| System, Simulation, Radiation Therapy | Federal registry | 1 |
| System, Test, Low Density, Lipoprotein | Federal registry | 1 |
| System, Therapeutic, X-Ray | Federal registry | 1 |
| System, X-Ray, Mobile | Federal registry | 1 |
| Tamp | Federal registry | 1 |
| Tap, Bone | Federal registry | 1 |
| Tape And Bandage, Adhesive | Federal registry | 1 |
| Tape, Measuring, Rulers And Calipers | Federal registry | 1 |
| Temporary Carotid Catheter For Embolic Capture | Federal registry | 1 |
| Test, Time, Partial Thromboplastin | Federal registry | 1 |
| Test, Time, Prothrombin | Federal registry | 1 |
| Tetraphenyl Borate, Colorimetry, Potassium | Federal registry | 1 |
| Transducer, Pressure, Catheter Tip | Federal registry | 1 |
| Transducer, Ultrasonic, Diagnostic | Federal registry | 1 |
| Transmitters And Receivers, Electrocardiograph, Telephone | Federal registry | 1 |
| Tube, Drainage, Suprapubic | Federal registry | 1 |
| Tubes, Gastrointestinal (And Accessories) | Federal registry | 1 |
| Uranyl Acetate/Zinc Acetate, Sodium | Federal registry | 1 |
| Urease And Glutamic Dehydrogenase, Urea Nitrogen | Federal registry | 1 |
| Ureteroscope And Accessories, Flexible/Rigid | Federal registry | 1 |
| Ventilator, Continuous, Facility Use | Federal registry | 1 |
| Washer, Bolt Nut | Federal registry | 1 |
| Wearable Automated External Defibrillator | Federal registry | 1 |
| Whole Blood Hemoglobin Determination | Federal registry | 1 |
| Wire, Guide, Catheter, Exempt | Federal registry | 1 |
| Wire, Surgical | Federal registry | 1 |
