| Chisel, Osteotome, Surgical | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
| Clamp | Federal registry | 1 |
| Clamp, Cannula | Federal registry | 1 |
| Clamp, Circumcision | Federal registry | 1 |
| Clamp, Eyelid, Ophthalmic | Federal registry | 1 |
| Clamp, Line | Federal registry | 1 |
| Clamp, Muscle, Ophthalmic | Federal registry | 1 |
| Clamp, Non-Electrical | Federal registry | 1 |
| Clamp, Ossicle Holding | Federal registry | 1 |
| Clamp, Penile | Federal registry | 1 |
| Clamp, Rubber Dam | Federal registry | 1 |
| Clamp, Umbilical | Federal registry | 1 |
| Clamp, Uterine | Federal registry | 1 |
| Clasp, Wire | Federal registry | 1 |
| Cleaner, Ultrasonic, Medical Instrument | Federal registry | 1 |
| Clip, Aneurysm | Federal registry | 1 |
| Clip, Implantable | Federal registry | 1 |
| Clip, Iris Retractor | Federal registry | 1 |
| Clip, Lens, Trial, Ophthalmic | Federal registry | 1 |
| Clip, Removable (Skin) | Federal registry | 1 |
| Clip, Scalp | Federal registry | 1 |
| Coagulator, Culdoscopic (And Accessories) | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Bipolar (And Accessories) | Federal registry | 1 |
| Collagen Corneal Shield | Federal registry | 1 |
| Collections | Company website | 1 |
| Collector, Ostomy | Federal registry | 1 |
| Collector, Urine, (And Accessories) For Indwelling Catheter | Federal registry | 1 |
| Component, Traction, Non-Invasive | Federal registry | 1 |
| Compressor, Cardiac, External | Federal registry | 1 |
| Condenser, Amalgam And Foil, Operative | Federal registry | 1 |
| Condenser, Heat And Moisture (Artificial Nose) | Federal registry | 1 |
| Connector, Airway (Extension) | Federal registry | 1 |
| Conserver, Oxygen | Federal registry | 1 |
| Container, Embedding | Federal registry | 1 |
| Container, Sharps | Federal registry | 1 |
| Container, Specimen Mailer And Storage, Sterile | Federal registry | 1 |
| Container, Specimen, Sterile | Federal registry | 1 |
| Continuous Glucose Monitor, Implanted, Adjunctive Use | Federal registry | 1 |
| Continuous Measurement Thermometer | Federal registry | 1 |
| Contractor, Surgical | Federal registry | 1 |
| Corkscrew | Federal registry | 1 |
| corrugated box | Company website | 1 |
| Cotton, Roll | Federal registry | 1 |
| Countersink | Federal registry | 1 |
| Cover, Barrier, Protective | Federal registry | 1 |
| Cover, Mattress (Medical Purposes) | Federal registry | 1 |
| Cover, Shoe, Operating-Room | Federal registry | 1 |
| Cranial Electrotherapy Stimulator To Treat Depression | Federal registry | 1 |
| Crimper, Pin | Federal registry | 1 |
