| MHE — Implant, Auditory Brainstem | Class 3 / EN |
| MHI — Giardia Spp. | Class 2 / MI |
| MHJ — Cryptosporidium Spp. | Class 2 / MI |
| MHR — Test, Anti-Tumor Cell Susceptibility | Class 3 / MI |
| MHW — Dressing, Compression | Class 1 / SU |
| MHX — Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms) | Class 2 / CV |
| MHY — Stimulator, Electrical, Implanted, For Parkinsonian Tremor | Class 3 / NE |
| MHZ — Stimulator, Vestibular Acceleration, Therapeutic | Class 3 / NE |
| MIA — Needle, Spinal, Short Term | Class 2 / AN |
| MIB — Elastomer, Silicone Block | Class 2 / SU |
| MIC — Implant, Muscle, Pectoralis | Class 2 / SU |
| MID — System, Test, Anticardiolipin Immunological | Class 2 / IM |
| MIE — Heart-Valve, Allograft | Class 3 / CV |
| MIF — Prothrombin Fragment 1.2 | Class 2 / HE |
| MIG — Strip, Test Isoniazid | Class U / TX |
| MIH — System, Endovascular Graft, Aortic Aneurysm Treatment | Class 3 / CV |
| MIJ — Needle, Tumor Localization | Class 1 / SU |
| MIK — Device, Ultrasonic, Thermal Ablation | Class 3 / GU |
| MIP — Implanted Fecal Incontinence Device | Class 3 / GU |
| MIR — Shunt, Portosystemic, Endoprosthesis | Class 3 / CV |
| MIU — Enzyme Linked Immunosorbent Assay, T. Cruzi | Class 1 / MI |
| MIV — Immunofluorescent Assay, T. Cruzi | Class 1 / MI |
| MIX — System, Vocal Cord Medialization | Class 2 / EN |
| MIY — Enzyme Linked Immunosorbent Assay, Coccidioides Immitis | Class 2 / MI |
| MIZ — Enzyme Linked Immunoabsorbent Assay, Histoplasma Capsulatum | Class 2 / MI |
| MJA — Susceptibility Test Powders, Antimycobacterial | Class 2 / MI |
| MJB — Antigen, Cancer 549 | Class 3 / IM |
| MJC — Catheter, Urological (Antimicrobial) And Accessories | Class 2 / GU |
| MJD — Culture Media, Antimycobacteria, Susceptibility Test | Class 2 / MI |
| MJE — Culture Media, Antifungal, Susceptibility Test | Class 2 / MI |
| MJF — Check Valve, Retrograde Flow (In-Line) | Class 2 / HO |
| MJG — Device, Percutaneous, Biopsy | Class 1 / SU |
| MJH — Legionella, Spp., Elisa | Class 2 / MI |
| MJI — Specimen/Tissue, Identification Orientation | Class 1 / PA |
| MJJ — Cpb Check Valve, Retrograde Flow, In-Line | Class 2 / CV |
| MJK — Dna Probe, Trichomonas Vaginalis | Class 1 / MI |
| MJL — Eia, Blastomyces Dermatitidis | Class 2 / MI |
| MJM — Dna Probe, Gardnerella Vaginalis | Class 1 / MI |
| MJN — Catheter, Intravascular Occluding, Temporary | Class 2 / CV |
| MJO — Prosthesis, Intervertebral Disc | Class 3 / OR |
| MJP — Lens, Intraocular, Toric Optics | Class 3 / OP |
| MJS — Contrast Media, Ultrasound | Class 3 / RA |
| MJT — Prosthesis, Shoulder, Humeral (Bipolar Hemi-Shoulder) Metal/Polymer, Cemented Or Uncemented | Class 3 / OR |
| MJV — Device, Inflation, Middle Ear | Class U / EN |
| MJW — Prosthesis, Subtalar, Plug, Polymer | Class 2 / OR |
| MJX — Kit, Serological, Positive Control | Class 1 / MI |
| MJY — Kit, Serological, Negative Control | Class 1 / MI |
| MJZ — Kit, Direct Antigen, Positive Control | Class 1 / MI |
| MKA — Kit, Direct Antigen, Negative Control | Class 1 / MI |
| MKB — Device, Germicidal, Ultraviolet | Class 2 / HO |