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 79ef1cfb-ecb3-468a-b7e1-93fd79025b05-1062
This code system http://hl7.org/fhir/comparison/CodeSystem/79ef1cfb-ecb3-468a-b7e1-93fd79025b05-1062
defines codes, but no codes are represented here