臺灣長期照顧實作指引(TW LTC IG)
1.0.0 - STU 1.0.0

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 1.0.0 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: 基礎生理量測－腰圍

Official URL: http://ltc-ig.fhir.tw/StructureDefinition/PASportObservationWaist | Version: 1.0.0
Active as of 2026-03-01 | Computable Name: PASportObservationWaist

此 Profile 說明本 IG 如何進一步定義 FHIR 的 Observation Resource，以呈現基礎生理量測中涉及之腰圍資料。

Usages:

- Examples for this Profile: Observation/pasport-observation-waist-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.

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | TWCoreObservationSimple | Measurements and simple assertions Constraints: obs-6, obs-7
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Slices for category | S | 1..* | CodeableConceptTW | Classification of type of observation Slice: Unordered, Open by pattern:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:twcore | S | 1..1 | CodeableConcept | Classification of type of observation Binding: 臺灣衛福部資訊處類型代碼值集 (required): 此slice綁定的值集之綁定強度雖為最高強度「要求使用(Requird)」，但因slice之特性，其不會限制僅能填此值集中的代碼，故在實作時也可使用其他值集的代碼。
coding | S Σ | 1..1 | Coding | Code defined by a terminology system
system | S Σ | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
code | S Σ | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S Σ | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
code | S | 1..1 | CodeableConceptTW | 腰圍 Binding: LOINCCodes (preferred): Codes identifying names of simple observations.
coding | S | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
system | S Σ | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
code | S Σ | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display | S Σ | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
text | S Σ | 0..1 | string | 概念的文字表示法
subject | S Σ | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
reference | S Σ C | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
effective[x] | S Σ | 1..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime S |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
performer | S Σ | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
reference | S Σ C | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
Slices for value[x] | S Σ C | 1..1 | Quantity S | Actual result Slice: Unordered, Closed by type:$this
value[x]:valueQuantity | S Σ C | 1..1 | Quantity S | 檢驗檢查的實際結果
value | S Σ | 1..1 | decimal | 數值
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | S Σ | 1..1 | string | 單位
system | S Σ C | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
bodySite | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible)
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:twcore | Base | required | 臺灣衛福部資訊處類型代碼值集 | 📦0.3.0 | 臺灣核心實作指引 v0.3
Observation.code | Base | preferred | LOINC Codes | 📦4.0.1 | FHIR Std.
Observation.value[x]:valueQuantity.​comparator | Base | required | QuantityComparator | 📍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.

#### 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()`

This structure is derived from TWCoreObservationSimple

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation |  | 0..* | TWCoreObservationSimple | Measurements and simple assertions
Slices for category |  |  |  | Content/Rules for all slices
category:twcore |  | 1..1 | CodeableConcept | Classification of type of observation
coding | S | 1..1 | Coding | Code defined by a terminology system
system | S | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
code | S | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
code |  | 1..1 | CodeableConceptTW | 腰圍
coding |  | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
system |  | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
code |  | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display |  | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
subject |  | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
reference | S | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
performer |  | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
reference | S | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
Slices for value[x] |  | 1..1 | Quantity | Actual result Slice: Unordered, Open by type:$this
value[x]:valueQuantity | S | 1..1 | Quantity S | 檢驗檢查的實際結果
value | S | 1..1 | decimal | 數值
unit | S | 1..1 | string | 單位
system | S | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
bodySite | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Observation.bodySite | Base | extensible | SNOMED CT Body Structures | 📦4.0.1 | FHIR Std.
Observation.method | Base | extensible | Observation Methods | 📦4.0.1 | FHIR Std.

