description: uniqueId Identifier\r\n\r\n- see [Appendix Z](https://profiles.ihe.net/ITI/TF/Volume2/ch-Z.html#z.9.1-identifier-type) package_name: ihe.iti.mhd derivation: constraint name: UniqueIdIdentifier type: Identifier elements: use: pattern: {type: Code, value: usual} index: 0 system: {index: 1} value: {index: 2} package_version: 4.2.0-ballot class: complex-type kind: complex-type url: https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier base: http://hl7.org/fhir/StructureDefinition/Identifier version: 4.2.0-ballot required: [value, system]