- Lymphangioma (M9170/0) 228.1
- Lymphangiomyoma (M9174/0) 228.1
- Lymphangiomyomatosis 516.4
- Lymphangiosarcoma (M9170/3) - see Neoplasm, connective tissue, malignant
- Lymphangitis 457.2
- Lymphatic (vessel) - see condition
- Lymphatism 254.8
- Lymphectasia 457.1
- Lymphedema (see also Elephantiasis) 457.1
- Lymphoblastic - see condition
- Lymphoblastoma (diffuse) (M9630/3) 200.1
- Lymphoblastosis, acute benign 075
- Lymphocele 457.8
- Lymphocythemia 288.51
- Lymphocytic - see also condition
- Lymphocytoma (diffuse) (malignant) (M9620/3) 200.1
- Lymphocytomatosis (M9620/3) 200.1
- Lymphocytopenia 288.51
- Lymphocytosis (symptomatic) 288.61
- Lymphoepithelioma (M8082/3) - see Neoplasm, by site, malignant
- Lymphogranuloma (malignant) (M9650/3) 201.9
- Lymphogranulomatosis (malignant) (M9650/3) 201.9