- Laparoscopic Fundoplication
- Laparoscopic gonadectomy
- Laparoscopic hysterectomy
- Laparoscopic Myomectomy
- Laparoscopic salpingo-oophorectomy
- Latent tuberculosis
- Learning About Series - Making the most of your memory
- Left hemicolectomy
- Lichen Planus
- Lichen Sclerosis
- Lipohypertrophy
- Liquid meal test with head-up tilt (Autonomic Unit)
- Lithotripsy
- Living well with myeloma
- Living with cerebral palsy
- London Complex Mesh Centre (LCMC) - Pain Management Service
- London Complex Mesh Centre (LCMC) - Psychological Wellbeing Service
- London Complex Mesh Centre physiotherapy
- Long-term follow-up: information for people who have had treatment for cancer or a blood condition as a child or young adult
- Longitudinal Vaginal Septum