| Maintainer, Space Preformed, Orthodontic | Federal registry | 2 |
| Mallet | Federal registry | 2 |
| Marker, Ocular | Federal registry | 2 |
| Marker, Sclera | Federal registry | 2 |
| Media, Mounting, Oil Soluble | Federal registry | 2 |
| Medical Device Data System | Federal registry | 2 |
| Medical Glove, Specialty | Federal registry | 2 |
| Medical Gloves With Chemotherapy Labeling Claims - Test For Use With Chemotherapy Drugs | Federal registry | 2 |
| Method, Enzymatic, Glucose (Urinary, Non-Quantitative) | Federal registry | 2 |
| Mobilizer, Ent | Federal registry | 2 |
| Monitor, Bed Patient | Federal registry | 2 |
| Multi-Target Respiratory Specimen Nucleic Acid Test Including Sars-Cov-2 And Other Microbial Agents | Federal registry | 2 |
| Nebulizer (Direct Patient Interface) | Federal registry | 2 |
| Needle, Aspiration And Injection, Disposable | Federal registry | 2 |
| Needle, Aspiration And Injection, Reusable | Federal registry | 2 |
| Needle, Conduction, Anesthetic (W/Wo Introducer) | Federal registry | 2 |
| Needle, Ophthalmic Suturing | Federal registry | 2 |
| Needle, Suturing, Reusable | Federal registry | 2 |
| Needle, Tonsil Suturing | Federal registry | 2 |
| Negative Pressure Wound Therapy Powered Suction Pump | Federal registry | 2 |
| Nipper, Malleus | Federal registry | 2 |
| Nitroprusside, Ketones (Urinary, Non-Quant.) | Federal registry | 2 |
| Orange G | Federal registry | 2 |
| Orthosis, Cervical | Federal registry | 2 |
| Orthosis, Corrective Shoe | Federal registry | 2 |
| Orthosis, Limb Brace | Federal registry | 2 |
| Orthosis, Spine, Plate, Laminoplasty, Metal | Federal registry | 2 |
| Osteotome, Manual | Federal registry | 2 |
| Otoscope | Federal registry | 2 |
| Pack, Hot Or Cold, Water Circulating | Federal registry | 2 |
| Passer | Federal registry | 2 |
| Patient Personal Hygiene Kit | Federal registry | 2 |
| Pedicle Screw Spinal System, Adolescent Idiopathic Scoliosis | Federal registry | 2 |
| Peripheral Catheter Insertion Kit | Federal registry | 2 |
| Pick, Massaging | Federal registry | 2 |
| Pick, Microsurgical Ear | Federal registry | 2 |
| Pinwheel | Federal registry | 2 |
| Plaque Disclosing Agent | Federal registry | 2 |
| Probe And Director, Gastro-Urology | Federal registry | 2 |
| Probe, Ent | Federal registry | 2 |
| Probe, Rectal, Non-Powered | Federal registry | 2 |
| Prosthesis, Ankle, Semi-Constrained, Cemented, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer | Federal registry | 2 |
| Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer | Federal registry | 2 |
| Pump, Breast, Non-Powered | Federal registry | 2 |
| Pump, Breast, Powered | Federal registry | 2 |
| Pump, Infusion, Enteral | Federal registry | 2 |
| Punch, Adenoid | Federal registry | 2 |
| Punch, Antrum | Federal registry | 2 |
| Punch, Biopsy, Surgical | Federal registry | 2 |