| Radioimmunoassay, Dehydroepiandrosterone (Free And Sulfate) | Federal registry | 2 |
| Radioimmunoassay, Estriol | Federal registry | 2 |
| Radioimmunoassay, Human Growth Hormone | Federal registry | 2 |
| Radioimmunoassay, Parathyroid Hormone | Federal registry | 2 |
| Radioimmunoassay, Progesterone | Federal registry | 2 |
| Radioimmunoassay, Prolactin (Lactogen) | Federal registry | 2 |
| Radioimmunoassay, Testosterones And Dihydrotestosterone | Federal registry | 2 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 2 |
| Rasp, Ear | Federal registry | 2 |
| Rasp, Nasal | Federal registry | 2 |
| Rasp, Surgical, General & Plastic Surgery | Federal registry | 2 |
| Reagent, Borrelia Serological Reagent | Federal registry | 2 |
| Reagent, Russel Viper Venom | Federal registry | 2 |
| Reamer, Pulp Canal, Endodontic | Federal registry | 2 |
| Regulator, Pressure, Gas Cylinder | Federal registry | 2 |
| Remover, Crown | Federal registry | 2 |
| Resin, Denture, Relining, Repairing, Rebasing | Federal registry | 2 |
| Retainer, Matrix | Federal registry | 2 |
| Retractor, All Types | Federal registry | 2 |
| Retractor, Ent | Federal registry | 2 |
| Retractor, Ophthalmic | Federal registry | 2 |
| Retractor, Vaginal | Federal registry | 2 |
| Rongeur, Nasal | Federal registry | 2 |
| Saline, Vascular Access Flush | Federal registry | 2 |
| Saliva, Artificial | Federal registry | 2 |
| Saw, Nasal | Federal registry | 2 |
| Scaler, Ultrasonic | Federal registry | 2 |
| Scalpel, One-Piece | Federal registry | 2 |
| Scissors, Collar And Crown | Federal registry | 2 |
| Scissors, Ear | Federal registry | 2 |
| Scissors, Medical, Disposable | Federal registry | 2 |
| Scissors, Nasal | Federal registry | 2 |
| Scissors, Orthopedic, Surgical | Federal registry | 2 |
| Scissors, Umbilical | Federal registry | 2 |
| Sealant, Pit And Fissure, And Conditioner | Federal registry | 2 |
| Set, Administration, Intravascular | 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 |
| Sound, Urethral, Metal Or Plastic | Federal registry | 2 |
| Spatula, Ophthalmic | Federal registry | 2 |
| Spatula, Orthopedic | Federal registry | 2 |
| Spatula, Surgical, General & Plastic Surgery | Federal registry | 2 |
| Specula, Ophthalmic | Federal registry | 2 |
| Speculum, Vaginal, Metal | Federal registry | 2 |
| Spoon, Ophthalmic | 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 |
| Stretcher, Hand-Carried | Federal registry | 2 |