- Laceration Repair
- Laminectomy
- Laparoscopy
- Laparoscopy for Endometriosis
- Laparotomy, Exploratory
- Laryngectomy
- Laser In-Situ Keratomileusis (LASIK)
- Laser Iridotomy
- Laser Posterior Capsulotomy
- Laser Skin Resurfacing
- Laser Surgery
- Laxatives
- Leg Lengthening/Shortening
- Limb Salvage
- Lipid Tests
- Liposuction
- Lithotripsy
- Liver Biopsy
- Liver Function Tests
- Liver Transplantation
- Living Will
- Lobectomy, Pulmonary
- Long-Term Care Insurance
- Lumpectomy
- Lung Biopsy
- Lung Transplantation
- Lymphadenectomy
