preferred | Observation Reference Range Meaning Codes | 📍4.0.1 | FHIR Std. |
| Observation.referenceRange.appliesTo | Base | example | Observation Reference Range Applies To Codes | 📍4.0.1 | FHIR Std. |
| Observation.component.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.component.value[x] | Base | extensible | Vital Signs Units | 📍4.0.1 | FHIR Std. |
| Observation.component.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.component.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources |
contained.contained.empty()
|
| dom-3 | error | Observation | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource |
contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
|
| dom-4 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated |
contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
|
| dom-5 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a security label |
contained.meta.security.empty()
|
| dom-6 | best practice | Observation | A resource should have narrative for robust management |
text.`div`.exists()
|
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| obs-3 | error | Observation.referenceRange | Must have at least a low or a high or text |
low.exists() or high.exists() or text.exists()
|
| obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present |
dataAbsentReason.empty() or value.empty()
|
| obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present |
value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
|
| sqty-1 | error | Observation.referenceRange.low, Observation.referenceRange.high | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| vs-1 | error | Observation.effective[x] | if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day |
$this is dateTime implies $this.toString().length() >= 10
|
| vs-2 | error | Observation | If there is no component or hasMember element then either a value[x] or a data absent reason must be present. |
(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
|
| vs-3 | error | Observation.component | If there is no a value a data absent reason must be present |
value.exists() or dataAbsentReason.exists()
|
This structure is derived from TWCoreObservationBMI
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Observation |
C | 0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile Constraints: obs-6, obs-7, vs-2 |
| implicitRules |
0..1 | uri | A set of rules under which this content was created | |
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored | |
| status |
1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | |
| Slices for category |
1..* | CodeableConcept | Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | |
| category:VSCat |
1..1 | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |
| coding |
1..* | Coding | Code defined by a terminology system | |
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category (no extensions allowed) | |
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: vital-signs (no extensions allowed) | |
| code |
1..1 | CodeableConceptTW |
身體質量指數(BMI) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |
| Slices for coding |
1..1 | Coding | Code defined by a terminology system Slice: Unordered, Open by value:code, value:system | |
| coding:BMICode |
1..1 | Coding | Code defined by a terminology system | |
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org (no extensions allowed) | |
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: 39156-5 (no extensions allowed) | |
| subject |
1..1 | Reference(TW Core Patient) | Who and/or what the observation is about | |
| effective[x] |
C | 1..1 | Often just a dateTime for Vital Signs Constraints: vs-1 | |
| effectiveDateTime |
dateTime | |||
| effectivePeriod |
Period | |||
| Slices for value[x] |
C | 0..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them |
| value[x]:valueQuantity |
C | 1..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| comparator |
0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. | |
| unit |
1..1 | string | Unit representation | |
| system |
C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org (no extensions allowed) |
| code |
1..1 | code | Coded responses from the common UCUM units for vital signs value set. Fixed Value: kg/m2 (no extensions allowed) | |
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. |
| component |
C | 0..* | BackboneElement | Used when reporting systolic and diastolic blood pressure. Constraints: vs-3 |
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |
| code |
1..1 | CodeableConcept | Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |
| value[x] |
C | 0..1 | Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. | |
| valueQuantity |
Quantity | |||
| valueCodeableConcept |
CodeableConcept | |||
| valueString |
string | |||
| valueBoolean |
boolean | |||
| valueInteger |
integer | |||
| valueRange |
Range | |||
| valueRatio |
Ratio | |||
| valueSampledData |
SampledData | |||
| valueTime |
time | |||
| valueDateTime |
dateTime | |||
| valuePeriod |
Period | |||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. |
| Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.category:VSCat | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.value[x]:valueQuantity.comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std. |
| Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.component.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.component.value[x] | Base | extensible | Vital Signs Units | 📍4.0.1 | FHIR Std. |
| Observation.component.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources |
contained.contained.empty()
|