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | TWCoreObservationSimple | Measurements and simple assertions Constraints: obs-6, obs-7
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 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.
Additional Bindings | Purpose
AllLanguages | Max Binding
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 | Σ | 0..* | Identifier | Business Identifier for observation
basedOn | Σ | 0..* | Reference(TW Core CarePlan | DeviceRequest | ImmunizationRecommendation | TW Core MedicationRequest | NutritionOrder | TW Core ServiceRequest) | Fulfills plan, proposal or order
partOf | Σ | 0..* | Reference(MedicationAdministration | TW Core MedicationDispense | TW Core MedicationStatement | TW Core Procedure | TW Core Immunization | TW Core ImagingStudy) | Part of referenced event
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Slices for category | S | 1..* | CodeableConceptTW | Classification of type of observation Slice: Unordered, Open by pattern:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:twcore | S | 1..1 | CodeableConcept | Classification of type of observation Binding: 臺灣衛福部資訊處類型代碼值集 (required): 此slice綁定的值集之綁定強度雖為最高強度「要求使用(Requird)」，但因slice之特性，其不會限制僅能填此值集中的代碼，故在實作時也可使用其他值集的代碼。
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 | S Σ | 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 | S Σ | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
version | Σ | 0..1 | string | Version of the system - if relevant
code | S Σ | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S Σ | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user
text | Σ | 0..1 | string | Plain text representation of the concept
code | S | 1..1 | CodeableConceptTW | 腰圍 Binding: LOINCCodes (preferred): Codes identifying names of simple observations.
id |  | 0..1 | string | 唯一可識別ID，以供資料項目間相互參照。
extension |  | 0..* | Extension | 擴充的資料項目 Slice: Unordered, Open by value:url
coding | S | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
id |  | 0..1 | string | 唯一可識別ID，以供資料項目間相互參照。
extension |  | 0..* | Extension | 擴充的資料項目 Slice: Unordered, Open by value:url
system | S Σ | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
version | Σ | 0..1 | string | 系統的版本—如果相關的話
code | S Σ | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display | S Σ | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
userSelected | Σ | 0..1 | boolean | 此編碼是否由使用者直接選擇？
text | S Σ | 0..1 | string | 概念的文字表示法
subject | S Σ | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | S Σ C | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
encounter | Σ | 0..1 | Reference(TW Core Encounter) | Healthcare event during which this observation is made
effective[x] | S Σ | 1..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime S |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
issued | Σ | 0..1 | instant | Date/Time this version was made available
performer | S Σ | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | S Σ C | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
Slices for value[x] | S Σ C | 1..1 | Quantity S | Actual result Slice: Unordered, Closed by type:$this
value[x]:valueQuantity | S Σ C | 1..1 | Quantity S | 檢驗檢查的實際結果
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 | S Σ | 1..1 | decimal | 數值
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | S Σ | 1..1 | string | 單位
system | S Σ C | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
code | Σ | 0..1 | code | Coded form of the unit
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 | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 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 | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
low | C | 0..1 | SimpleQuantity | Low Range, if relevant
high | C | 0..1 | SimpleQuantity | High Range, if relevant
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 | Σ | 0..* | Reference(TW Core Simple Observation | TW Core QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group
derivedFrom | Σ | 0..* | Reference(Observation | TW Core DocumentReference | TW Core QuestionnaireResponse | TW Core ImagingStudy | TW Core Media | MolecularSequence) | Related measurements the observation is made from
component | Σ | 0..* | BackboneElement | Component results
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x] | Σ | 0..1 |  | Actual component result
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:twcore | Base | required | 臺灣衛福部資訊處類型代碼值集 | 📦0.3.0 | 臺灣核心實作指引 v0.3
Observation.code | Base | preferred | LOINC Codes | 📦4.0.1 | FHIR Std.
Observation.subject.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Observation.performer.​type | Base | extensible | ResourceType | 📍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 | example | LOINC Codes | 📦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()`

This structure is derived from TWCoreObservationSimple

Summary

Mandatory: 15 elements(1 nested mandatory element)
Must-Support: 12 elements

Structures

This structure refers to these other structures:

- 長期照顧－住民基本資料 (http://ltc-ig.fhir.tw/StructureDefinition/LTCPatient)
- 長期照顧－照顧服務提供者 (http://ltc-ig.fhir.tw/StructureDefinition/LTCPractitioner)

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Observation.value[x]

