| Tester, Color Vision | Federal registry | 1 |
| Test, Fluorescence In Situ Hybridization (Fish), For Bladder Cancer Detection And Monitoring For Recurrence | Federal registry | 1 |
| Test, Hiv Detection | Federal registry | 1 |
| Testing & Inspection | Company website | 1 |
| Test, Methadone, Over The Counter | Federal registry | 1 |
| Test, Methamphetamine, Over The Counter | Federal registry | 1 |
| Test, Opiates, Over The Counter | Federal registry | 1 |
| Test, Propoxyphene, Over The Counter | Federal registry | 1 |
| test services | Company website | 1 |
| Test, Tricyclic Antidepressants, Over The Counter | Federal registry | 1 |
| Test, Urine Leukocyte | Federal registry | 1 |
| Thermometer, Clinical Color Change | Federal registry | 1 |
| Thermometer, Clinical Mercury | Federal registry | 1 |
| Thoracolumbosacral Pedicle Screw System | Federal registry | 1 |
| thread gages | Company website | 1 |
| Tips And Pads, Cane, Crutch And Walker | Federal registry | 1 |
| Tissue Adhesive For The Topical Approximation Of Skin | Federal registry | 1 |
| Tonsillectome | Federal registry | 1 |
| Tooling | Company website | 1 |
| Tourniquet, Gastro-Urology | Federal registry | 1 |
| Tourniquet, Nonpneumatic | Federal registry | 1 |
| Tracheobronchial Suction Catheter Kit | Federal registry | 1 |
| Tracheostomy Cleaning Tray | Federal registry | 1 |
| Transducer, Blood-Pressure, Extravascular | Federal registry | 1 |
| Transducer, Ultrasonic, Diagnostic | Federal registry | 1 |
| Trap, Sterile Specimen | Federal registry | 1 |
| Tray, Surgical | Federal registry | 1 |
| Tray, Surgical, Instrument | Federal registry | 1 |
| Trephine | Federal registry | 1 |
| Trephine, Manual, Ophthalmic | Federal registry | 1 |
| Trichomonas Vaginalis Nucleic Acid Amplification Test System | Federal registry | 1 |
| Tripods | Company website | 1 |
| Trocar, Ent | Federal registry | 1 |
| Tube, Aspirating, Flexible, Connecting | Federal registry | 1 |
| Tube, Double Lumen For Intestinal Decompression And/Or Intubation | Federal registry | 1 |
| Tube, Ear Suction | Federal registry | 1 |
| Tube, Gastro-Enterostomy | Federal registry | 1 |
| Tube, Orthodontic | Federal registry | 1 |
| Tubes, Gastrointestinal (And Accessories) | Federal registry | 1 |
| Tube, Tissue Culture | Federal registry | 1 |
| Tubing, Noninvasive | Federal registry | 1 |
| Tubing, Pressure And Accessories | Federal registry | 1 |
| Tubing/Tubing With Filter, Insufflation, Laparoscopic | Federal registry | 1 |
| Twister, Wire | Federal registry | 1 |
| types of pcbs | Company website | 1 |
| Unit, Cryosurgical, Accessories | Federal registry | 1 |
| Unit, Oral Irrigation | Federal registry | 1 |
| Urinal | Federal registry | 1 |
| Urine Collection Kit (Excludes Hiv Testing) | Federal registry | 1 |
| Urine Transport Kit (Excludes Hiv Testing) | Federal registry | 1 |
