| Marker, Sclera | Federal registry | 1 |
| Mask, Gas, Anesthetic | Federal registry | 1 |
| Mask, Oxygen, Low Concentration, Venturi | Federal registry | 1 |
| Mask, Scavenging | Federal registry | 1 |
| Mattress, Air Flotation, Alternating Pressure | Federal registry | 1 |
| Media, Coupling, Ultrasound | Federal registry | 1 |
| Mediastinoscope, Surgical | Federal registry | 1 |
| Mesh, Surgical, Absorbable, Staple Line Reinforcement | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| Microfilter, Blood Transfusion | Federal registry | 1 |
| Microtome, Accessories | Federal registry | 1 |
| Mirror, Ent | Federal registry | 1 |
| Mirror, General & Plastic Surgery | Federal registry | 1 |
| Mirror, Headband, Ophthalmic | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms) | Federal registry | 1 |
| Multi-Lumen Hemodialysis Catheterization Kit | Federal registry | 1 |
| Myringotomy Procedure Kit | Federal registry | 1 |
| Nebulizer, Medicinal, Non-Ventilatory (Atomizer) | Federal registry | 1 |
| Needle, Aspiration And Injection, Disposable | Federal registry | 1 |
| Needle, Aspiration And Injection, Reusable | Federal registry | 1 |
| Needle, Biopsy, Cardiovascular | Federal registry | 1 |
| Needle, Catheter | Federal registry | 1 |
| Needle, Cerclage, Gynecological | Federal registry | 1 |
| Needle, Spinal, Short Term | Federal registry | 1 |
| Needle, Tumor Localization | Federal registry | 1 |
| Nerve Block Tray | Federal registry | 1 |
| Neurological Tray | Federal registry | 1 |
| Nipper, Malleus | Federal registry | 1 |
| Obstetrical Kit | Federal registry | 1 |
| Occluder, Catheter Tip | Federal registry | 1 |
| Operating Room Accessories Table Tray | Federal registry | 1 |
| Orthopedic Stereotaxic Instrument | Federal registry | 1 |
| Orthopedic Tray | Federal registry | 1 |
| Orthosis, Cervical | Federal registry | 1 |
| Orthosis, Corrective Shoe | Federal registry | 1 |
| Orthosis, Foot Drop | Federal registry | 1 |
| Orthosis, Lumbar | 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 |
| Orthosis, Truncal/Orthosis, Limb | Federal registry | 1 |
| Osteotome | Federal registry | 1 |
| Osteotome, Manual | Federal registry | 1 |
| Otoscope | Federal registry | 1 |
| Pack, Heat, Moist | Federal registry | 1 |
| Pad, Menstrual, Unscented | Federal registry | 1 |
| Pap Smear Kit | Federal registry | 1 |
| Paracentesis Tray | Federal registry | 1 |
| Passer | Federal registry | 1 |
