| C. Difficile Toxin Gene Amplification Assay | Federal registry | 1 |
| Cement, Bone, Vertebroplasty | Federal registry | 1 |
| Centrifuge, Hematocrit | Federal registry | 1 |
| Centrifuges (Micro, Ultra, Refrigerated) For Clinical Use | Federal registry | 1 |
| Ceruloplasmin, Antigen, Antiserum, Control | Federal registry | 1 |
| Chair And Table, Medical | Federal registry | 1 |
| Chairs | Company website | 1 |
| Chamber, Hyperbaric | Federal registry | 1 |
| Chart, Visual Acuity | Federal registry | 1 |
| Chisel, Nasal | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
| Choledochoscope And Accessories, Flexible/Rigid | Federal registry | 1 |
| Clamp, Eyelid, Ophthalmic | Federal registry | 1 |
| Clamp, Line | Federal registry | 1 |
| Clamp, Rubber Dam | Federal registry | 1 |
| Clamp, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Clamp, Uterine | Federal registry | 1 |
| Clinical Sample Concentrator | Federal registry | 1 |
| Clip, Nose | Federal registry | 1 |
| Clip, Scalp | Federal registry | 1 |
| Closed Antineoplastic And Hazardous Drug Reconstitution And Transfer System | Federal registry | 1 |
| Closure | Company website | 1 |
| Coagulator-Cutter, Endoscopic, Bipolar (And Accessories) | Federal registry | 1 |
| Coating, Filling Material, Resin | Federal registry | 1 |
| Coatings | Company website | 1 |
| Coax | Company website | 1 |
| Coil, Magnetic Resonance, Specialty | Federal registry | 1 |
| Collagen Corneal Shield | Federal registry | 1 |
| Collector, Urine, Powered, Non Indwelling Catheter | Federal registry | 1 |
| Colorimeter, Photometer, Spectrophotometer For Clinical Use | Federal registry | 1 |
| Colorimetric Method, Cpk Or Isoenzymes | Federal registry | 1 |
| Colorimetric Method, Gamma-Glutamyl Transpeptidase | Federal registry | 1 |
| Colorimetric Method, Triglycerides | Federal registry | 1 |
| Colorimetry, Acetaminophen | Federal registry | 1 |
| Colorimetry, Cholinesterase | Federal registry | 1 |
| Colorimetry, Salicylate | Federal registry | 1 |
| Complement C3, Antigen, Antiserum, Control | Federal registry | 1 |
| Complement C4, Antigen, Antiserum, Control | Federal registry | 1 |
| Computer, Diagnostic, Pre-Programmed, Single-Function | Federal registry | 1 |
| Conductivity Rate, Urea Nitrogen | Federal registry | 1 |
| Conformer, Ophthalmic | Federal registry | 1 |
| Connector, Blood Tubing, Infusion T | Federal registry | 1 |
| Connector, Catheter | Federal registry | 1 |
| CONSOLE | Company website | 1 |
| Contactors | Company website | 1 |
| Container, Embedding | Federal registry | 1 |
| Container, Specimen Mailer And Storage, Sterile | Federal registry | 1 |
| Container, Specimen Mailer And Storage, Temperature Controlled, Non-Sterile | Federal registry | 1 |
| Continuous Glucose Monitor Retrospective Data Analysis Software | Federal registry | 1 |
| Continuous Glucose Monitor Secondary Display | Federal registry | 1 |
