description: This cross-version extension represents MeasureReport.group.stratifier.code from http://hl7.org/fhir/StructureDefinition/MeasureReport|4.0.1 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4.r5 derivation: constraint name: Ext_R4_MeasureReport_gr_st_code type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-MeasureReport.group.stratifier.code'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: What stratifier of the group choices: [valueCodeableConcept] index: 2 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: What stratifier of the group choiceOf: value index: 3 package_version: 0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-MeasureReport.group.stratifier.code base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url]