- Ligneous thyroiditis 245.3
- Likoff's syndrome (angina in menopausal women) 413.9
- Limb - see condition
- Limit dextrinosis 271.0
- Limitation of joint motion (see also Stiffness, joint) 719.5
- Limited
- Lindau (-von Hippel) disease (angiomatosis retinocerebellosa) 759.6
- Lindau's disease (retinocerebral angiomatosis) 759.6
- Linea corneae senilis 371.41
- Lines
- Lingua
- Lingual (tongue) - see also condition
- Linitis (gastric) 535.4
- Lioderma essentialis (cum melanosis et telangiectasia) 757.33
- Lip - see also condition
- Lip pits (mucus), congenital 750.25
- Lipalgia 272.8
- Lipedema - see Edema
- Lipemia (see also Hyperlipidemia) 272.4
- Lipidosis 272.7
- Lipoadenoma (M8324/0 - see Neoplasm, by site, benign
- Lipoblastoma (M8881/0) - see Lipoma, by site