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | TWCoreObservationSimple | Measurements and simple assertions Constraints: obs-6, obs-7
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Slices for category | S | 1..* | CodeableConceptTW | Classification of type of observation Slice: Unordered, Open by pattern:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:twcore | S | 1..1 | CodeableConcept | Classification of type of observation Binding: 臺灣衛福部資訊處類型代碼值集 (required): 此slice綁定的值集之綁定強度雖為最高強度「要求使用(Requird)」，但因slice之特性，其不會限制僅能填此值集中的代碼，故在實作時也可使用其他值集的代碼。
coding | S Σ | 1..1 | Coding | Code defined by a terminology system
system | S Σ | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
code | S Σ | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S Σ | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
code | S | 1..1 | CodeableConceptTW | 腰圍 Binding: LOINCCodes (preferred): Codes identifying names of simple observations.
coding | S | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
system | S Σ | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
code | S Σ | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display | S Σ | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
text | S Σ | 0..1 | string | 概念的文字表示法
subject | S Σ | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
reference | S Σ C | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
effective[x] | S Σ | 1..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime S |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
performer | S Σ | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
reference | S Σ C | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
Slices for value[x] | S Σ C | 1..1 | Quantity S | Actual result Slice: Unordered, Closed by type:$this
value[x]:valueQuantity | S Σ C | 1..1 | Quantity S | 檢驗檢查的實際結果
value | S Σ | 1..1 | decimal | 數值
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | S Σ | 1..1 | string | 單位
system | S Σ C | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
bodySite | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible)
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:twcore | Base | required | 臺灣衛福部資訊處類型代碼值集 | 📦0.3.0 | 臺灣核心實作指引 v0.3
Observation.code | Base | preferred | LOINC Codes | 📦4.0.1 | FHIR Std.
Observation.value[x]:valueQuantity.​comparator | Base | required | QuantityComparator | 📍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.

#### 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()`

Differential View

This structure is derived from TWCoreObservationSimple

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation |  | 0..* | TWCoreObservationSimple | Measurements and simple assertions
Slices for category |  |  |  | Content/Rules for all slices
category:twcore |  | 1..1 | CodeableConcept | Classification of type of observation
coding | S | 1..1 | Coding | Code defined by a terminology system
system | S | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
code | S | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
code |  | 1..1 | CodeableConceptTW | 腰圍
coding |  | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
system |  | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
code |  | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display |  | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
subject |  | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
reference | S | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
performer |  | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
reference | S | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
Slices for value[x] |  | 1..1 | Quantity | Actual result Slice: Unordered, Open by type:$this
value[x]:valueQuantity | S | 1..1 | Quantity S | 檢驗檢查的實際結果
value | S | 1..1 | decimal | 數值
unit | S | 1..1 | string | 單位
system | S | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
bodySite | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (extensible)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Observation.bodySite | Base | extensible | SNOMED CT Body Structures | 📦4.0.1 | FHIR Std.
Observation.method | Base | extensible | Observation Methods | 📦4.0.1 | FHIR Std.

