| Connector, Catheter | Federal registry | 1 |
| CONSOLE | Company website | 1 |
| Container, Specimen Mailer And Storage, Non-Sterile | Federal registry | 1 |
| Container, Specimen, Sterile | Federal registry | 1 |
| Continuous Glucose Monitor Retrospective Data Analysis Software | Federal registry | 1 |
| Continuous Glucose Monitor Secondary Display | Federal registry | 1 |
| Contractor, Surgical | Federal registry | 1 |
| Controller, Foot, Handpiece And Cord | Federal registry | 1 |
| Control, Pump Speed, Cardiopulmonary Bypass | Federal registry | 1 |
| Controls | Company website | 1 |
| Control Systems | Company website | 1 |
| conventional machining | Company website | 1 |
| Coronary Covered Stent | Federal registry | 1 |
| Coronary Drug-Eluting Stent | Federal registry | 1 |
| Coronary Mechanical Thrombectomy With Aspiration | Federal registry | 1 |
| Coronavirus Antigen Detection Test System. | Federal registry | 1 |
| Countersink | Federal registry | 1 |
| Cover, Burr Hole | Federal registry | 1 |
| Covid-19 Multi-Analyte Antigen Device | Federal registry | 1 |
| Culdoscope (And Accessories) | Federal registry | 1 |
| Cup, Menstrual | Federal registry | 1 |
| Curette, Adenoid | Federal registry | 1 |
| Curette, Ear | Federal registry | 1 |
| Curette, Nasal | Federal registry | 1 |
| Curette, Ophthalmic | Federal registry | 1 |
| Curette, Suction, Endometrial (And Accessories) | Federal registry | 1 |
| Curette, Surgical, General Use | Federal registry | 1 |
| Cushion, Flotation, Therapeutic | Federal registry | 1 |
| Custom Packaging | Company website | 1 |
| Cystotome | Federal registry | 1 |
| Cystourethroscope | Federal registry | 1 |
| Defoamer, Cardiopulmonary Bypass | Federal registry | 1 |
| Denture, Plastic, Teeth | Federal registry | 1 |
| Dentures | Company website | 1 |
| Dentures, Full | Federal registry | 1 |
| Dentures, Partial | Federal registry | 1 |
| Depressor, Metal Tongue, Surgical | Federal registry | 1 |
| Depressor, Orbital | Federal registry | 1 |
| Dermatome | Federal registry | 1 |
| Device, Anti-Snoring | Federal registry | 1 |
| Device, Fixation, Tracheal Tube | Federal registry | 1 |
| Device, Hemostasis, Vascular | Federal registry | 1 |
| Device, Locking, For Intestinal Clamp | Federal registry | 1 |
| Device, Monitoring, Intracranial Pressure | Federal registry | 1 |
| Device, Neurovascular Embolization | Federal registry | 1 |
| Device, Paste-On For Incontinence, Non-Sterile | Federal registry | 1 |
| Device, Paste-On For Incontinence, Sterile | Federal registry | 1 |
| Device, Surgical, Cryogenic | Federal registry | 1 |
| Device, Vascular, For Promoting Embolization | Federal registry | 1 |
| Diagnostic Ultrasonic Transducer, Robotic | Federal registry | 1 |
