| LTO — Spacer, Cement | Class 3 / OR |
| LTQ — Calibrator For Alpha-Fetoprotein In Mid-Pregnancy Maternal Serum | Class 3 / IM |
| LTS — Test Reagents, Neisseria Gonorrhoeae Biochemical | Class 1 / MI |
| LTT — Panels, Test, Susceptibility, Antimicrobial | Class 2 / MI |
| LTW — Susceptibility Test Cards, Antimicrobial | Class 2 / MI |
| LTX — Discs, Elution | Class 2 / MI |
| LTY — Fluid, Cytological Collection | Class 3 / OB |
| LTZ — Condom With Nonoxynol-9 | Class 2 / OB |
| LWA — Prosthesis, Ligament, Ptfe | Class 3 / OR |
| LWB — Stimulator, Functional Neuromuscular, Scoliosis | Class 3 / PM |
| LWE — Bone Marrow Collection/Transfusion Kit | Class 2 / HO |
| LWF — Dilator, Nasal | Class 1 / EN |
| LWG — Surgical Table Cushion | Class 1 / SU |
| LWH — Counter, Sponge, Surgical | Class 1 / SU |
| LWI — Ultrasound, Sinus | Class 2 / EN |
| LWJ — Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented | Class 2 / OR |
| LWK — Razor, Surgical | Class 1 / SU |
| LWL — Fluid, Intraocular | Class 3 / OP |
| LWM — Device, Electrical Dental Anesthesia | Class U / DE |
| LWO — Pulse-Generator, Single Chamber, Sensor Driven, Implantable | Class 3 / CV |
| LWP — Implantable Pulse Generator, Pacemaker (Non-Crt) | Class 3 / CV |
| LWQ — Heart-Valve, Mechanical | Class 3 / CV |
| LWR — Heart-Valve, Non-Allograft Tissue | Class 3 / CV |
| LWS — Implantable Cardioverter Defibrillator (Non-Crt) | Class 3 / CV |
| LWT — Occluder, Balloon, Vena-Cava | Class 3 / CV |
| LWW — Pulse-Generator, Single Chamber, Single | Class 3 / CV |
| LWX — Device. Laser Peripheral Angioplasty | Class 3 / CV |
| LWZ — Tissue Graft Of Less Than 6mm | Class 3 / CV |
| LXA — Tissue Graft Of 6mm And Greater | Class 3 / CV |
| LXB — Hearing Aid, Bone Conduction | Class 2 / EN |
| LXC — Monitor, Pressure, Intracompartmental | Class U / OR |
| LXE — Doppler, Fetal, Ultrasound | Class 2 / RA |
| LXF — Diathermy, Ultrasonic, For Use Other Than Applying Therapeutic Deep Heat | Class 3 / PM |
| LXG — Equipment, Laboratory, General Purpose, Labeled Or Promoted For A Specific Medical Use | Class 1 / CH |
| LXH — Orthopedic Manual Surgical Instrument | Class 1 / OR |
| LXI — Guide, Drill, Ligament | Class 1 / OR |
| LXJ — Interactive Rehabilitation Exercise Devices | Class 2 / PM |
| LXK — Scrapper, Skin Specimen | Class 1 / SU |
| LXM — Manipulator, Plunger-Like Joint | Class U / PM |
| LXN — Probe, Test, Heart-Valve | Class 1 / CV |
| LXP — Plug, Scleral | Class 2 / OP |
| LXQ — Cup, Eye | Class U / OP |
| LXR — Laser, Microsurgical Argon, For Use In Otology | Class 2 / EN |
| LXS — Laser, Neodymium:Yag, Ophthalmic For Posterior Capsulotomy And Cutting Pupilla | Class 2 / OP |
| LXT — Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component, Metal Composite | Class 2 / OR |
| LXU — Laser For Wound Healing | Class 3 / SU |
| LXV — Apparatus, Vestibular Analysis | Class U / EN |
| LXW — Column, Adsorption, Low Density, Lipoprotein | Class 3 / GU |
| LXY — Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Polymer/Metal/Polymer | Class 3 / OR |
| LXZ — Guard, Instrument | Class 1 / SU |