CareElementTarget Naming system¶
Status: draft · 1.26.0 · JSON
Identifies the chronic-care element whose target a Goal individualises, on Goal.identifier. The value is the element's MERGE KEY: the shared key an element declares when more than one condition package asks for it, and otherwise the element's own id. Keys are declared by the packages and never inferred -- two packages share an element because both declare the same key, not because their names read alike -- so a reader must resolve the key against the packages rather than parse it. WHY AN IDENTIFIER AND NOT JUST THE MEASURED CODE: an attestation element and a compound one have no single code to name, and two conditions asking for the same element share one merge key but not one code, so a reader resolving only by code cannot tell that one goal covers both. A goal written without this identifier is still that element's goal if Goal.target.measure names its code; read the identifier first and fall back to the code. THIS IS NOT THE MEASURE VOCABULARY: the code system ../CodeSystem/nexus-care-element names an element on Goal.target.measure where it has no standard code, which is a different question in a different element -- do not substitute one for the other. Only a goal whose lifecycle status is active states a target in force; a proposed or accepted goal is a target under discussion and a stopped, completed, cancelled or rejected one has been released, returning the element to its guideline default. Compare the system exactly: a different system whose url merely contains this one would otherwise claim a patient's target. MIGRATION: Nexus EMR writes this system today as https://nexus.awaremd.com/care-element-target (FHIR-381), an address this specification does not publish. It is live in stored Goal.identifier.system values and in code, and is under migration to the URI declared here. Write the URI declared here; expect both until the migration completes.
| Type | Value | Preferred |
|---|---|---|
| uri | ../NamingSystem/care-element-target |
true |
| uri | https://nexus.awaremd.com/care-element-target |
false |