description: This cross-version extension represents ImagingStudy.series.instance.sopClass from http://hl7.org/fhir/StructureDefinition/ImagingStudy|3.0.2 for use in FHIR R4B. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R3_ImagingStudy_se_in_sopClass type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ImagingStudy.series.instance.sopClass'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: DICOM class type choices: [valueOid] index: 2 valueOid: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: oid short: DICOM class type choiceOf: value index: 3 package_version: r3.r4b-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ImagingStudy.series.instance.sopClass base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.0.1-snapshot-2 required: [url]