description: This extension applies to the Coding datatype and provides a value to indicate a classification of the type of medication the parent coding. This is useful when there are multiple codings from the same CodingSystem at different levels/classifications. package_name: hl7.fhir.au.base derivation: constraint name: MedicationType type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/medication-type'} index: 0 valueCoding: type: Coding index: 1 slicing: slices: valueCoding: match: {} schema: {type: Coding, _required: true, index: 1} min: 1 package_version: 1.1.1 class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/medication-type base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.1 required: [valueCoding]