description: The tumor type definition in code. package_name: nexuzhealth.fhir.r4 derivation: constraint name: NxhExtCodeHistologie type: Extension elements: url: pattern: {type: uri, value: 'https://fhir.nexuzhealth.com/standards/fhir/StructureDefinition/nxh-ext-codeHistologie'} type: uri index: 0 value: choices: [valueCoding] index: 2 valueCoding: {type: Coding, choiceOf: value, index: 3} package_version: 1.0.2 class: extension kind: complex-type url: https://fhir.nexuzhealth.com/standards/fhir/StructureDefinition/nxh-ext-codeHistologie base: http://hl7.org/fhir/StructureDefinition/Extension version: null