| MPT — Contraception Calculator | Class 2 / OB |
| MPU — Source, Chemiluminescent Light | Class 2 / OB |
| MPV — Implant, Hearing, Active, Middle Ear, Partially Implanted | Class 3 / EN |
| MPW — Filler, Recombinant Human Bone Morphogenetic Protein, Collagen Scaffold, Osteoinduction | Class 3 / OR |
| MQA — Anti-Ribosomal P Antibodies | Class 2 / IM |
| MQB — Solid State X-Ray Imager (Flat Panel/Digital Imager) | Class 2 / RA |
| MQC — Mouthguard, Prescription | Class U / DE |
| MQE — Needle, Assisted Reproduction | Class 2 / OB |
| MQF — Catheter, Assisted Reproduction | Class 2 / OB |
| MQG — Accessory, Assisted Reproduction | Class 2 / OB |
| MQH — Microtools, Assisted Reproduction (Pipettes) | Class 2 / OB |
| MQI — Microtool Fabrication, Assisted Reproduction | Class 2 / OB |
| MQJ — Micromanipulators And Microinjectors, Assisted Reproduction | Class 2 / OB |
| MQK — Labware, Assisted Reproduction | Class 2 / OB |
| MQL — Media, Reproductive | Class 2 / OB |
| MQM — Bilirubin (Total And Unbound) In The Neonate Test System | Class 1 / CH |
| MQN — External Mandibular Fixator And/Or Distractor | Class 2 / DE |
| MQO — Prosthetic Disc Nucleus Device | Class N / OR |
| MQP — Spinal Vertebral Body Replacement Device | Class 2 / OR |
| MQR — Stent, Colonic, Metallic, Expandable | Class 2 / GU |
| MQS — System, Hemodialysis, Access Recirculation Monitoring | Class 2 / GU |
| MQT — Pump, Drug Administration, Closed Loop | Class 3 / HO |
| MQU — Ocular Peg | Class 2 / OP |
| MQV — Filler, Bone Void, Calcium Compound | Class 2 / OR |
| MQW — Transilluminator, Fiber Optic | Class 1 / EN |
| MQX — Needle, Acupuncture, Single Use | Class 2 / HO |
| MQZ — Prosthesis, Nail | Class U / SU |
| MRA — Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Ceramic/Metal, Cemented Or Uncemented | Class 3 / OR |
| MRB — Indicator, Biological, Liquid Chemical Sterilization Process | Class 2 / HO |
| MRC — Products, Contact Lens Care, Rigid Gas Permeable | Class 2 / OP |
| MRD — Mammary Sizer | Class U / SU |
| MRE — Solution, Sodium Hyaluronate | Class 3 / GU |
| MRG — System, Test, Vitamin D | Class 2 / CH |
| MRH — Pump, Infusion, Ophthalmic | Class 2 / OP |
| MRI — Orthosis, Truncal/Orthosis, Limb | Class 1 / PM |
| MRJ — Ring, Endocapsular | Class 3 / OP |
| MRK — System, Imaging, Fluorescence | Class 3 / EN |
| MRL — Scale, Sponge, Surgical, Electrically-Powered | Class 1 / HO |
| MRM — Defibrillator, Implantable, Dual-Chamber | Class 3 / CV |
| MRN — Apparatus, Nitric Oxide Delivery | Class 2 / AN |
| MRO — Apparatus, Nitric Oxide, Backup Delivery | Class 2 / AN |
| MRP — Analyzer, Nitric Oxide | Class 2 / AN |
| MRQ — Analyzer, Nitrogen Dioxide | Class 2 / AN |
| MRR — System, Test, Low Density, Lipoprotein | Class 1 / CH |
| MRS — Test System, Nicotine, Cotinine, Metabolites | Class 1 / TX |
| MRU — Implanted Subcortical Electrical Stimulator (Motor Disorders) | Class f / NE |
| MRV — Drink, Glucose Tolerance | Class 2 / CH |
| MRW — System, Facet Screw Spinal Device | Class U / OR |
| MRX — System, Assisted Reproduction Laser | Class 2 / OB |
| MRY — Appliances And Accessories, Fixation, Bone, Absorbable Single/Multiple Component | Class 2 / OR |