description: This Extension profile represents represents a therapeutic response (as opposed to an undesired reaction) to the administration of a medication. package_name: hl7.fhir.us.ecr derivation: constraint name: Therapeutic_Medication_Response_Extension type: Extension elements: value: choices: [valueCodeableConcept] index: 1 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 2} package_version: 1.0.0 class: extension kind: complex-type url: http://hl7.org/fhir/us/ecr/StructureDefinition/therapeutic-medication-response-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0