This is the CodeSystem that contains codes in both US Core Category (http://hl7.org/fhir/us/core/CodeSystem/us-core-category) and US Core Category (http://hl7.org/fhir/us/core/CodeSystem/us-core-category).
Generated Narrative: CodeSystem 6121420f-9d0a-4b57-801d-4ddce31b3722-9
This code system http://hl7.org/fhir/comparison/CodeSystem/6121420f-9d0a-4b57-801d-4ddce31b3722-9
defines codes, but no codes are represented here