{description: Used to specify why the normally expected content of the data element is missing., package_name: rs/hl7.fhir.r4b.expansions, name: DataAbsentReason, type: null, package_version: 4.3.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/data-absent-reason', version: 4.3.0}