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | TWCoreObservationSimple | Measurements and simple assertions Constraints: obs-6, obs-7
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 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.
Additional Bindings | Purpose
AllLanguages | Max Binding
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 | Σ | 0..* | Identifier | Business Identifier for observation
basedOn | Σ | 0..* | Reference(TW Core CarePlan | DeviceRequest | ImmunizationRecommendation | TW Core MedicationRequest | NutritionOrder | TW Core ServiceRequest) | Fulfills plan, proposal or order
partOf | Σ | 0..* | Reference(MedicationAdministration | TW Core MedicationDispense | TW Core MedicationStatement | TW Core Procedure | TW Core Immunization | TW Core ImagingStudy) | Part of referenced event
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Slices for category | S | 1..* | CodeableConceptTW | Classification of type of observation Slice: Unordered, Open by pattern:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:twcore | S | 1..1 | CodeableConcept | Classification of type of observation Binding: 臺灣衛福部資訊處類型代碼值集 (required): 此slice綁定的值集之綁定強度雖為最高強度「要求使用(Requird)」，但因slice之特性，其不會限制僅能填此值集中的代碼，故在實作時也可使用其他值集的代碼。
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 | S Σ | 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 | S Σ | 1..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/observation-category
version | Σ | 0..1 | string | Version of the system - if relevant
code | S Σ | 1..1 | code | Symbol in syntax defined by the system Required Pattern: vital-signs
display | S Σ | 1..1 | string | Representation defined by the system Required Pattern: Vital Signs
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user
text | Σ | 0..1 | string | Plain text representation of the concept
code | S | 1..1 | CodeableConceptTW | 腰圍 Binding: LOINCCodes (preferred): Codes identifying names of simple observations.
id |  | 0..1 | string | 唯一可識別ID，以供資料項目間相互參照。
extension |  | 0..* | Extension | 擴充的資料項目 Slice: Unordered, Open by value:url
coding | S | 1..1 | CodingTW | 由專門術語系統（terminology system）定義的代碼
id |  | 0..1 | string | 唯一可識別ID，以供資料項目間相互參照。
extension |  | 0..* | Extension | 擴充的資料項目 Slice: Unordered, Open by value:url
system | S Σ | 1..1 | uri | 專門術語系統（terminology system）的識別 Required Pattern: http://loinc.org
version | Σ | 0..1 | string | 系統的版本—如果相關的話
code | S Σ | 1..1 | code | 系統定義的語法之符號 Required Pattern: 8280-0
display | S Σ | 1..1 | string | 由系統定義的表示法 Required Pattern: Waist Circumference at umbilicus by Tape measure
userSelected | Σ | 0..1 | boolean | 此編碼是否由使用者直接選擇？
text | S Σ | 0..1 | string | 概念的文字表示法
subject | S Σ | 1..1 | Reference(長期照顧－住民基本資料) | 量測對象
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | S Σ C | 1..1 | string | 量測對象。[應輸入 Patient Resource ID]
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
encounter | Σ | 0..1 | Reference(TW Core Encounter) | Healthcare event during which this observation is made
effective[x] | S Σ | 1..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime S |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
issued | Σ | 0..1 | instant | Date/Time this version was made available
performer | S Σ | 0..1 | Reference(長期照顧－照顧服務提供者) | 量測人員
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | S Σ C | 1..1 | string | 量測人員。[應輸入 Practitioner Resource ID]
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
Slices for value[x] | S Σ C | 1..1 | Quantity S | Actual result Slice: Unordered, Closed by type:$this
value[x]:valueQuantity | S Σ C | 1..1 | Quantity S | 檢驗檢查的實際結果
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 | S Σ | 1..1 | decimal | 數值
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | S Σ | 1..1 | string | 單位
system | S Σ C | 1..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org
code | Σ | 0..1 | code | Coded form of the unit
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 | S | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (extensible)
method | S | 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 | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
low | C | 0..1 | SimpleQuantity | Low Range, if relevant
high | C | 0..1 | SimpleQuantity | High Range, if relevant
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 | Σ | 0..* | Reference(TW Core Simple Observation | TW Core QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group
derivedFrom | Σ | 0..* | Reference(Observation | TW Core DocumentReference | TW Core QuestionnaireResponse | TW Core ImagingStudy | TW Core Media | MolecularSequence) | Related measurements the observation is made from
component | Σ | 0..* | BackboneElement | Component results
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x] | Σ | 0..1 |  | Actual component result
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:twcore | Base | required | 臺灣衛福部資訊處類型代碼值集 | 📦0.3.0 | 臺灣核心實作指引 v0.3
Observation.code | Base | preferred | LOINC Codes | 📦4.0.1 | FHIR Std.
Observation.subject.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Observation.performer.​type | Base | extensible | ResourceType | 📍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 | example | LOINC Codes | 📦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()`

This structure is derived from TWCoreObservationSimple

Summary

Mandatory: 15 elements(1 nested mandatory element)
Must-Support: 12 elements

Structures

This structure refers to these other structures:

- 長期照顧－住民基本資料 (http://ltc-ig.fhir.tw/StructureDefinition/LTCPatient)
- 長期照顧－照顧服務提供者 (http://ltc-ig.fhir.tw/StructureDefinition/LTCPractitioner)

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Observation.value[x]

Other representations of profile: CSV, Excel, Schematron