extension shown: fhir [x]

Observation.category

Defined in the fhir.schema.org extension.
Canonical URL: http://schema.org/Observation.category

Thing > Property > Observation.category

A code that classifies the general type of observation being made. This is used for searching, sorting and display purposes.

Usage: Fewer than 10 domains
Values expected to be one of these types
observation-category
Used on these types
Observation

Schema Version 2.2