description: The location UID of the source of the WADO URL. See XC-WADO and [Part03 table_A.35.4-1](https://dicom.nema.org/medical/dicom/current/output/chtml/part03/sect_A.35.4.3.html#table_A.35.4-1). package_name: ihe.rad.mado derivation: constraint name: MadoRetrieveLocationUIDExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://profiles.ihe.net/RAD/MADO/StructureDefinition/MadoRetrieveLocationUIDExtension'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: https://profiles.ihe.net/RAD/MADO/StructureDefinition/MadoRetrieveLocationUIDExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0