Union of http://hl7.org/fhir/us/core/ValueSet/us-core-simple-observation-category and http://hl7.org/fhir/ValueSet/observation-category

This is the ValueSet that contains all the codes in US Core Simple Observation Category (http://hl7.org/fhir/us/core/ValueSet/us-core-simple-observation-category) and Observation Category Codes (http://hl7.org/fhir/ValueSet/observation-category). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet 1569a1f8-272e-4eb6-9fe4-348f29379063-53

This value set includes codes based on the following rules: