| LYA — Splint, Intranasal Septal | Class 1 / EN |
| LYC — Bone Grafting Material, Synthetic | Class 2 / DE |
| LYE — Cytokeratins | Class 2 / PA |
| LYF — Pneumocystis Carinii | Class 2 / MI |
| LYG — Massager, Therapeutic, Manual | Class 1 / PM |
| LYH — Arthrometer | Class 1 / NE |
| LYI — Stimulator, Subcortical, Implanted For Epilepsy | Class 3 / NE |
| LYJ — Stimulator, Autonomic Nerve, Implanted For Epilepsy | Class 3 / NE |
| LYK — Angioscope | Class 2 / CV |
| LYL — Accessories, Solution, Ultrasonic Cleaners For Lenses | Class 2 / OP |
| LYN — Apparatus, Visual Reinforcement Audiometric | Class 2 / EN |
| LYP — Accessories, Fixation, Spinal Interlaminal | Class 2 / OR |
| LYQ — Accessories, Fixation, Spinal Intervertebral Body | Class 1 / OR |
| LYR — Helicobacter Pylori | Class 1 / MI |
| LYS — Bone Mill | Class 1 / OR |
| LYT — Fixation Accessory | Class 2 / OR |
| LYU — Accessory, Surgical Apparel | Class 1 / HO |
| LYV — Label Or Tag, Sterile | Class 1 / SU |
| LYX — Media, Corneal Storage | Class U / OP |
| LYY — Latex Patient Examination Glove | Class 1 / HO |
| LYZ — Vinyl Patient Examination Glove | Class 1 / HO |
| LZA — Polymer Patient Examination Glove | Class 1 / HO |
| LZB — Finger Cot | Class 1 / HO |
| LZC — Medical Glove, Specialty | Class 1 / HO |
| LZD — Joint, Temporomandibular, Implant | Class 3 / DE |
| LZE — Isometer | Class 1 / OR |
| LZF — Pump, Infusion, Analytical Sampling | Class 2 / CH |
| LZG — Pump, Infusion, Insulin | Class 2 / CH |
| LZH — Pump, Infusion, Enteral | Class 2 / HO |
| LZI — Device, Assistive Listening | Class 2 / EN |
| LZJ — Prosthesis, Toe (Metatarsophalangeal), Joint, Metal/Polymer, Semi-Constrained | Class U / OR |
| LZK — Implant, Malar | Class 2 / SU |
| LZL — Micro-Condom | Class 3 / OB |
| LZM — Guard, Skin Graft | Class 1 / SU |
| LZN — Cement Obturator | Class 2 / OR |
| LZO — Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented | Class 2 / OR |
| LZP — Aid, Surgical, Viscoelastic | Class 3 / OP |
| LZQ — Tissue Adhesive For Ophthalmic Use | Class 3 / OP |
| LZR — Ultrasound, Cyclodestructive | Class 2 / OP |
| LZS — Excimer Laser System | Class 3 / OP |
| LZU — Plug, Punctum | Class U / OP |
| LZV — System, Cement Removal Extraction | Class 2 / OR |
| LZW — Monitor, Spine Curvature | Class U / PM |
| LZY — Prosthesis, Hip, Hemi-, Femoral, Metal Ball | Class 2 / OR |
| MAA — Monitor, Fetal Doppler Ultrasound | Class 2 / RA |
| MAB — Marker, Cardiopulmonary Bypass (Vein Marker) | Class 2 / CV |
| MAC — Decontamination Kit | Class 1 / HO |
| MAD — Catheter, Percutaneous (Valvuloplasty) | Class 3 / CV |
| MAE — Occluder, Patent Ductus, Arteriosus | Class 3 / CV |
| MAF — Stent, Coronary | Class 3 / CV |