description: This extension stores the date and time a Resource was received by the processing system (e.g. NHSNLink). package_name: gov.cdc.nhsn.dqm derivation: constraint name: ReceivedDate type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-received-date-extension'} index: 1 value: choices: [valueDateTime] index: 3 valueDateTime: {type: dateTime, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-received-date-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueDateTime, value]