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.r4 derivation: constraint name: USPublicHealthTherapeuticMedicationResponseExtension type: Extension elements: value: choices: [valueCodeableConcept] index: 1 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 2} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-therapeutic-medication-response-extension'} index: 3 package_version: 2.1.1 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: 2.1.1 required: [url]