https://www.fda.gov/medical-devices/unique-device-identification-system-udi-system/upc-alternatives-udi-a160001-and-udi-a160002-frequently-asked-questions
UPC Alternatives UDI-A160001 and UDI-A160002: Frequently Asked Questions | FDA
Questions and answers related to the expiration of the alternatives granted to allow use of UPC instead of UDI for certain medical devices.
frequently asked questionsupcalternativesudifda