| 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 |
| 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 |
| Orthosis, Lumbo-Sacral | Federal registry | 1 |
| Orthosis, Spinal Pedicle Fixation | Federal registry | 1 |
| Orthosis, Spine, Plate, Laminoplasty, Metal | Federal registry | 1 |
| Orthosis, Spondylolisthesis Spinal Fixation | Federal registry | 1 |
| Ostomy Care | Company website | 1 |
| Oximeter | Federal registry | 1 |
| Oximeter, Tissue Saturation | Federal registry | 1 |
| Packer, Uterine | Federal registry | 1 |
| Pad, Alcohol, Device Disinfectant | Federal registry | 1 |
| Patient Monitoring | Company website | 1 |
