Union of http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType and http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType

This is the CodeSystem that contains all the codes in C4BB Identifier Type Code System (http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType) and C4BB Identifier Type Code System (http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 8a0e78cf-14e1-4c1a-a1d4-119117c1bc1a-20

This code system http://hl7.org/fhir/comparison/CodeSystem/8a0e78cf-14e1-4c1a-a1d4-119117c1bc1a-20 defines codes, but no codes are represented here

CodeDisplayDefinition
payerid Payer IDPayer ID used in HIPAA covered claims submission transactions
naiccode NAIC CodeAn identifier assigned to licensed and authorized insurance companies by the National Association of Insurance Commissioners (NAIC).
pat Patient Account NumberPatient Account Number
um Unique Member IDIndicates that the patient identifier is a unique member identifier assigned by a payer across all lines of business
uc Unique Claim IDIndicates that the claim identifier is that assigned by a payer for a claim received from a provider or subscriber