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

CodeSystem

Generated Narrative: ValueSet f91b3000-4315-43c3-93e7-6119dfffb6fd-509

This value set includes codes based on the following rules: