| LOQ — Device, General Purpose, Hematology | Class 2 / HE |
| LOT — Pulse-Generator, Program Module | Class 3 / CV |
| LOX — Catheters, Transluminal Coronary Angioplasty, Percutaneous | Class 2 / CV |
| LOZ — Artificial Heart | Class 3 / CV |
| LPA — System, Esophageal Pacing | Class 3 / CV |
| LPB — Cardiac Ablation Percutaneous Catheter | Class 3 / CV |
| LPC — Device, Angioplasty, Laser, Coronary | Class 3 / CV |
| LPF — Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Ceramic, Cemented | Class 3 / OR |
| LPG — Material, Dressing, Surgical, Polylactic Acid | Class 3 / DE |
| LPH — Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented | Class 2 / OR |
| LPI — Kit, Assay, Progesterone Receptor | Class 3 / CH |
| LPJ — Kit, Assay, Estrogen Receptor | Class 3 / CH |
| LPL — Lenses, Soft Contact, Daily Wear | Class 2 / OP |
| LPM — Lenses, Soft Contact, Extended Wear | Class 3 / OP |
| LPN — Accessories, Soft Lens Products | Class 2 / OP |
| LPO — Gases Used Within Eye To Place Pressure On Detached Retina | Class 3 / OP |
| LPP — Monitor, Oxygen, Cutaneous, For Uses Other Than For Infant Not Under Gas Anesthesia | Class 2 / AN |
| LPQ — Stimulator, Ultrasound And Muscle, For Use Other Than Applying Therapeutic Deep | Class 2 / OR |
| LPS — Urinary Homocystine (Nonquantitative) Test System | Class 2 / CH |
| LPT — System, Test, Urinary Methylmalonic Acid | Class 2 / CH |
| LPW — System, Test, Oxalate | Class 1 / CH |
| LPX — Radioceptor Assay, Neuroleptic Drugs | Class 2 / TX |
| LPZ — Container, Frozen Donor Tissue Storage | Class U / HO |
| LQA — Media, Reusable Image | Class 1 / RA |
| LQB — Medical Computers And Software For Ophthalmic Use | Class 3 / OP |
| LQC — Lithotriptor, Biliary Mechanical | Class 2 / GU |
| LQD — Recorder, Attention Task Performance | Class U / NE |
| LQE — Implant, Corneal, Refractive | Class 3 / OP |
| LQF — Dna-Reagents, Mycobacterium Spp. | Class 1 / MI |
| LQG — Dna-Reagents, Mycoplasma Spp. | Class 1 / MI |
| LQH — Dna-Reagents, Legionella | Class 2 / MI |
| LQI — Hepatitis Delta Serological Reagents | Class 3 / MI |
| LQJ — Lens, Surgical, Laser, Accesssory, Ophthalmic Laser | Class 2 / OP |
| LQK — Home Uterine Activity Monitor | Class 2 / OB |
| LQL — Gram Positive Identification Panel | Class 1 / MI |
| LQM — Gram Negative Identification Panel | Class 1 / MI |
| LQN — Latex Agglutination Assay, Rubella | Class 2 / MI |
| LQO — Dna-Reagents, Campylobacter Spp. | Class 1 / MI |
| LQP — Campylobacter Spp. | Class 1 / MI |
| LQQ — Columns, Immunoadsorption In Extracorporeal Systems | Class 3 / GU |
| LQR — Dislodger, Stone, Biliary | Class 2 / GU |
| LQS — Spermatocele, Alloplastic | Class U / GU |
| LQW — Test, Temperature Discrimination | Class 1 / NE |
| LQX — Device, Finger-Sucking | Class 1 / DE |
| LQY — Locator, Root Apex | Class U / DE |
| LQZ — Device, Jaw Repositioning | Class 2 / DE |
| LRA — Hearing Aid, Tactile | Class U / EN |
| LRB — Face Plate Hearing Aid | Class 1 / EN |
| LRC — Instrument, Ent Manual Surgical | Class 1 / EN |
| LRD — Applicator, Ent Drug | Class 1 / EN |