description: This cross-version extension represents PaymentReconciliation.request from http://hl7.org/fhir/StructureDefinition/PaymentReconciliation|3.0.2 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r3.r4b derivation: constraint name: ext_R3_PaymentReconciliation_request type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Claim reference choices: [valueReference] index: 1 valueReference: short: Claim reference refers: ['http://hl7.org/fhir/StructureDefinition/ProcessRequest'] type: Reference base: {path: 'Extension.value[x]'} choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-PaymentReconciliation.request'} index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-PaymentReconciliation.request base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]