Union of http://terminology.hl7.org/CodeSystem/history-absent-reason and http://terminology.hl7.org/CodeSystem/history-absent-reason

This is the CodeSystem that contains all the codes in FamilyHistoryAbsentReason (http://terminology.hl7.org/CodeSystem/history-absent-reason) and FamilyHistoryAbsentReason (http://terminology.hl7.org/CodeSystem/history-absent-reason). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 64cb4fdc-5e7f-4e7b-ba95-487190526cd9-485

This code system http://hl7.org/fhir/comparison/CodeSystem/64cb4fdc-5e7f-4e7b-ba95-487190526cd9-485 defines codes, but no codes are represented here

CodeDisplayDefinition
subject-unknown Subject UnknownPatient does not know the subject, e.g. the biological parent of an adopted patient.
withheld Information WithheldThe patient withheld or refused to share the information.
unable-to-obtain Unable To ObtainInformation cannot be obtained; e.g. unconscious patient.
deferred DeferredPatient does not have the information now, but can provide the information at a later date.