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 8d5e97a5-7160-4288-b89a-aac9d8740552-1062
This code system http://hl7.org/fhir/comparison/CodeSystem/8d5e97a5-7160-4288-b89a-aac9d8740552-1062 defines codes, but no codes are represented here