| Media, Reproductive, Exempt | Federal registry | 1 |
| Mediastinoscope, Surgical | Federal registry | 1 |
| Medical Equipment | Company website | 1 |
| Medical Gloves With Chemotherapy Labeling Claims - Test For Use With Chemotherapy Drugs | Federal registry | 1 |
| membrane switches | Company website | 1 |
| Mercuric Thiocyanate, Colorimetry, Chloride | Federal registry | 1 |
| Mesh, Surgical, Acetabular, Hip, Prosthesis | Federal registry | 1 |
| Mesh, Surgical, Collagen, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Collagen, Plastic And Reconstructive Surgery | Federal registry | 1 |
| Mesh, Surgical, Deployer | Federal registry | 1 |
| Mesh, Surgical, Deployment Balloon | Federal registry | 1 |
| Mesh, Surgical, Non-Absorbable, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Apical Vaginal And Uterine Prolapse, Transabdominally Placed | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Female, Mini-Sling | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Retropubic Or Transobturator | Federal registry | 1 |
| metal hose | Company website | 1 |
| Methylene Blue, Tissue Stain | Federal registry | 1 |
| Methyl Green | Federal registry | 1 |
| Micromanipulators And Microinjectors, Assisted Reproduction | Federal registry | 1 |
| Microscope And Microscope Accessories, Reproduction, Assisted | Federal registry | 1 |
| Microscope, Inverted Stage, Tissue Culture | Federal registry | 1 |
| Microscope, Surgical | Federal registry | 1 |
| Microscope, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Microtools, Assisted Reproduction (Pipettes), Exempt | Federal registry | 1 |
| military packaging | Company website | 1 |
| Mini Endoscope, Gastroenterology-Urology | Federal registry | 1 |
| Minor Surgical Procedures Tray | Federal registry | 1 |
| Mirror, Ent | Federal registry | 1 |
| Mirrors | Company website | 1 |
| Mixer, Breathing Gases, Anesthesia Inhalation | Federal registry | 1 |
| Mobile / Tablet Software Application To Control Settings Of Surgical And Endoscopic Camera | Federal registry | 1 |
| Monitor, Apnea, Facility Use | Federal registry | 1 |
| Monitor, Bed Patient | Federal registry | 1 |
| Monitor, Blood-Gas, On-Line, Cardiopulmonary Bypass | Federal registry | 1 |
| Monitor, Carbon-Dioxide, Cutaneous | Federal registry | 1 |
| Monitor, Electric For Gravity Flow Infusion Systems | Federal registry | 1 |
| Monitor, Extracellular Fluid, Lymphedema, Extremity | Federal registry | 1 |
| Monitors | Company website | 1 |
| Monitor, Temperature, Dialysis | Federal registry | 1 |
| motor control | Company website | 1 |
| Motor, Drill, Electric | Federal registry | 1 |
| Mounts | Company website | 1 |
| Mouthguard, Prescription | Federal registry | 1 |
| Mouthpiece, Saliva Ejector | Federal registry | 1 |
| Mucicarmine | Federal registry | 1 |
| Muller'S Colloidal Iron | Federal registry | 1 |
| Multi-Analyte Respiratory Virus Antigen Detection Test | Federal registry | 1 |
| Mycoplasma Pneumoniae Dna Assay System | Federal registry | 1 |
| Myoglobin, Antigen, Antiserum, Control | Federal registry | 1 |
