| System, Test, Blood Glucose, Over The Counter | Federal registry | 1 |
| System, Test, Infectious Mononucleosis | Federal registry | 1 |
| System, Test, Low Density, Lipoprotein | Federal registry | 1 |
| System, Test, Vitamin D | Federal registry | 1 |
| System, Therapeutic, X-Ray | Federal registry | 1 |
| System, Thermal Regulating | Federal registry | 1 |
| System, X-Ray, Angiographic | Federal registry | 1 |
| System, X-Ray, Fluoroscopic, Image-Intensified | Federal registry | 1 |
| System, X-Ray, Tomography, Computed | Federal registry | 1 |
| Table And Attachments, Operating-Room | Federal registry | 1 |
| Table, Surgical With Orthopedic Accessories, Manual | Federal registry | 1 |
| Tamp | Federal registry | 1 |
| Tap, Bone | Federal registry | 1 |
| Technical Capabilities | Company website | 1 |
| technical notes | Company website | 1 |
| Temperature Probes | Company website | 1 |
| Test Equipment | Company website | 1 |
| Tester, Electrode/Lead, Electroencephalograph | Federal registry | 1 |
| Test, Hiv Detection | Federal registry | 1 |
| Test, Luteinizing Hormone (Lh), Over The Counter | Federal registry | 1 |
| Test, Nitrite, Urinary, Non-Quantitative, Over The Counter | Federal registry | 1 |
| Test, Opiates, Over The Counter | Federal registry | 1 |
| Test System, Nicotine, Cotinine, Metabolites | Federal registry | 1 |
| Test, Time, Prothrombin | Federal registry | 1 |
| Test, Urine Leukocyte | Federal registry | 1 |
| Tetraphenyl Borate, Colorimetry, Potassium | Federal registry | 1 |
| Thin Layer Chromatography, Methamphetamine | Federal registry | 1 |
| Titrimetric With Edta And Indicator, Calcium | Federal registry | 1 |
| Tomography, Optical Coherence | Federal registry | 1 |
| Tools and Accessories | Company website | 1 |
| Topographer, Corneal, Ac-Powered | Federal registry | 1 |
| Transferrin, Antigen, Antiserum, Control | Federal registry | 1 |
| transformers | Company website | 1 |
| Transilluminator, Ac-Powered | Federal registry | 1 |
| Tray, Surgical, Instrument | Federal registry | 1 |
| Trypsin | Federal registry | 1 |
| Tubes, Gastrointestinal (And Accessories) | Federal registry | 1 |
| Tube, Smoke Removal, Endoscopic | Federal registry | 1 |
| Tubing And Tubing/Filter Fits | Federal registry | 1 |
| Tubing, Fluid Delivery | Federal registry | 1 |
| Tubing/Tubing With Filter, Insufflation, Laparoscopic | Federal registry | 1 |
| Turbidimetric Method, Protein Or Albumin (Urinary, Non-Quant.) | Federal registry | 1 |
| types of pcbs | Company website | 1 |
| Unit, Electrosurgical, Endoscopic (With Or Without Accessories) | Federal registry | 1 |
| Unit, Operative Dental | Federal registry | 1 |
| Unit, Phacofragmentation | Federal registry | 1 |
| Urease And Glutamic Dehydrogenase, Urea Nitrogen | Federal registry | 1 |
| Urease, Photometric, Urea Nitrogen | Federal registry | 1 |
| Utensil, Eating | Federal registry | 1 |
| Utensil, Homemaking | Federal registry | 1 |
