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 dbac6c5e-61a0-43cb-9ce7-01f3150b1311-471
This code system http://hl7.org/fhir/comparison/CodeSystem/dbac6c5e-61a0-43cb-9ce7-01f3150b1311-471 defines codes, but no codes are represented here