| 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 |
| Medical Gowns With Chemotherapy Labeling Claims - Tested For Use With Chemotherapy Drugs | Federal registry | 1 |
| Mesh, Surgical, Non-Absorbable, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Non-Resorbable, Orthopedics, Reinforcement Of Ligament | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| metal finishing equipment | Company website | 1 |
| meters | Company website | 1 |
| Method, Enzymatic, Glucose (Urinary, Non-Quantitative) | Federal registry | 1 |
| Micro Pipette | Federal registry | 1 |
| military packaging | Company website | 1 |
| Mil-Spec Contacts | Company website | 1 |
| Mixer, Cement, For Clinical Use | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Mortar | Company website | 1 |
| Mounting Media | Federal registry | 1 |
| Mouthpiece, Breathing | Federal registry | 1 |
| Multi-Analyte Respiratory Virus Antigen Detection Test | Federal registry | 1 |
| Mycoplasma Pneumoniae Dna Assay System | Federal registry | 1 |
| Needle, Aspiration And Injection, Disposable | Federal registry | 1 |
| Needle, Aspiration And Injection, Reusable | Federal registry | 1 |
| Needle, Catheter | Federal registry | 1 |
| Needle, Neurosurgical Suture | Federal registry | 1 |
| Needle, Ophthalmic Suturing | Federal registry | 1 |
| Needle, Suturing, Disposable | Federal registry | 1 |
| Needle, Suturing, Reusable | Federal registry | 1 |
| Needle, Tonsil Suturing | Federal registry | 1 |
| Nerve Block Tray | Federal registry | 1 |
| Network | Company website | 1 |
| Neurosurgical Paddie | Federal registry | 1 |
| Nipper, Malleus | Federal registry | 1 |
| Nitroprusside, Ketones (Urinary, Non-Quant.) | Federal registry | 1 |
| Non-Coring (Huber) Needle | Federal registry | 1 |
| Non-Sars Coronavirus Multiplex Nucleic Acid Assay | Federal registry | 1 |
| Non-Surgical Gown | Federal registry | 1 |
| Nucleic Acid Amplification Test For The Quantitation Of Bk Virus (Bk) Dna | Federal registry | 1 |
| Nucleic Acid Amplification Test For The Quantitation Of Epstein-Barr Virus (Ebv) Dna | Federal registry | 1 |
| Nucleic Acid Detection System For Non-Viral Microorganism(S) Causing Sexually Transmitted Infections | Federal registry | 1 |
| Operating Room Accessories Table Tray | Federal registry | 1 |
| Optical encoders | Company website | 1 |
| Orotracheal Intubation Guide Kit | Federal registry | 1 |
| Orthopedic Stereotaxic Instrument | Federal registry | 1 |
| Orthopedic Tray | Federal registry | 1 |
| Orthosis, Abdominal | Federal registry | 1 |
| Orthosis, Cervical | Federal registry | 1 |
| Orthosis, Cervical-Thoracic, Rigid | Federal registry | 1 |
| Orthosis, Corrective Shoe | Federal registry | 1 |
| Orthosis, Foot Drop | Federal registry | 1 |
| Orthosis, Limb Brace | Federal registry | 1 |
