description: A record of a medication prescription or consumption associated with cancer treatment. The medication may reported by the prescriber, prescribing organization, or patient. It does not have to be directly observed. package_name: hl7.fhir.us.mcode derivation: constraint name: CancerRelatedMedicationRequest type: MedicationRequest elements: extension: mustSupport: true index: 0 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: treatmentIntent: match: {url: null} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-treatment-intent', index: 1} min: 0 max: 1 terminationReason: match: {url: null} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-treatment-termination-reason', index: 2} min: 0 subject: type: Reference refers: ['http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-patient'] index: 3 requester: type: Reference refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-organization', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitioner', 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-patient'] index: 4 reasonCode: binding: {strength: required, valueSet: 'http://hl7.org/fhir/us/mcode/ValueSet/mcode-cancer-disorder-vs'} mustSupport: true index: 5 reasonReference: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-primary-cancer-condition', 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-secondary-cancer-condition'] index: 6 package_version: 1.16.0 extensions: treatmentIntent: {url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-treatment-intent', min: 0, max: 1, type: Extension, mustSupport: true, index: 1} terminationReason: {url: 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-treatment-termination-reason', min: 0, type: Extension, mustSupport: true, index: 2} class: profile kind: resource url: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-cancer-related-medication-request base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-medicationrequest version: 1.16.0