| Radioimmunoassay, Testosterones And Dihydrotestosterone | Federal registry | 2 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 2 |
| Reagent, Borrelia Serological Reagent | Federal registry | 2 |
| Reamer, Pulp Canal, Endodontic | Federal registry | 2 |
| Remover, Crown | Federal registry | 2 |
| Resin, Root Canal Filling | Federal registry | 2 |
| Retractor, All Types | Federal registry | 2 |
| Retractor, Fiberoptic | Federal registry | 2 |
| Retractor, Non-Self-Retaining | Federal registry | 2 |
| Retractor, Self-Retaining | Federal registry | 2 |
| Retractor, Vaginal | Federal registry | 2 |
| Ring Cutter | Federal registry | 2 |
| Sacroiliac Joint Fixation | Federal registry | 2 |
| Saline, Vascular Access Flush | Federal registry | 2 |
| Saw, Manual And Accessories | Federal registry | 2 |
| Scaler, Ultrasonic | Federal registry | 2 |
| Scalpel, One-Piece | Federal registry | 2 |
| Scissors, Ophthalmic | Federal registry | 2 |
| Scissors, Umbilical | Federal registry | 2 |
| Shield, Eye, Ophthalmic (Including Sunlamp Protective Eyewear And Post-Mydriatic Eyewear) | Federal registry | 2 |
| Shoulder Prosthesis, Reverse Configuration | Federal registry | 2 |
| Sling, Arm | Federal registry | 2 |
| Spatula, Orthopedic | Federal registry | 2 |
| Speculum, Rectal | Federal registry | 2 |
| Speculum, Vaginal, Metal | Federal registry | 2 |
| Splint, Clavicle | Federal registry | 2 |
| Spoon, Ophthalmic | Federal registry | 2 |
| Spud, Ophthalmic | Federal registry | 2 |
| Stains, Microbiologic | Federal registry | 2 |
| Station, Pipetting And Diluting, For Clinical Use | Federal registry | 2 |
| Sterilant, Medical Devices | Federal registry | 2 |
| Stimulator, Electrical, Evoked Response | Federal registry | 2 |
| Strip, Polishing Agent | Federal registry | 2 |
| Stylet, Surgical, General & Plastic Surgery | Federal registry | 2 |
| Syringe, Antistick | Federal registry | 2 |
| Syringe, Cartridge | Federal registry | 2 |
| Syringe, Irrigating (Non Dental) | Federal registry | 2 |
| System, Imaging, Pulsed Doppler, Ultrasonic | Federal registry | 2 |
| System, Test, Human Chorionic Gonadotropin | Federal registry | 2 |
| System, Test, Low Density, Lipoprotein | Federal registry | 2 |
| System, Test, Rheumatoid Factor | Federal registry | 2 |
| System, Test, Vitamin D | Federal registry | 2 |
| Table And Attachments, Operating-Room | Federal registry | 2 |
| Table, Operating-Room, Ac-Powered | Federal registry | 2 |
| Tap, Bone | Federal registry | 2 |
| Test, Natriuretic Peptide | Federal registry | 2 |
| Test System, Antineutrophil Cytoplasmic Antibodies (Anca) | Federal registry | 2 |
| Tourniquet, Nonpneumatic | Federal registry | 2 |
| Transducer, Ultrasonic, Diagnostic | Federal registry | 2 |
| Trephine | Federal registry | 2 |