description: Defines constraints and extensions on the Medication resource for the minimal set of data to query and retrieve patient retrieving patient's medication information. package_name: hl7.fhir.us.core derivation: constraint name: US Core Medication Profile type: Medication elements: code: {isModifier: false, mustSupport: true, index: 0} package_version: 1.1.0 class: profile kind: resource url: http://hl7.org/fhir/us/core/StructureDefinition/us-core-medication base: http://hl7.org/fhir/StructureDefinition/Medication version: 1.1.0 required: [code]