| Lens, Multifocal Intraocular | Federal registry | 1 |
| Lens, Spectacle, Non-Custom (Prescription) | Federal registry | 1 |
| Light, Headband, Surgical | Federal registry | 1 |
| Light, Microscope | Federal registry | 1 |
| Light Source, Fiberoptic, Routine | Federal registry | 1 |
| Liner, Cavity, Calcium Hydroxide | Federal registry | 1 |
| Locator, Root Apex | Federal registry | 1 |
| Loop, Wire | Federal registry | 1 |
| Loupe, Binocular, Low Power | Federal registry | 1 |
| Mallet | Federal registry | 1 |
| Manual Colony Counter | Federal registry | 1 |
| Marker, Sclera | Federal registry | 1 |
| Mask, Oxygen | Federal registry | 1 |
| Mask, Oxygen, Low Concentration, Venturi | Federal registry | 1 |
| Mask, Surgical | Federal registry | 1 |
| Material, Impression Tray, Resin | Federal registry | 1 |
| Material, Tooth Shade, Resin | Federal registry | 1 |
| Mattress, Flotation Therapy, Non-Powered | Federal registry | 1 |
| Mechanical Thrombolysis Catheter | Federal registry | 1 |
| Media, Corneal Storage | Federal registry | 1 |
| Meter, Peak Flow, Spirometry | Federal registry | 1 |
| Microscope, Operating, Non-Electric, Ophthalmic | Federal registry | 1 |
| Midline Catheter | Federal registry | 1 |
| Mirror, Headband, Ophthalmic | Federal registry | 1 |
| Mirror, Mouth | Federal registry | 1 |
| Miscellaneous | Company website | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Monitor, Bed Patient | Federal registry | 1 |
| Monitor, Breathing Frequency | Federal registry | 1 |
| Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms) | Federal registry | 1 |
| Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms) | Federal registry | 1 |
| Monitor, St Segment With Alarm | Federal registry | 1 |
| Mouthguard, Prescription | Federal registry | 1 |
| Mouthpiece, Saliva Ejector | Federal registry | 1 |
| Nail, Fixation, Bone | Federal registry | 1 |
| Nebulizer, Medicinal, Non-Ventilatory (Atomizer) | Federal registry | 1 |
| Needle, Gastro-Urology | Federal registry | 1 |
| Needle, Hypodermic, Single Lumen | Federal registry | 1 |
| Needle, Suturing, Disposable | Federal registry | 1 |
| Needle, Suturing, Reusable | Federal registry | 1 |
| Needle, Tonsil Suturing | Federal registry | 1 |
| Negative Pressure Wound Therapy Powered Suction Pump | Federal registry | 1 |
| Neurological Stereotaxic Instrument | Federal registry | 1 |
| Nipper, Malleus | Federal registry | 1 |
| Non-Surgical Gown | Federal registry | 1 |
| Ophthalmoscope, Ac-Powered | Federal registry | 1 |
| Orchidometer | Federal registry | 1 |
| O-RINGS | Company website | 1 |
| Orthodontic Software | Federal registry | 1 |
| Orthosis, Cervical | Federal registry | 1 |