Union of http://hl7.org/fhir/ValueSet/observation-codes and http://hl7.org/fhir/us/core/ValueSet/us-core-survey-codes

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

CodeSystem

Generated Narrative: ValueSet d33ae499-27a0-4c91-9d53-704e655ea135-77

This value set includes codes based on the following rules: