Union of usEPAsrs and usEPAsrs

Union of http://terminology.hl7.org/CodeSystem/usEPAsrs and http://terminology.hl7.org/CodeSystem/usEPAsrs

This is the CodeSystem that contains all the codes in US EPA Substance Registry System (http://terminology.hl7.org/CodeSystem/usEPAsrs) and US EPA Substance Registry System (http://terminology.hl7.org/CodeSystem/usEPAsrs). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 20bc3134-ebe2-4c64-81ac-614a70124787-1649

This code system http://hl7.org/fhir/comparison/CodeSystem/20bc3134-ebe2-4c64-81ac-614a70124787-1649 defines codes, but no codes are represented here

Code