| Laparoscope, General & Plastic Surgery | Federal registry | 1 |
| Laryngostroboscope | Federal registry | 1 |
| Ldl & Vldl Precipitation, Cholesterol Via Esterase-Oxidase, Hdl | Federal registry | 1 |
| Ldl & Vldl Precipitation, Hdl | Federal registry | 1 |
| Lectins And Protectins | Federal registry | 1 |
| Light Source, Fiberoptic, Routine | Federal registry | 1 |
| Lipase-Esterase, Enzymatic, Photometric, Lipase | Federal registry | 1 |
| Lipase Hydrolysis/Glycerol Kinase Enzyme, Triglycerides | Federal registry | 1 |
| Lowry (Colorimetric), Total Protein | Federal registry | 1 |
| Massager, Therapeutic, Electric | Federal registry | 1 |
| Material, External Aesthetic Restoration, Used With Adhesive | Federal registry | 1 |
| Media, Potentiating For In Vitro Diagnostic Use | Federal registry | 1 |
| Method, Nephelometric, Immunoglobulins (G, A, M) | Federal registry | 1 |
| Monitor, Esophageal Motility, Anorectal Motility, And Tube | Federal registry | 1 |
| Monitor,Test,Hiv-1 | Federal registry | 1 |
| Multi-Analyte Controls, All Kinds (Assayed) | Federal registry | 1 |
| Multi-Analyte Controls Unassayed | Federal registry | 1 |
| Multiple Autoantibodies, Indirect Immunofluorescent, Antigen, Control | Federal registry | 1 |
| Multi-Target Respiratory Specimen Nucleic Acid Test Including Sars-Cov-2 And Other Microbial Agents | Federal registry | 1 |
| Myoglobin, Antigen, Antiserum, Control | Federal registry | 1 |
| Nadh Oxidation/Nad Reduction, Alt/Sgpt | Federal registry | 1 |
| Nadh Oxidation/Nad Reduction, Ast/Sgot | Federal registry | 1 |
| Nad Reduction/Nadh Oxidation, Lactate Dehydrogenase | Federal registry | 1 |
| Nasopharyngoscope (Flexible Or Rigid) | Federal registry | 1 |
| Nebulizer (Direct Patient Interface) | Federal registry | 1 |
| Night Vision | Company website | 1 |
| Nitrophenylphosphate, Alkaline Phosphatase Or Isoenzymes | Federal registry | 1 |
| Non-Invasive Vagus Nerve Stimulator For Migraine Headache | Federal registry | 1 |
| Non-Invasive Vagus Nerve Stimulator - Headache | Federal registry | 1 |
| Nucleic Acid Amplification Test For The Quantitation Of Bk Virus (Bk) Dna | Federal registry | 1 |
| Nucleic Acid Amplification Test For The Quantitation Of Epstein-Barr Virus (Ebv) Dna | Federal registry | 1 |
| Nucleic Acid Detection System For Non-Viral Microorganism(S) Causing Sexually Transmitted Infections | Federal registry | 1 |
| optical coatings | Company website | 1 |
| optical filters | Company website | 1 |
| Patch Panels | Company website | 1 |
| Phantom, Anthropomorphic, Nuclear | Federal registry | 1 |
| Phantom, Test-Pattern, Radionuclide | Federal registry | 1 |
| Ph Meter | Company website | 1 |
| Photometric Method, Ammonia | Federal registry | 1 |
| Photometric Method, Iron (Non-Heme) | Federal registry | 1 |
| Photometric Method, Magnesium | Federal registry | 1 |
| Plasma, Coagulation Control | Federal registry | 1 |
| Plasma, Coagulation Factor Deficient | Federal registry | 1 |
| Plasma, Control, Normal | Federal registry | 1 |
| Plasminogen, Antigen, Antiserum, Control | Federal registry | 1 |
| Platelet Factor 4 Radioimmunoassay | Federal registry | 1 |
| poe injectors | Company website | 1 |
| Prealbumin, Antigen, Antiserum, Control | Federal registry | 1 |
| Probe, Uptake, Nuclear | Federal registry | 1 |
| Processor, Cervical Cytology Slide, Automated | Federal registry | 1 |