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 022b4dd3-fd80-4d8d-965d-b13f8c929f6d-471
This code system http://hl7.org/fhir/comparison/CodeSystem/022b4dd3-fd80-4d8d-965d-b13f8c929f6d-471 defines codes, but no codes are represented here