Observation Reference Range
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The guidance used to interpret the value by comparison to a normal or recommended range. Multiple reference ranges are interpreted as an "OR". Target population(s) may be associated with a reference range.
Diagrammes connexes
Contraintes
Clés uniques
- XOR(Observation, Observation Component), XOR(Reference Range Value, Reference Age Range Code)
Stéréotypes
s. o.
Attributs
| Attribut | Type | Multiplicité | Note sur l’attribut |
|---|---|---|---|
| Reference Range Value | Range | 0..1 | The actual value of the reference range (as a range interval, not as a coded concept).
Range Value.Unit of Measure Code, for both low end and high end, is optional, and not applicable when the associated observation code or observation component code already states or presupposes a specific unit of measure.
Unit of Measure Code
Value Set:
https://ui.terminologystandardsservice.ca/ui/deeplink?iss=https://terminologystandardsservice.ca/fhir&type=ValueSet&canonicalUrl=https://fhir.infoway-inforoute.ca/ValueSet/x_timeunitsofmeasure
|
| Reference Range Age Code | Codeable Concept | 0..1 | Uniquely specifies the reference used for an age range (as a code from a code system in a value set).
Value Set: To be developed.
Year is a unit of measure in this value set: https://ui.terminologystandardsservice.ca/ui/deeplink?iss=https://terminologystandardsservice.ca/fhir&type=ValueSet&canonicalUrl=https://fhir.infoway-inforoute.ca/ValueSet/x_timeunitsofmeasure
|
| Reference Range Type Code | Codeable Concept | 0..1 | Uniquely specifies which part of the targeted reference population an observation applies to (e.g., normal, recommended, therapeutic, treatment).
Value Set:
https://fhir.infoway-inforoute.ca/ValueSet/observationreferencerangemeaningcodes |
| Reference Range Description | String | 0..1 | Textual description of a reference range in an observation, which may be used when a quantitative range is not appropriate for said observation. An example would be a reference value of "negative" or a list or table of "normals". |
| Target Population Code | Codeable Concept | 0..* | Uniquely specifies the target population(s) to which the reference range applies (e.g., male, female, pregnancy not delivered, American Indian, Alaska Native).
Value Set: To be developed. |
Relations
| Classe d’origine | Multiplicité d’origine | Relation | Classe de destination | Multiplicité de destination |
|---|---|---|---|---|
| Observation | 0..* | has (composition) | Observation Reference Range | 0..* |
| Observation Component | 0..* | has (composition) | Observation Reference Range | 0..* |
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Comment citer ce contenu:
Institut canadien d’information sur la santé. Observation Reference Range. Consulté le 02 novembre 2026.
