Prevention Result Detail Extension

Canonical	../StructureDefinition/nexus-prevention-result-detail
Status	draft (experimental) · 1.26.0
Base	Extension (constraint)
Context	Observation (element)
Source	FSH · JSON

The free-text detail accompanying a screening result: a reading, a finding, or the sentence an outside report gave, recorded alongside the coded result rather than instead of it.

Overview

It is bound independently of the result. Observation.value[x] carries what the screening concluded -- normal, abnormal, the measured value -- and this carries the detail a reader needs to understand that conclusion. Writing either one never changes the other, and a record may carry this with no result yet, or a result with no detail.

It is not a clinical comment. Observation.note is where a person's remarks about the record live, and a consumer is entitled to render every note repeat verbatim as a comment. This is a distinct field with its own editing lifecycle, which is why it has its own address.

At most one per Observation. A reader meeting more than one should take the first.

MIGRATION. Write this extension. A reader of records written before this extension existed may find the same information carried as free text inside Observation.note; that carriage is not part of this specification, is not produced going forward, and a consumer that wants it from older records has to read it from where it was written. Moving the existing data is outstanding work and is not described here.