| Calculator, Drug Dose | Federal registry | 1 |
| Calibrator For Hemoglobin And Hematocrit Measurement | Federal registry | 1 |
| Calibrator, Primary | Federal registry | 1 |
| Caliper | Company website | 1 |
| Caliper, Ophthalmic | Federal registry | 1 |
| Camera, Cine, Endoscopic, With Audio | Federal registry | 1 |
| Camera, Cine, Endoscopic, Without Audio | Federal registry | 1 |
| Camera, Cine, Microsurgical, Without Audio | Federal registry | 1 |
| Camera, Ophthalmic, Ac-Powered | Federal registry | 1 |
| Cameras | Company website | 1 |
| Camera, Scintillation (Gamma) | Federal registry | 1 |
| Camera, Still, Endoscopic | Federal registry | 1 |
| Camera, Surgical And Accessories | Federal registry | 1 |
| Camera, Television, Microsurgical, Without Audio | Federal registry | 1 |
| Camera, Television, Surgical, With Audio | Federal registry | 1 |
| Cannula And Trocar, Suprapubic, Non-Disposable | Federal registry | 1 |
| Cannula, Injection | Federal registry | 1 |
| Capacitors | Company website | 1 |
| Cap, Device Disinfectant | Federal registry | 1 |
| Cardiac Ablation Percutaneous Catheter | Federal registry | 1 |
| Cardiac C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Cardiograph, Apex (Vibrocardiograph) | Federal registry | 1 |
| Carrier, Ligature | Federal registry | 1 |
| Cart, Emergency, Cardiopulmonary (Excluding Equipment) | Federal registry | 1 |
| Catalytic Methods, Amylase | Federal registry | 1 |
| Catheter, Angioplasty, Peripheral, Transluminal | Federal registry | 1 |
| Catheter, Cholangiography | Federal registry | 1 |
| Catheter, Drainage, Intraoral/Extraoral | Federal registry | 1 |
| Catheter, Electrode Recording, Or Probe, Electrode Recording | Federal registry | 1 |
| Catheter, Hemodialysis, Non-Implanted | Federal registry | 1 |
| Catheter, Hemodialysis, Triple Lumen, Non-Implanted | Federal registry | 1 |
| Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days | Federal registry | 1 |
| Catheter, Oximeter, Fiber-Optic | Federal registry | 1 |
| Catheter, Pediatric, General & Plastic Surgery | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Fibrillation | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Flutter | Federal registry | 1 |
| Catheter, Percutaneous, Cutting/Scoring | Federal registry | 1 |
| Catheter, Percutaneous, Intraspinal, Short Term | Federal registry | 1 |
| Catheter, Percutaneous Transluminal Coronary Angioplasty (Ptca), Cutting/Scoring | Federal registry | 1 |
| Catheter, Peripheral, Atherectomy | Federal registry | 1 |
| Catheter, Peritoneal Dialysis, Single Use | Federal registry | 1 |
| Catheter, Peritoneal, Long-Term Indwelling | Federal registry | 1 |
| Catheter, Pressure Monitoring, Cardiac | Federal registry | 1 |
| Catheter, Recording, Electrode, Reprocessed | Federal registry | 1 |
| Catheter, Retention Type, Balloon | Federal registry | 1 |
| Catheter, Steerable | Federal registry | 1 |
| Catheters, Transluminal Coronary Angioplasty, Percutaneous | Federal registry | 1 |
| Catheter, Ultrasound, Intravascular | Federal registry | 1 |
| Catheter, Urological | Federal registry | 1 |
| Catheter, Ventricular | Federal registry | 1 |
