| Masker, Tinnitus | Federal registry | 1 |
| Material, Dressing, Surgical, Polylactic Acid | Federal registry | 1 |
| Material, External Aesthetic Restoration, No Adhesive | Federal registry | 1 |
| Material, Polytetrafluoroethylene Vitreous Carbon, For Maxillofacial Reconstruction | Federal registry | 1 |
| Media And Components, Synthetic Cell And Tissue Culture | Federal registry | 1 |
| Medical Device Data System | Federal registry | 1 |
| Medical Glove, Specialty | Federal registry | 1 |
| Medical Gloves With Chemotherapy Labeling Claims - Test For Use With Chemotherapy Drugs | Federal registry | 1 |
| Mesh, Surgical, Collagen, Diaphragmatic Hernia | Federal registry | 1 |
| Mesh, Surgical, Collagen, Large Abdominal Wall Defects | Federal registry | 1 |
| Mesh, Surgical, Collagen, Plastic And Reconstructive Surgery | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| Methyl Methacrylate For Cranioplasty | Federal registry | 1 |
| Microscope, Operating & Accessories, Ac-Powered, Ophthalmic | Federal registry | 1 |
| Microscope, Specular | Federal registry | 1 |
| Mirror, Ent | Federal registry | 1 |
| Mirror, General & Plastic Surgery | Federal registry | 1 |
| Mixture, Hematology Quality Control | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm) | Federal registry | 1 |
| Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms) | Federal registry | 1 |
| Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms) | Federal registry | 1 |
| Monitor, St Segment | Federal registry | 1 |
| Monitor, St Segment With Alarm | Federal registry | 1 |
| Multi-Analyte Controls, All Kinds (Assayed) | 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, Cpk Or Isoenzymes | Federal registry | 1 |
| Nad Reduction/Nadh Oxidation, Lactate Dehydrogenase | Federal registry | 1 |
| Nail, Fixation, Bone | Federal registry | 1 |
| Needle, Catheter | Federal registry | 1 |
| Needle, Conduction, Anesthetic (W/Wo Introducer) | Federal registry | 1 |
| Needle, Dental | Federal registry | 1 |
| Needle, Ophthalmic Suturing | Federal registry | 1 |
| Needle, Suturing, Disposable | Federal registry | 1 |
| Needle, Suturing, Reusable | Federal registry | 1 |
| Neurological Tray | Federal registry | 1 |
| Neurosurgical Nerve Locator | Federal registry | 1 |
| Neurosurgical Paddie | Federal registry | 1 |
| Neurosurgical Ultrasonic Instruments | Federal registry | 1 |
| Nipper, Malleus | Federal registry | 1 |
| Nitrophenylphosphate, Alkaline Phosphatase Or Isoenzymes | Federal registry | 1 |
| Non-Coring (Huber) Needle | Federal registry | 1 |
| Non-Normalizing Quantitative Electroencephalograph Software | Federal registry | 1 |
| office supplies | Company website | 1 |
| Operating Room Accessories Table Tray | Federal registry | 1 |
| ORTHODONTICS | Company website | 1 |
| Orthosis, Corrective Shoe | Federal registry | 1 |
| Orthosis, Limb Brace | Federal registry | 1 |
| Orthosis, Lumbar | Federal registry | 1 |
