Intersection of http://hl7.org/fhir/ValueSet/data-absent-reason and http://terminology.ehdsi.eu/ValueSet/eHDSIDataAbsentReason
This is the ValueSet that contains codes in both DataAbsentReason (http://hl7.org/fhir/ValueSet/data-absent-reason) and eHDSI Data Absent Reason (http://terminology.ehdsi.eu/ValueSet/eHDSIDataAbsentReason).