| MUK — Electrosurgical Radiofrequency System, Stress Urinary Incontinence, Female, Transvaginal Or Laparoscopic, Pelvic Tissue | Class 2 / GU |
| MUL — Generator, Electrosurgical, Coagulation, Cancer | Class 2 / SU |
| MUM — Stent, Metallic, Expandable, Duodenal | Class 2 / GU |
| MUQ — Glue, Surgical, Arteries | Class 3 / CV |
| MUR — Graft, Sclera, Reinforcement | Class 3 / OP |
| MUS — Fluidic, Phacoemulsification/Phacofragmentation | Class 2 / OP |
| MUT — Kit, Test For Nuclear Matrix (Numa) Protein (For Monitoring And Management Of Colorectal Cancer) | Class 2 / IM |
| MUU — System, Suction, Lipoplasty | Class 2 / SU |
| MUW — Lens, Contact (Orthokeratology) | Class 2 / OP |
| MUZ — Stimulator, Autonomic Nerve, Implanted (Depression) | Class 3 / NE |
| MVA — Orthosis, Cranial | Class 2 / NE |
| MVC — System, Test, Her-2/Neu, Ihc | Class 3 / PA |
| MVD — System, Test, Her-2/Neu, Nucleic Acid Or Serum | Class 3 / PA |
| MVE — Biosensor, Immunoassay, Myoglobin | Class 2 / IM |
| MVF — System, Laser, Photodynamic Therapy | Class 3 / SU |
| MVG — System, Laser, Fiber Optic, Photodynamic Therapy | Class 3 / SU |
| MVH — Device, Detection, Sulfide | Class 2 / DE |
| MVJ — Devices, Measure, Antibodies To Glomerular Basement Membrane (Gbm) | Class 2 / IM |
| MVK — Wearable Automated External Defibrillator | Class 3 / CV |
| MVL — Cord, Retraction | Class U / DE |
| MVM — Autoantibodies, Endomysial(Tissue Transglutaminase) | Class 2 / IM |
| MVN — Lens, Contact, (Disposable) | Class 2 / OP |
| MVO — Kit, Test, Multiple, Drugs Of Abuse, Over The Counter | Class U / TX |
| MVR — Device, Anastomotic, Microvascular | Class 2 / SU |
| MVS — Kit, Typing, Hla-Dqb | Class 2 / HE |
| MVU — Reagents, Specific, Analyte | Class 1 / HE |
| MVV — Device, Acupressure | Class U / NE |
| MVW — Kit, Western Blot, Hiv-1 | Class N / HE |
| MVX — Antibody, Monoclonal Blocking, Hiv-1 | Class N / HE |
| MVY — Monoclonal, Hiv-1 | Class N / HE |
| MVZ — System, Test, Home, Hiv-1 | Class 3 / HE |
| MWA — System, Nucleic Acid Amplification, Mycobacterium Tuberculosis Complex | Class 2 / MI |
| MWB — Kit, Test, Saliva, Hiv-1&2 | Class 3 / HE |
| MWD — Electrosurgical, Radio Frequency, Refractive Correction | Class 3 / OP |
| MWG — System, Oxygen, Aqueous | Class 3 / CV |
| MWH — Pulmonic Valved Conduit | Class f / CV |
| MWI — Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms) | Class 2 / CV |
| MWJ — Electrocardiograph, Ambulatory (Without Analysis) | Class 2 / CV |
| MWL — Lens, Contact (Rigid Gas Permeable), Extended Wear | Class 3 / OP |
| MWM — Sensor, Electro-Optical (For Cervical Cancer) | Class 3 / OB |
| MWO — Reagent, Blood Bank, Quality Control | Class N / HE |
| MWP — Cabinet, X-Ray System | Class 2 / RA |
| MWQ — System, Test, Total Antioxidant Status | Class 3 / CH |
| MWS — Stabilizer, Heart | Class 1 / CV |
| MWW — Accessory - Film Dosimetry System | Class 2 / RA |
| MWY — System, Microwave, Hair Removal | Class 2 / SU |
| MWZ — Expander, Breast, External | Class 1 / SU |
| MXA — System, Test, Breath Nitric Oxide | Class 2 / CH |
| MXB — Test, Vaginal, Bacterial Sialidase | Class 1 / CH |
| MXC — Recorder, Event, Implantable Cardiac, (Without Arrhythmia Detection) | Class 2 / CV |