CDRH Super Search consists of the following CDRH databases. You may click on a link for more information about the specific database. PMN-510(k) Premarket Notification 21 CFR- Code of Federal Regulations Title 21 PMA-Premarket Approval CLIA-Clinical Laboratory Improvement Amendments Recognized Consensus Standards Products Classification Select Devices@FDA to simultaneously search the PMN-510(k) Premarket Notification , PMA-Premarket Approval and HDE-Humanitarian Device Exemption.