| Antigen, Fluorescent Antibody Test, Schistosoma Mansoni | Federal registry | 1 |
| Antigens, All Groups, Streptococcus Spp. | Federal registry | 1 |
| Antigens, If, Toxoplasma Gondii | Federal registry | 1 |
| Anti-Glutamate Receptor (Type Nmda) Ifa | Federal registry | 1 |
| Anti-Human Globulin, Fta-Abs Test | Federal registry | 1 |
| Anti-Müllerian Hormone Test System | Federal registry | 1 |
| Antinuclear Antibody, Antigen, Control | Federal registry | 1 |
| Antiparietal Antibody, Indirect Immunofluorescent, Antigen, Control | Federal registry | 1 |
| Anti-Phospholipase A2 Receptor | Federal registry | 1 |
| Anti-Ribosomal P Antibodies | Federal registry | 1 |
| Anti-Rnp Antibody, Antigen And Control | Federal registry | 1 |
| Antisera, Cf, Adenovirus 1-33 | Federal registry | 1 |
| Antisera, Cf, Equine Encephalitis Virus, Eee, Wee | Federal registry | 1 |
| Antisera, Cf, Parainfluenza Virus 1-4 | Federal registry | 1 |
| Antisera, Control For Nontreponemal Tests | Federal registry | 1 |
| Antisera, Fluorescent, Brucella Spp. | Federal registry | 1 |
| Antisera, Fluorescent, Chlamydia Spp. | Federal registry | 1 |
| Antisera, Fluorescent, Coxsackievirus A 1-24, B 1-6 | Federal registry | 1 |
| Antisera, Fluorescent, Herpesvirus Hominis 1,2 | Federal registry | 1 |
| Antisera, Hai, Influenza Virus A, B, C | Federal registry | 1 |
| Antisera, Positive Control, Echinococcus Spp. | Federal registry | 1 |
| Antiserum, Fluorescent, Epstein-Barr Virus | Federal registry | 1 |
| Antismooth Muscle Antibody, Indirect Immunofluorescent, Antigen, Control | Federal registry | 1 |
| Antistreptolysin - Titer/Streptolysin O Reagent | Federal registry | 1 |
| Antithrombin Iii Quantitation | Federal registry | 1 |
| Apolipoproteins | Federal registry | 1 |
| Apparatus, Electrosurgical | Federal registry | 1 |
| Apparatus, Gas-Scavenging | Federal registry | 1 |
| Apparatus, Hemoperfusion, Sorbent | Federal registry | 1 |
| Apparatus, Suction, Single Patient Use, Portable, Nonpowered | Federal registry | 1 |
| Applicator, Ent | Federal registry | 1 |
| Applicator, Vaginal | Federal registry | 1 |
| Apron, Leaded | Federal registry | 1 |
| Arthrogram Tray | Federal registry | 1 |
| Arthroscope | Federal registry | 1 |
| Assay, Carboxyhemoglobin | Federal registry | 1 |
| Assay, Enzyme Linked Immunosorbent, Hepatitis C Virus | Federal registry | 1 |
| Assay,Enzyme Linked Immunosorbent,Parvovirus B19 Igg | Federal registry | 1 |
| Assay,Enzyme Linked Immunosorbent,Parvovirus B19 Igm | Federal registry | 1 |
| Assay, Erythropoietin | Federal registry | 1 |
| Assay, Genotyping, Hepatitis C Virus | Federal registry | 1 |
| Assay, Heparin | Federal registry | 1 |
| Assay, Hybridization And/Or Nucleic Acid Amplification For Detection Of Hepatitis C Rna,Hepatitis C Virus | Federal registry | 1 |
| Assay, Nucleic Acid Amplification, Growth Identification, Mycobacterium Tuberculosis | Federal registry | 1 |
| Assay, Oral Direct Thrombin Inhibitor | Federal registry | 1 |
| Assay, Porphyrin, Spectrophotometry, Lithium | Federal registry | 1 |
| Atp And Creatine Kinase (Enzymatic), Creatine | Federal registry | 1 |
| Autoantibodies, Anti-Soluble Liver Antigen (Sla), Autoimmune Hepatitis | Federal registry | 1 |
| Autoantibodies, Lkm-1 (Liver/Kidney Microsome, Type 1) | Federal registry | 1 |
| Autoantibodies, Nuclear Body Protein, Sp100 | Federal registry | 1 |