| Ceruloplasmin, Antigen, Antiserum, Control | Federal registry | 1 |
| Charger | Company website | 1 |
| chart recorders | Company website | 1 |
| chassis | Company website | 1 |
| Chips | Company website | 1 |
| Chromatographic/Fluorometric Method, Catecholamines | Federal registry | 1 |
| Clamp | Federal registry | 1 |
| Clinical Sample Concentrator | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Coax | Company website | 1 |
| Colorimetric Method, Gamma-Glutamyl Transpeptidase | 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 |
| Confocal Optical Imaging | Federal registry | 1 |
| connectors | Company website | 1 |
| Console, Heart-Lung Machine, Cardiopulmonary Bypass | Federal registry | 1 |
| Consumables | Company website | 1 |
| Continuous Glucose Monitor Secondary Display | Federal registry | 1 |
| Control, Hemoglobin | Federal registry | 1 |
| Control, Pump Speed, Cardiopulmonary Bypass | Federal registry | 1 |
| Counter, Differential Cell | Federal registry | 1 |
| Couplers | Company website | 1 |
| Cover, Barrier, Protective | Federal registry | 1 |
| Covid-19 Multi-Analyte Antigen Device | Federal registry | 1 |
| C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Culture Media, Anaerobic Transport | Federal registry | 1 |
| Culture Media, Antimicrobial Susceptibility Test, Excluding Mueller Hinton Agar | Federal registry | 1 |
| Culture Media, Antimicrobial Susceptibility Test, Mueller Hinton Agar/Broth | Federal registry | 1 |
| Culture Media, Enriched | Federal registry | 1 |
| Culture Media, For Isolation Of Pathogenic Neisseria | Federal registry | 1 |
| Culture Media, General Nutrient Broth | Federal registry | 1 |
| Culture Media, Multiple Biochemical Test | Federal registry | 1 |
| Culture Media, Non-Selective And Differential | Federal registry | 1 |
| Culture Media, Non-Selective And Non-Differential | Federal registry | 1 |
| Culture Media, Selective And Differential | Federal registry | 1 |
| Culture Media, Selective And Non-Differential | Federal registry | 1 |
| Culture Media, Selective Broth | Federal registry | 1 |
| Culture Media, Single Biochemical Test | Federal registry | 1 |
| Curette | Federal registry | 1 |
| custom assemblies | Company website | 1 |
| Custom Cable Assemblies | Company website | 1 |
| Custom Electromagnets | Company website | 1 |
| custom inductors | Company website | 1 |
| CUSTOM PRODUCTS | Company website | 1 |
| Cutter, Wire | Federal registry | 1 |
| Cyclosporine | Federal registry | 1 |
