## Union of https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bmi and https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bmi

This is the set of resources that conform to either of the profiles FR Core Observation Bmi Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bmi) and FR Core Observation Bmi Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bmi). E.g. what you have to deal with if you get resources conforming to one of them

### Structure

Nom | Drapeaux | Card. | Type | Description et contraintes Filter: Bindings Contraintes Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* |  | FHIR Body Mass Index (BMI) Profile Constraints: obs-6, obs-7, vs-2
meta | Σ | 0..1 | Meta | Metadata about the resource
extension |  | 0..* | Extension | Additional content defined by implementations Constraints: ext-1
versionId | Σ | 0..1 | id | Version specific identifier
lastUpdated | Σ | 0..1 | instant | When the resource version last changed
source | Σ | 0..1 | uri | Identifies where the resource comes from
profile | Σ | 0..* | canonical(StructureDefinition) | Profiles this resource claims to conform to
security | Σ | 0..* | Coding | Security Labels applied to this resource Binding: ?? (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
tag | Σ | 0..* | Coding | Tags applied to this resource Binding: ?? (example): Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones".
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: ?? (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 | Extension Constraints: ext-1
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored Constraints: ext-1
identifier | Σ | 0..* | Identifier | Business Identifier for observation
basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ?? (required)
category | S | 1..* | CodeableConcept | Classification of type of observation Binding: ?? (preferred): Codes for high level observation categories.
code | S Σ | 1..1 | CodeableConcept | Body Mass Index (BMI) Binding: ?? (extensible): This identifies the vital sign result type.
extension |  | 0..* | Extension | Additional content defined by implementations Constraints: ext-1
coding | Σ | 1..* | Coding | Code defined by a terminology system
text | Σ | 0..1 | string | Plain text representation of the concept
subject | S Σ | 1..1 | Reference(FR Core Patient Profile(2.2.0-ballot-2) | #sd+194-fr-core-patient-fr-core-patient) | Who and/or what the observation is about
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
encounter | Σ | 0..1 | Reference(FR Core Encounter Profile(2.2.0-ballot-2) | #sd+189-fr-core-encounter-fr-core-encounter) | Healthcare event during which this observation is made
effective[x] | S Σ C | 1..1 |  | Often just a dateTime for Vital Signs Constraints: vs-1
effectiveDateTime |  |  | dateTime |
effectivePeriod |  |  | Period |
issued | Σ | 0..1 | instant | Date/Time this version was made available
performer | Σ | 0..* | Reference(CareTeam | RelatedPerson | FR Core Practitioner Profile(2.2.0-ballot-2) | PractitionerRole | FR Core Organization Profile(2.2.0-ballot-2) | FR Core Patient Profile(2.2.0-ballot-2)) | Who is responsible for the observation
value[x] | S Σ | 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.
dataAbsentReason | S | 0..1 | CodeableConcept | Why the result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations.
note |  | 0..* | Annotation | Comments about the observation
bodySite |  | 0..1 | CodeableConcept | Observed body part Binding: ?? (example): Codes describing anatomical locations. May include laterality.
method |  | 0..1 | CodeableConcept | How it was done Binding: ?? (example): Methods for simple observations.
specimen |  | 0..1 | Reference(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
extension |  | 0..* | Extension | Additional content defined by implementations Constraints: ext-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized Constraints: ext-1
low |  | 0..1 | ?? | Low Range, if relevant
high |  | 0..1 | ?? | High Range, if relevant
type |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ?? (preferred): Code for the meaning of a reference range.
appliesTo |  | 0..* | CodeableConcept | Reference range population Binding: ?? (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(QuestionnaireResponse | MolecularSequence | Vital Signs Profile) | Used when reporting vital signs panel components
derivedFrom | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | MolecularSequence | Vital Signs Profile) | Related measurements the observation is made from
component | S Σ C | 0..* | BackboneElement | Used when reporting systolic and diastolic blood pressure. Constraints: vs-3
extension |  | 0..* | Extension | Additional content defined by implementations Constraints: ext-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized Constraints: ext-1
code | S Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: ?? (extensible): This identifies the vital sign result type.
value[x] | S Σ | 0..1 |  | Vital Sign Value recorded with UCUM Binding: ?? (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 | S | 0..1 | CodeableConcept | Why the component result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* |  | Provides guide for interpretation of component result
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