| Microtome, Accessories | Federal registry | 1 |
| Microtome, Cryostat | Federal registry | 1 |
| Microtome, Freezing Attachment | Federal registry | 1 |
| Microtome, Rotary | Federal registry | 1 |
| Microtome, Sliding | Federal registry | 1 |
| Mirror, General & Plastic Surgery | Federal registry | 1 |
| Mirror, Mouth | Federal registry | 1 |
| Mixer, Blood Tube | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| molded seals | Company website | 1 |
| Monitor, Airway Pressure (Includes Gauge And/Or Alarm) | Federal registry | 1 |
| Monitor, Breathing Frequency | Federal registry | 1 |
| Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm) | Federal registry | 1 |
| Monitor, Ultrasonic, Fetal | Federal registry | 1 |
| monument signs | Company website | 1 |
| Motor, Drill, Pneumatic | Federal registry | 1 |
| Motor, Surgical Instrument, Pneumatic Powered | Federal registry | 1 |
| Mounting Media | Federal registry | 1 |
| Mouthguard, Over-The-Counter | Federal registry | 1 |
| Mouthguard, Prescription | Federal registry | 1 |
| Mouthpiece, Breathing | Federal registry | 1 |
| Multiple Autoantibodies, Indirect Immunofluorescent, Antigen, Control | Federal registry | 1 |
| Multiple Use Blood Lancet For Single Patient Use Only | 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 |
| Nail, Fixation, Bone | Federal registry | 1 |
| Nebulizer (Direct Patient Interface) | Federal registry | 1 |
| Nebulizer, Medicinal, Non-Ventilatory (Atomizer) | Federal registry | 1 |
| Needle, Dental | Federal registry | 1 |
| Needle, Suturing, Reusable | Federal registry | 1 |
| Negative Pressure Wound Therapy Powered Suction Pump | Federal registry | 1 |
| Nerve Block Tray | Federal registry | 1 |
| Neurological Stereotaxic Instrument | Federal registry | 1 |
| Neurosurgical Nerve Locator | Federal registry | 1 |
| Neurosurgical Paddie | Federal registry | 1 |
| newproducts | Company website | 1 |
| Nitroprusside, Ketones (Urinary, Non-Quant.) | Federal registry | 1 |
| Orthopedic Stereotaxic Instrument | Federal registry | 1 |
| Orthosis, Abdominal | Federal registry | 1 |
| Orthosis, Cervical-Thoracic, Rigid | Federal registry | 1 |
| Orthosis, Limb, For Back Pain | Federal registry | 1 |
| Orthosis, Moldable, Supportive, Skin Protective | Federal registry | 1 |
| Orthosis, Sacroiliac, Soft | Federal registry | 1 |
| Orthosis, Spinal Pedicle Fixation | Federal registry | 1 |
| Orthosis, Spondylolisthesis Spinal Fixation | Federal registry | 1 |
| Orthosis, Truncal, Pregnancy | Federal registry | 1 |
| Ovens, Paraffin | Federal registry | 1 |
| Over-The-Counter Automated External Defibrillator | Federal registry | 1 |
| owls | Company website | 1 |