description: This extension applies to the Medication resource and is used to represent the strength of a medication as text. package_name: at.unofficial.au.base derivation: constraint name: MedicationStrength type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/medication-strength'} index: 0 valueString: type: string index: 1 slicing: slices: valueString: match: {} schema: {type: string, _required: true, index: 1} min: 1 package_version: 2.2.0-ballot class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/medication-strength base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0 required: [valueString]