| dom-3 | error | Observation | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource |
contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
|
| dom-4 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated |
contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
|
| dom-5 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a security label |
contained.meta.security.empty()
|
| dom-6 | best practice | Observation | A resource should have narrative for robust management |
text.`div`.exists()
|
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present |
dataAbsentReason.empty() or value.empty()
|
| obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present |
value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
|
| vs-1 | error | Observation.effective[x] | if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day |
$this is dateTime implies $this.toString().length() >= 10
|
| vs-2 | error | Observation | If there is no component or hasMember element then either a value[x] or a data absent reason must be present. |
(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
|
| vs-3 | error | Observation.component | If there is no a value a data absent reason must be present |
value.exists() or dataAbsentReason.exists()
|
Differential View
This structure is derived from TWCoreObservationBMI
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Observation |
0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||
|---|---|---|---|---|---|---|---|---|
| Observation |
C | 0..* | TWCoreObservationBMI | FHIR Body Mass Index (BMI) Profile Constraints: obs-6, obs-7, vs-2 | ||||
| id |
0..1 | id | Logical id of this artifact | |||||
| meta |
0..1 | Meta | Metadata about the resource | |||||
| implicitRules |
0..1 | uri | A set of rules under which this content was created | |||||
| language |
0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
| |||||
| text |
0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements | |||||
| contained |
0..* | Resource | Contained, inline Resources | |||||
| extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored | |||||
| identifier |
0..* | Identifier | Business Identifier for observation | |||||
| basedOn |
0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | |||||
| partOf |
0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | |||||
| status |
1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | |||||
| Slices for category |
1..* | CodeableConcept | Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | |||||
| category:VSCat |
1..1 | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| coding |
1..* | Coding | Code defined by a terminology system | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category (no extensions allowed) | |||||
| version |
0..1 | string | Version of the system - if relevant | |||||
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: vital-signs (no extensions allowed) | |||||
| display |
0..1 | string | Representation defined by the system | |||||
| userSelected |
0..1 | boolean | If this coding was chosen directly by the user | |||||
| text |
0..1 | string | Plain text representation of the concept | |||||
| code |
1..1 | CodeableConceptTW |
身體質量指數(BMI) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| Slices for coding |
1..1 | Coding | Code defined by a terminology system Slice: Unordered, Open by value:code, value:system | |||||
| coding:BMICode |
1..1 | Coding | Code defined by a terminology system | |||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| system |
1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org (no extensions allowed) | |||||
| version |
0..1 | string | Version of the system - if relevant | |||||
| code |
1..1 | code | Symbol in syntax defined by the system Fixed Value: 39156-5 (no extensions allowed) | |||||
| display |
0..1 | string | Representation defined by the system | |||||
| userSelected |
0..1 | boolean | If this coding was chosen directly by the user | |||||
| text |
0..1 | string | Plain text representation of the concept | |||||
| subject |
1..1 | Reference(TW Core Patient) | Who and/or what the observation is about | |||||
| focus |
0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | |||||
| encounter |
0..1 | Reference(TW Core Encounter) | Healthcare event during which this observation is made | |||||
| effective[x] |
C | 1..1 | Often just a dateTime for Vital Signs Constraints: vs-1 | |||||
| effectiveDateTime |
dateTime | |||||||
| effectivePeriod |
Period | |||||||
| issued |
0..1 | instant | Date/Time this version was made available | |||||
| performer |
0..* | Reference(TW Core Practitioner | TW Core PractitionerRole | TW Core Organization | TW Core CareTeam | TW Core Patient | TW Core RelatedPerson) | Who is responsible for the observation | |||||
| Slices for value[x] |
C | 0..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||||
| value[x]:valueQuantity |
C | 1..1 | Quantity | Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
| value |
1..1 | decimal | Numerical value (with implicit precision) | |||||
| comparator |
0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. | |||||
| unit |
1..1 | string | Unit representation | |||||
| system |
C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org (no extensions allowed) | ||||
| code |
1..1 | code | Coded responses from the common UCUM units for vital signs value set. Fixed Value: kg/m2 (no extensions allowed) | |||||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
| interpretation |
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
| note |
0..* | Annotation | Comments about the observation | |||||
| bodySite |
