| Knife, Ent | Federal registry | 1 |
| Knife, Nasal | Federal registry | 1 |
| Knife, Surgical | Federal registry | 1 |
| Labware, Assisted Reproduction | Federal registry | 1 |
| Labware, Assisted Reproduction, Exempt | Federal registry | 1 |
| Laparoscopic Accessories, Gynecologic | Federal registry | 1 |
| Laparoscopic Single Port Access Device | Federal registry | 1 |
| Laryngoscope, Endoscope | Federal registry | 1 |
| Laser, Cellulite Appearance | Federal registry | 1 |
| Laser Cutting | Company website | 1 |
| Lasers | Company website | 1 |
| Lasers For Temporary Increase Of Clear Nail In Patients With Onychomycosis | Federal registry | 1 |
| Lavage, Jet | Federal registry | 1 |
| Ldl & Vldl Precipitation, Cholesterol Via Esterase-Oxidase, Hdl | Federal registry | 1 |
| Ldl & Vldl Precipitation, Hdl | Federal registry | 1 |
| Lead, Atomic Absorption | Federal registry | 1 |
| Legacy Products | Company website | 1 |
| Lenses | Company website | 1 |
| Level Measurement | Company website | 1 |
| Lift, Patient, Non-Ac-Powered | Federal registry | 1 |
| Ligator, Esophageal | Federal registry | 1 |
| Ligator, Hemorrhoidal | Federal registry | 1 |
| Light, Examination, Medical, Battery Powered | Federal registry | 1 |
| Light, Headband, Surgical | Federal registry | 1 |
| 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 |
