description: Rule on top of UK Core to make NHS Number mandatory. package_name: uk.nhsdigital.r4 derivation: constraint name: UKCore-EnglandWales-Patient type: Patient elements: identifier: index: 0 slicing: slices: nhsNumber: match: {} schema: {_required: true, index: 1} min: 1 generalPractitioner: elements: identifier: elements: type: short: NHS (England) ODS Organisation Type binding: {strength: extensible, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-England-organisation-type'} index: 2 managingOrganization: elements: identifier: elements: type: binding: {strength: extensible, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-England-organisation-type'} index: 3 package_version: 2.0.24-dev class: profile kind: resource url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-EnglandWales-Patient base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient version: null required: [identifier]