description: The total number of fractions (treatment divisions) actually delivered for this volume. package_name: hl7.fhir.us.codex-radiation-therapy derivation: constraint name: RadiotherapyFractionsDelivered type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-fractions-delivered'} index: 1 value: short: Number of Delivered Fractions choices: [valueUnsignedInt] index: 3 valueUnsignedInt: {type: unsignedInt, short: Number of Delivered Fractions, choiceOf: value, index: 4} package_version: 2.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-fractions-delivered base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-ballot required: [value, valueUnsignedInt]