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.r4b derivation: constraint name: USPublicHealthTherapeuticMedicationResponseExtension type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-therapeutic-medication-response-extension'} index: 0 value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} package_version: 2.1.2 class: extension kind: complex-type url: http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-therapeutic-medication-response-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.1.2 required: [url]