| Light, Microscope | Federal registry | 1 |
| Light, Surgical, Accessories | Federal registry | 1 |
| Light, Surgical, Carrier | Federal registry | 1 |
| Light, Surgical, Fiberoptic | Federal registry | 1 |
| Light, Surgical Headlight | Federal registry | 1 |
| Light, Surgical, Instrument | Federal registry | 1 |
| Lithotriptor, Extracorporeal Shock-Wave, Urological | Federal registry | 1 |
| Lithotriptor, Ultrasonic | Federal registry | 1 |
| Loupe, Diagnostic/Surgical | Federal registry | 1 |
| Lubricant, Patient | Federal registry | 1 |
| Lubricant, Personal | Federal registry | 1 |
| Machined Products | Company website | 1 |
| Maintainer, Space Preformed, Orthodontic | Federal registry | 1 |
| Malachite Green | Federal registry | 1 |
| Mask, Gas, Anesthetic | Federal registry | 1 |
| Massager, Powered Inflatable Tube | Federal registry | 1 |
| Massager, Therapeutic, Electric | Federal registry | 1 |
| Mass Spectrometer, Clinical Use | Federal registry | 1 |
| Mass Spectrometry, Microorganism Identification, Blood Culture | Federal registry | 1 |
| Material, Impression | Federal registry | 1 |
| Material, Quality Control, Semen Analysis | Federal registry | 1 |
| Material, Tooth Shade, Resin | Federal registry | 1 |
| Mattress, Flotation Therapy, Non-Powered | Federal registry | 1 |
| md series | Company website | 1 |
| Media And Components, Synthetic Cell And Tissue Culture | Federal registry | 1 |
| Media, Reproductive | Federal registry | 1 |
| 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, Deployer | Federal registry | 1 |
| Mesh, Surgical, Deployment Balloon | Federal registry | 1 |
| Mesh, Surgical, Metal | Federal registry | 1 |
| Mesh, Surgical, Non-Absorbable, Orthopaedics, Reinforcement Of Tendon | 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 |
