| General Purpose Reagent | Federal registry | 4 |
| Acridine Orange | Federal registry | 3 |
| Coronavirus Antigen Detection Test System. | Federal registry | 3 |
| Discs, Strips And Reagents, Microorganism Differentiation | Federal registry | 3 |
| Fixative, Alcohol Containing | Federal registry | 3 |
| Helicobacter Pylori | Federal registry | 3 |
| Mounting Media | Federal registry | 3 |
| Reagent, Coronavirus Serological | Federal registry | 3 |
| Single (Specified) Analyte Controls (Assayed And Unassayed) | Federal registry | 3 |
| Solvent, Adhesive Tape | Federal registry | 3 |
| Stains, Microbiologic | Federal registry | 3 |
| Accessories, Implant, Dental, Endosseous | Federal registry | 2 |
| Acid, Fuchsin | Federal registry | 2 |
| Acid, Periodic | Federal registry | 2 |
| Alcian Blue | Federal registry | 2 |
| Aniline Blue | Federal registry | 2 |
| Antibodies, Gliadin | Federal registry | 2 |
| Anti-Dna Indirect Immunofluorescent Solid Phase | Federal registry | 2 |
| Antigens, All Groups, Streptococcus Spp. | Federal registry | 2 |
| Antimitochondrial Antibody, Indirect Immunofluorescent, Antigen, Control | Federal registry | 2 |
| Antinuclear Antibody (Enzyme-Labeled), Antigen, Controls | Federal registry | 2 |
| Antinuclear Antibody, Indirect Immunofluorescent, Antigen, Control | Federal registry | 2 |
| Anti-Ss-A 52 Autoantibodies | Federal registry | 2 |
| Anti-Ss-A Ro60 Autoantibodies | Federal registry | 2 |
| Auramine O | Federal registry | 2 |
| Autoantibodies, Endomysial(Tissue Transglutaminase) | Federal registry | 2 |
| Automated Indirect Immunofluorescence Microscope And Software-Assisted System For Clinical Use | Federal registry | 2 |
| Basic Fuchsin | Federal registry | 2 |
| Biebrich Scarlet | Federal registry | 2 |
| Brilliant Green | Federal registry | 2 |
| Carbol Fuchsin | Federal registry | 2 |
| Cement, Dental | Federal registry | 2 |
| Cleaner, Ultrasonic, Medical Instrument | Federal registry | 2 |
| Column Chromatography & Color Development, Hydroxyproline | Federal registry | 2 |
| Cresyl Violet Acetate | Federal registry | 2 |
| Crown And Bridge, Temporary, Resin | Federal registry | 2 |
| Crystal Violet For Histology | Federal registry | 2 |
| Devices, Measure, Antibodies To Glomerular Basement Membrane (Gbm) | Federal registry | 2 |
| Diazo (Colorimetric), Nitrite (Urinary, Non-Quant) | Federal registry | 2 |
| Dye-Indicator, Ph (Urinary, Non-Quantitative) | Federal registry | 2 |
| Enzyme Linked Immunoabsorbent Assay, Mumps Virus | Federal registry | 2 |
| Enzyme Linked Immunoabsorbent Assay, Mycoplasma Spp. | Federal registry | 2 |
| Enzyme Linked Immunoabsorbent Assay, Rubella | Federal registry | 2 |
| Enzyme Linked Immunoabsorbent Assay, Rubeola Igg | Federal registry | 2 |
| Enzyme Linked Immunoabsorption Assay, Treponema Pallidum | Federal registry | 2 |
| Eosin Y | Federal registry | 2 |
| Extractable Antinuclear Antibody, Antigen And Control | Federal registry | 2 |
| Fast Green | Federal registry | 2 |
| Fixative, Formalin-Containing | Federal registry | 2 |
| Fluid, Bouin'S | Federal registry | 2 |
