| System, Test, Infectious Mononucleosis | Federal registry | 1 |
| System, Test, Thyroid Autoantibody | Federal registry | 1 |
| System, Thermal Regulating | Federal registry | 1 |
| System, X-Ray, Tomography, Computed | Federal registry | 1 |
| Table, Instrument, Powered, Ophthalmic | Federal registry | 1 |
| Tape, Measuring, Rulers And Calipers | Federal registry | 1 |
| Template | Federal registry | 1 |
| Test, Benzodiazepine, Employment And Insurance Testing, Exempt | Federal registry | 1 |
| Test, Hiv Detection | Federal registry | 1 |
| Test, Opiates, Employment And Insurance Testing, Exempt | Federal registry | 1 |
| Test, Opiates, Over The Counter | Federal registry | 1 |
| Test Reagents For Ethyl Alcohol | Federal registry | 1 |
| Test, Syphilis, Treponemal | Federal registry | 1 |
| Test System, Antineutrophil Cytoplasmic Antibodies (Anca) | Federal registry | 1 |
| Test System, Nicotine, Cotinine, Metabolites | Federal registry | 1 |
| Test, Time, Prothrombin | Federal registry | 1 |
| Tetraphenyl Borate, Colorimetry, Potassium | Federal registry | 1 |
| Thin Layer Chromatography, Methamphetamine | Federal registry | 1 |
| Tomography, Optical Coherence | Federal registry | 1 |
| Trabeculotome | Federal registry | 1 |
| Transilluminator, Ac-Powered | Federal registry | 1 |
| Transmitters And Receivers, Physiological Signal, Radiofrequency | Federal registry | 1 |
| Trypsin | Federal registry | 1 |
| Tubes, Gastrointestinal (And Accessories) | Federal registry | 1 |
| Tubes, Vials, Systems, Serum Separators, Blood Collection | Federal registry | 1 |
| Tube, Tracheal/Bronchial, Differential Ventilation (W/Wo Connector) | Federal registry | 1 |
| Tympanic Membrane Direct Contact Hearing Aid | Federal registry | 1 |
| Unit, Electrosurgical, And Accessories, Dental | Federal registry | 1 |
| Unit, Operative Dental | Federal registry | 1 |
| Unit, Phacofragmentation | Federal registry | 1 |
| Urease, Photometric, Urea Nitrogen | Federal registry | 1 |
| Ureteroscope And Accessories, Flexible/Rigid | Federal registry | 1 |
| Urinalysis Controls (Assayed And Unassayed) | Federal registry | 1 |
| Uroflowmeter | Federal registry | 1 |
| Utensil, Eating | Federal registry | 1 |
| Utensil, Homemaking | Federal registry | 1 |
| U.V. Spectrometry, Tricyclic Antidepressant Drugs | Federal registry | 1 |
| Value-Added Services | Company website | 1 |
| Valve, Pulmonary | Federal registry | 1 |
| Valves | Company website | 1 |
| Ventricular (Assist) Bypass | Federal registry | 1 |
| Video Walls | Company website | 1 |
| Vitrectomy, Instrument Cutter | Federal registry | 1 |
| Voriconazole Test System | Federal registry | 1 |
| Wall | Company website | 1 |
| Wearable Automated External Defibrillator | Federal registry | 1 |
| Wearable Vibration Device For Orthopedic Use | Federal registry | 1 |
| Wire EDM | Company website | 1 |
| Wire Harness Assembly | Company website | 1 |
| Workstations | Company website | 1 |