| Level Switches | Company website | 1 |
| Library | Company website | 1 |
| Ligator, Hemorrhoidal | Federal registry | 1 |
| Light, Surgical, Accessories | Federal registry | 1 |
| Light, Surgical, Fiberoptic | Federal registry | 1 |
| Light, Ultraviolet, Dermatological | Federal registry | 1 |
| L-Leucine-4-Nitroanilide (Colorimetric), Leucine Arylamidase | Federal registry | 1 |
| Lubricant, Patient | Federal registry | 1 |
| Lubricant, Personal | Federal registry | 1 |
| Lubricant, Vaginal, Patient | Federal registry | 1 |
| Mallet | Federal registry | 1 |
| Marker, Radiographic, Implantable | Federal registry | 1 |
| Mask, Gas, Anesthetic | Federal registry | 1 |
| Material, Impression | Federal registry | 1 |
| Mercuric Thiocyanate, Colorimetry, Chloride | Federal registry | 1 |
| Mesh, Surgical, Absorbable, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Collagen, Large Abdominal Wall Defects | Federal registry | 1 |
| Mesh, Surgical, Collagen, Plastic And Reconstructive Surgery | Federal registry | 1 |
| Mesh, Surgical, Collagen, Staple Line Reinforcement | Federal registry | 1 |
| Mesh, Surgical, Collagen, Thoracic, Chest Wall Reconstruction | Federal registry | 1 |
| Mesh, Surgical, Non-Synthetic, Urogynecologic, For Apical Vaginal And Uterine Prolapse, Transabdominally Placed | Federal registry | 1 |
| Metal Printing | Company website | 1 |
| Metal Stamping | Company website | 1 |
| Meter, Conductivity, Induction, Remote Type | Federal registry | 1 |
| Meter, Peak Flow, Spirometry | Federal registry | 1 |
| Method, Enzymatic, Glucose (Urinary, Non-Quantitative) | Federal registry | 1 |
| Method, Nephelometric, Immunoglobulins (G, A, M) | Federal registry | 1 |
| Micro Pipette | Federal registry | 1 |
| Microscope, Surgical | Federal registry | 1 |
| Microtome, Accessories | Federal registry | 1 |
| Microtome, Rotary | Federal registry | 1 |
| Microtome, Sliding | Federal registry | 1 |
| Midline Catheter | Federal registry | 1 |
| Minor Surgical Procedures Tray | Federal registry | 1 |
| Modules | Company website | 1 |
| Monitor, Airway Pressure (Includes Gauge And/Or Alarm) | Federal registry | 1 |
| Monitor And/Or Control, Level Sensing, Cardiopulmonary Bypass | Federal registry | 1 |
| Monitor, Blood-Flow, Ultrasonic | Federal registry | 1 |
| Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm) | Federal registry | 1 |
| Monitor, Extracellular Fluid, Lymphedema, Extremity | 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 |
| Monitor, Ultrasonic, Fetal | Federal registry | 1 |
| Mouthpiece, Breathing | Federal registry | 1 |
| Multi-Analyte Respiratory Virus Antigen Detection Test | Federal registry | 1 |
| Multiplex Immunoassay For T. Gondii, Rubella, Cytomegalovirus And Herpes Simplex Virus 1 And 2 | Federal registry | 1 |
| Myoglobin, Antigen, Antiserum, Control | Federal registry | 1 |
| Nebulizer (Direct Patient Interface) | Federal registry | 1 |
| Nebulizer, Medicinal, Non-Ventilatory (Atomizer) | Federal registry | 1 |
