| P-Toluenesulphonyl-L-Arginine Methyl Ester (U.V.), Trypsin | Federal registry | 1 |
| Quality Control Slides | Federal registry | 1 |
| Radioassay, Intrinsic Factor Blocking Antibody | Federal registry | 1 |
| Radioimmunoassay, Aldosterone | Federal registry | 1 |
| Radioimmunoassay, Androstenedione | Federal registry | 1 |
| Radioimmunoassay, Calcitonin | Federal registry | 1 |
| Radioimmunoassay, Cortisol | Federal registry | 1 |
| Radioimmunoassay, Dehydroepiandrosterone (Free And Sulfate) | Federal registry | 1 |
| Radioimmunoassay, Estriol | Federal registry | 1 |
| Radioimmunoassay, Follicle-Stimulating Hormone | Federal registry | 1 |
| Radioimmunoassay, Free Thyroxine | Federal registry | 1 |
| Radioimmunoassay, Human Growth Hormone | Federal registry | 1 |
| Radioimmunoassay, Immunoreactive Insulin | Federal registry | 1 |
| Radioimmunoassay, Luteinizing Hormone | Federal registry | 1 |
| Radioimmunoassay, Prolactin (Lactogen) | Federal registry | 1 |
| Radioimmunoassay, Thyroid-Stimulating Hormone | Federal registry | 1 |
| Radioimmunoassay, Thyroxine-Binding Globulin | Federal registry | 1 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 1 |
| Radioimmunoassay (Two-Site Solid Phase), Ferritin | Federal registry | 1 |
| Reagent, Borrelia Serological Reagent | Federal registry | 1 |
| Reagent, Coronavirus Serological | Federal registry | 1 |
| Reagents, Specific, Analyte | Federal registry | 1 |
| Refractometer For Clinical Use | Federal registry | 1 |
| Reminder, Medication | Federal registry | 1 |
| Research Use Only/Clinical Chemistry Devices | Federal registry | 1 |
| Research Use Only/Immunology Devices | Federal registry | 1 |
| Respirator, Surgical | Federal registry | 1 |
| Ring, Teething, Non-Fluid Filled | Federal registry | 1 |
| Shield, Eye, Ophthalmic (Including Sunlamp Protective Eyewear And Post-Mydriatic Eyewear) | Federal registry | 1 |
| Sling, Arm | Federal registry | 1 |
| Speculum, Ent | Federal registry | 1 |
| Speculum, Illuminated | Federal registry | 1 |
| Splint, Hand, And Components | Federal registry | 1 |
| Splint, Temporary Training | Federal registry | 1 |
| Spoon, Ear | Federal registry | 1 |
| Stains, Microbiologic | Federal registry | 1 |
| Strip, Temperature, Forehead, Liquid Crystal | Federal registry | 1 |
| Syringe, Ent | Federal registry | 1 |
| System, Skin Closure | Federal registry | 1 |
| System, Test, Carbohydrate Antigen (Ca19-9), For Monitoring And Management Of Pancreatic Cancer | Federal registry | 1 |
| System, Test, Carcinoembryonic Antigen | Federal registry | 1 |
| System, Test, Human Chorionic Gonadotropin | Federal registry | 1 |
| System, Test, Immunological, Antigen, Tumor | Federal registry | 1 |
| System, Test, Osteocalcin | Federal registry | 1 |
| System, Test, Thyroglobulin | Federal registry | 1 |
| System, Test, Thyroid Autoantibody | Federal registry | 1 |
| Test, Epithelial Ovarian Tumor-Associated Antigen (Ca125) | Federal registry | 1 |
| Test, Immunity, Cell Mediated, Mycobacterium Tuberculosis | Federal registry | 1 |
| Test, Natriuretic Peptide | Federal registry | 1 |
| Test, Prostate Specific Antigen, Free, (Noncomplexed) To Distinguish Prostate Cancer From Benign Conditions | Federal registry | 1 |
