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 c5235383-6fe4-49cb-8193-cf88e1d9083e-486
This code system http://hl7.org/fhir/comparison/CodeSystem/c5235383-6fe4-49cb-8193-cf88e1d9083e-486 defines codes, but no codes are represented here