description: The portion of the family name that is derived from the person's own surname, as distinguished from any portion that is derived from the surname of the person's partner or spouse. package_name: hl7.fhir.uv.extensions derivation: constraint name: OwnName type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/humanname-own-name'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.1.0-ballot1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/humanname-own-name base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.1.0-ballot1 required: [valueString, value]