| Osmometer For Clinical Use | Federal registry | 2 |
| Osteotome | Federal registry | 2 |
| Over-The-Counter Powered Light Based Laser For Acne | Federal registry | 2 |
| Pad, Heating, Powered | Federal registry | 2 |
| Phosphomolybdate (Colorimetric), Inorganic Phosphorus | Federal registry | 2 |
| Photometric Method, Magnesium | Federal registry | 2 |
| Plate, Bone | Federal registry | 2 |
| Plate, Cranioplasty, Preformed, Alterable | Federal registry | 2 |
| Polymer Patient Examination Glove | Federal registry | 2 |
| Post, Root Canal | Federal registry | 2 |
| Powder, Porcelain | Federal registry | 2 |
| Powered Laser Surgical Instrument With MicrobeamFractional Output | Federal registry | 2 |
| Probe | Federal registry | 2 |
| Prosthesis, Esophageal | Federal registry | 2 |
| Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Hip, Hemi-, Femoral, Metal | Federal registry | 2 |
| Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented | Federal registry | 2 |
| Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented | Federal registry | 2 |
| Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented | Federal registry | 2 |
| Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Knee, Femorotibial, Unicompartmental/Unicondylar, Uncemented, Porous-Coated, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Knee, Patello/Femoral, Semi-Constrained, Cemented, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer + Additive/Metal/Polymer + Additive | Federal registry | 2 |
| Prosthesis, Larynx (Stents And Keels) | Federal registry | 2 |
| Prosthesis, Shoulder, Hemi-, Humeral, Metallic Uncemented | Federal registry | 2 |
| Prosthesis, Shoulder, Non-Constrained, Metal/Polymer Cemented | Federal registry | 2 |
| Prosthesis, Toe, Hemi-, Phalangeal | Federal registry | 2 |
| Pump, Air, Non-Manual, For Endoscope | Federal registry | 2 |
| Punch, Surgical | Federal registry | 2 |
| Radioimmunoassay, Estradiol | Federal registry | 2 |
| Radioimmunoassay, Follicle-Stimulating Hormone | Federal registry | 2 |
| Radioimmunoassay, Testosterones And Dihydrotestosterone | Federal registry | 2 |
| Radioimmunoassay, Thyroid-Stimulating Hormone | Federal registry | 2 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 2 |
| Recorder, Paper Chart | Federal registry | 2 |
| Resin, Denture, Relining, Repairing, Rebasing | Federal registry | 2 |
| Retractor, Ophthalmic | Federal registry | 2 |
| Rongeur | Federal registry | 2 |
| Saw | Federal registry | 2 |
| Saw, Powered, And Accessories | Federal registry | 2 |
| Scissors, General, Surgical | Federal registry | 2 |
| Screwdriver | Federal registry | 2 |
| Screw, Fixation, Intraosseous | Federal registry | 2 |
| Separator, Automated, Blood Cell And Plasma, Therapeutic | Federal registry | 2 |
| Set, I.V. Fluid Transfer | Federal registry | 2 |
| Shunt, Central Nervous System And Components | Federal registry | 2 |
| Sigmoidoscope And Accessories, Flexible/Rigid | Federal registry | 2 |
| Slides, Microscope | Federal registry | 2 |
| Slide Stainer, Automated | Federal registry | 2 |
| Snare, Surgical | Federal registry | 2 |