description: The portion of the family name that is derived from the person's partner's surname, as distinguished from any portion that is derived from the surname of the person's own name. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: PartnerName type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/humanname-partner-name'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/humanname-partner-name base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [valueString, value]