description: The document title code of the Key Object Selection document [TID 2010](https://dicom.nema.org/medical/dicom/current/output/chtml/part16/sect_tid_2010.html) this instance refers to. package_name: ihe.rad.mado derivation: constraint name: MadoKeyObjectDocumentTitle type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://profiles.ihe.net/RAD/MADO/StructureDefinition/MadoKeyObjectDocumentTitle'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: https://profiles.ihe.net/RAD/MADO/StructureDefinition/MadoKeyObjectDocumentTitle base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0