This is the CodeSystem that contains codes in both FamilyHistoryAbsentReason (http://terminology.hl7.org/CodeSystem/history-absent-reason) and FamilyHistoryAbsentReason (http://terminology.hl7.org/CodeSystem/history-absent-reason).
Generated Narrative: CodeSystem 025050bd-2cfd-4172-96d6-f7183099fa21-471
This code system http://hl7.org/fhir/comparison/CodeSystem/025050bd-2cfd-4172-96d6-f7183099fa21-471 defines codes, but no codes are represented here