0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible) | |||||
| method |
0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible) | |||||
| specimen |
0..1 | Reference(TW Core Specimen) | Specimen used for this observation | |||||
| device |
0..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |||||
| referenceRange |
C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3 | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |||||
| low |
C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant Constraints: sqty-1 | ||||
| high |
C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant Constraints: sqty-1 | ||||
| type |
0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range. | |||||
| appliesTo |
0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to. | |||||
| age |
0..1 | Range | Applicable age range, if relevant | |||||
| text |
0..1 | string | Text based reference range in an observation | |||||
| hasMember |
0..* | Reference(TW Core QuestionnaireResponse | MolecularSequence | TW Core Observation Vital Signs) | Used when reporting vital signs panel components | |||||
| derivedFrom |
0..* | Reference(TW Core DocumentReference | TW Core ImagingStudy | TW Core Media | TW Core QuestionnaireResponse | TW Core Observation Vital Signs | MolecularSequence) | Related measurements the observation is made from | |||||
| component |
C | 0..* | BackboneElement | Used when reporting systolic and diastolic blood pressure. Constraints: vs-3 | ||||
| id |
0..1 | string | Unique id for inter-element referencing | |||||
| extension |
0..* | Extension | Additional content defined by implementations | |||||
| modifierExtension |
0..* | Extension | Extensions that cannot be ignored even if unrecognized | |||||
| code |
1..1 | CodeableConcept | Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type. | |||||
| value[x] |
C | 0..1 | Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. | |||||
| valueQuantity |
Quantity | |||||||
| valueCodeableConcept |
CodeableConcept | |||||||
| valueString |
string | |||||||
| valueBoolean |
boolean | |||||||
| valueInteger |
integer | |||||||
| valueRange |
Range | |||||||
| valueRatio |
Ratio | |||||||
| valueSampledData |
SampledData | |||||||
| valueTime |
time | |||||||
| valueDateTime |
dateTime | |||||||
| valuePeriod |
Period | |||||||
| dataAbsentReason |
C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
| interpretation |
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
| referenceRange |
0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
| Documentation for this format | ||||||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Observation.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std. |
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. |
| Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.category:VSCat | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std. |
| Observation.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.value[x]:valueQuantity.comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std. |
| Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std. |
| Observation.bodySite | Base | extensible | SNOMED CT Body Structures | 📦4.0.1 | FHIR Std. |
| Observation.method | Base | extensible | Observation Methods | 📦4.0.1 | FHIR Std. |
| Observation.referenceRange.type | Base | preferred | Observation Reference Range Meaning Codes | 📍4.0.1 | FHIR Std. |
| Observation.referenceRange.appliesTo | Base | example | Observation Reference Range Applies To Codes | 📍4.0.1 | FHIR Std. |
| Observation.component.code | Base | extensible | Vital Signs | 📍4.0.1 | FHIR Std. |
| Observation.component.value[x] | Base | extensible | Vital Signs Units | 📍4.0.1 | FHIR Std. |
| Observation.component.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std. |
| Observation.component.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources |
contained.contained.empty()
|
| dom-3 | error | Observation | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource |
contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
|
| dom-4 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated |
contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
|
| dom-5 | error | Observation | If a resource is contained in another resource, it SHALL NOT have a security label |
contained.meta.security.empty()
|
| dom-6 | best practice | Observation | A resource should have narrative for robust management |
text.`div`.exists()
|
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
| obs-3 | error | Observation.referenceRange | Must have at least a low or a high or text |
low.exists() or high.exists() or text.exists()
|
| obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present |
dataAbsentReason.empty() or value.empty()
|
| obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present |
value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
|
| sqty-1 | error | Observation.referenceRange.low, Observation.referenceRange.high | The comparator is not used on a SimpleQuantity |
comparator.empty()
|
| vs-1 | error | Observation.effective[x] | if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day |
$this is dateTime implies $this.toString().length() >= 10
|
| vs-2 | error | Observation | If there is no component or hasMember element then either a value[x] or a data absent reason must be present. |
(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
|
| vs-3 | error | Observation.component | If there is no a value a data absent reason must be present |
value.exists() or dataAbsentReason.exists()
|
This structure is derived from TWCoreObservationBMI
Other representations of profile: CSV, Excel, Schematron