{description: A set of codes that define the reason why a patient does not have an NHS Number., package_name: fhir.r4.ukcore.stu2, name: UKCoreNHSNumberUnavailableReason, type: null, package_version: 2.0.2, class: unknown, kind: null, url: 'https://fhir.hl7.org.uk/ValueSet/UKCore-NHSNumberUnavailableReason', version: 1.0.0}