| Programs | Company website | 1 |
| Prostate-Specific Antigen (Psa) For Management Of Prostate Cancers | Federal registry | 1 |
| Prosthesis, Knee, Femorotibial, Non-Constrained, Cemented, Metal/Polymer | Federal registry | 1 |
| Prosthesis, Knee, Patello/Femoral, Semi-Constrained, Cemented, Metal/Polymer | Federal registry | 1 |
| Protamine Sulphate | Federal registry | 1 |
| Protector, Dental | Federal registry | 1 |
| Protector, Silicate | Federal registry | 1 |
| Pump, Infusion | Federal registry | 1 |
| Pump, Infusion, Pca | Federal registry | 1 |
| Pump, Portable, Aspiration (Manual Or Powered) | Federal registry | 1 |
| Radioassay, Intrinsic Factor Blocking Antibody | Federal registry | 1 |
| Radioassay, Triiodothyronine Uptake | Federal registry | 1 |
| Radioassay, Vitamin B12 | Federal registry | 1 |
| Radioimmunoassay, Cholyglycine, Bile Acids | Federal registry | 1 |
| Radioimmunoassay, Estradiol | Federal registry | 1 |
| Radioimmunoassay, Follicle-Stimulating Hormone | Federal registry | 1 |
| Radioimmunoassay, Free Thyroxine | Federal registry | 1 |
| Radioimmunoassay, Luteinizing Hormone | Federal registry | 1 |
| Radioimmunoassay, Methaqualone | Federal registry | 1 |
| Radioimmunoassay, Progesterone | Federal registry | 1 |
| Radioimmunoassay, Prolactin (Lactogen) | Federal registry | 1 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 1 |
| Radioimmunoassay (Two-Site Solid Phase), Ferritin | Federal registry | 1 |
| Radioimmunoassay, Vancomycin | Federal registry | 1 |
| rails | Company website | 1 |
| Reagent, Leishmanii Serological | Federal registry | 1 |
| Reagent, Occult Blood | Federal registry | 1 |
| Reagents, 2019-Novel Coronavirus Nucleic Acid | Federal registry | 1 |
| Reagents, Zika Virus Nucleic Acid | Federal registry | 1 |
| Reamer | Federal registry | 1 |
| Refractometer For Clinical Use | Federal registry | 1 |
| Reprocessed Catheter Introducer | Federal registry | 1 |
| Reprocessed Intravascular Ultrasound Catheter | Federal registry | 1 |
| Residential Awnings | Company website | 1 |
| Resuscitator, Manual, Non Self-Inflating | Federal registry | 1 |
| Retinol-Binding Protein, Antigen, Antiserum, Control | Federal registry | 1 |
| Retractor, All Types | Federal registry | 1 |
| Retractor, Fiberoptic | Federal registry | 1 |
| Rongeur, Manual | Federal registry | 1 |
| Scalpel, One-Piece | Federal registry | 1 |
| Screwdriver, Surgical | Federal registry | 1 |
| Screw, Fixation, Intraosseous | Federal registry | 1 |
| Sealant, Dural | Federal registry | 1 |
| Sealant, Pit And Fissure, And Conditioner | Federal registry | 1 |
| Sealant, Polymerizing | Federal registry | 1 |
| "Sea Salt" EN-1568 | Company website | 1 |
| Separator, Automated, Blood Cell And Plasma, Therapeutic | Federal registry | 1 |
| Separator, Automated, Blood Cell, Diagnostic | Federal registry | 1 |
| serial to ethernet | Company website | 1 |
| series | Company website | 1 |