This is the CodeSystem that contains all the codes in What Matters Concepts (http://hl7.org/fhir/us/pco/CodeSystem/what-matters-concepts-temporary) and What Matters Concepts (http://hl7.org/fhir/us/pco/CodeSystem/what-matters-concepts-temporary). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 3500d11b-0604-47da-a1c1-756a5cbebbcf-14
This code system http://hl7.org/fhir/comparison/CodeSystem/3500d11b-0604-47da-a1c1-756a5cbebbcf-14 defines codes, but no codes are represented here