{description: A set of concepts that define the reason that an NHS number is not available for use as an identifier., package_name: fhir.r4.ukcore.stu3.currentbuild, name: UKCoreNHSNumberUnavailableReason, type: null, package_version: 0.0.10-pre-release, class: unknown, kind: null, url: 'https://fhir.hl7.org.uk/CodeSystem/UKCore-NHSNumberUnavailableReason', version: 1.0.0}