description: Any additional information package_name: hl7.fhir.us.pq-cmc-fda derivation: constraint name: AditionalInformationExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-additional-info-extension'} index: 1 value: choices: [valueMarkdown] index: 3 valueMarkdown: {type: markdown, choiceOf: value, index: 4} package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-additional-info-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot