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 5127f8b7-6ff3-42d1-85bd-471f7469a43a-1062
This code system http://hl7.org/fhir/comparison/CodeSystem/5127f8b7-6ff3-42d1-85bd-471f7469a43a-1062
defines codes, but no codes are represented here