| C. Difficile Nucleic Acid Amplification Test Assay | Federal registry | 1 |
| C. Difficile Toxin Gene Amplification Assay | Federal registry | 1 |
| Chair, Ophthalmic, Manual | Federal registry | 1 |
| Chisel, Middle-Ear | Federal registry | 1 |
| Chisel, Nasal | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
| Clamp | Federal registry | 1 |
| Clamp, Non-Electrical | Federal registry | 1 |
| Clamp, Ossicle Holding | Federal registry | 1 |
| Clamp, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Clamp, Vascular | Federal registry | 1 |
| Clip, Implantable | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Collector, Ostomy | Federal registry | 1 |
| Colorimetry, Cholinesterase | Federal registry | 1 |
| Container, Specimen Mailer And Storage, Sterile | Federal registry | 1 |
| Container, Specimen, Non-Sterile | Federal registry | 1 |
| Container, Specimen, Sterile | Federal registry | 1 |
| Controller, Temperature, Cardiopulmonary Bypass | Federal registry | 1 |
| Cover, Cast | Federal registry | 1 |
| Cover, Shoe, Operating-Room | Federal registry | 1 |
| Culture Media, Non-Propagating Transport | Federal registry | 1 |
| Curette | Federal registry | 1 |
| Curette, Adenoid | Federal registry | 1 |
| Curette, Ear | Federal registry | 1 |
| Curette, Nasal | Federal registry | 1 |
| Curette, Surgical, General Use | Federal registry | 1 |
| Curette, Uterine | Federal registry | 1 |
| current transformers | Company website | 1 |
| Cutter, Surgical | Federal registry | 1 |
| Cutter, Wire | Federal registry | 1 |
| Depressor, Metal Tongue, Surgical | Federal registry | 1 |
| Depressor, Tongue, Non-Surgical | Federal registry | 1 |
| Dermatome | Federal registry | 1 |
| Device, General Purpose, Microbiology, Diagnostic | Federal registry | 1 |
| Device, Parasite Concentration | Federal registry | 1 |
| Devices Detecting Influenza A, B, And C Virus Antigens | Federal registry | 1 |
| Die, Wire Bending, Ent, Non-Sterile | Federal registry | 1 |
| Dilator, Cervical, Fixed Size | Federal registry | 1 |
| Dilator, Esophageal, Ent | Federal registry | 1 |
| Dilator, Tracheal | Federal registry | 1 |
| Dilator, Vessel, Surgical | Federal registry | 1 |
| Dissector, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Drape, Surgical, Antimicrobial | Federal registry | 1 |
| Drills, Burrs, Trephines & Accessories (Manual) | Federal registry | 1 |
| Driver, Prosthesis | Federal registry | 1 |
| Electrocautery, Gynecologic (And Accessories) | Federal registry | 1 |
| Electrode, Electrosurgical | Federal registry | 1 |
| Elevator, Ent | Federal registry | 1 |
| Elevator, Surgical, General & Plastic Surgery | Federal registry | 1 |
