- Lipoblastomatosis (M8881/0) - see Lipoma, by site
- Lipochondrodystrophy 277.5
- Lipochrome histiocytosis (familial) 288.1
- Lipodystrophia progressiva 272.6
- Lipodystrophy (progressive) 272.6
- Lipofibroma (M8851/0) - see Lipoma, by site
- Lipoglycoproteinosis 272.8
- Lipogranuloma, sclerosing 709.8
- Lipogranulomatosis (disseminated) 272.8
- Lipoid - see also condition
- Lipoidemia (see also Hyperlipidemia) 272.4
- Lipoidosis (see also Lipidosis) 272.7
- Lipoma (M8850/0) 214.9
- Lipomatosis (dolorosa) 272.8
- Lipomyohemangioma (M8860/0)
- Lipomyoma (M8860/0)
- Lipomyxoma (M8852/0) - see Lipoma, by site
- Lipomyxosarcoma (M8852/3) - see Neoplasm, connective tissue, malignant
- Lipophagocytosis 289.89
- Lipoproteinemia (alpha) 272.4
- Lipoproteinosis (Rossle-Urbach-Wiethe) 272.8
- Liposarcoma (M8850/3) - see also Neoplasm, connective tissue, malignant