Luetscher's syndrome (dehydration)  276.51 | 
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  Lumbar - see condition  | 
  Lumbarization, vertebra  756.15 | 
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  Lump - see also Mass  | 
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  Lunacy (see also Psychosis)  298.9 | 
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  Lung - see also condition  | 
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  Lupoid (miliary) of Boeck  135 | 
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  Luschka's joint disease  721.90 | 
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  Lutembacher's disease or syndrome (atrial septal defect with mitral stenosis)  745.5 | 
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  Lutz-Miescher disease (elastosis perforans serpiginosa)  701.1 | 
  Lutz-Splendore-de Almeida disease (Brazilian blastomycosis)  116.1 | 
  Luxatio  | 
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  Luxation - see also Dislocation, by site  | 
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  Lycanthropy (see also Psychosis)  298.9 | 
  Lyell's disease or syndrome (toxic epidermal necrolysis)  695.15 | 
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  Lymph  | 
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  Lymphadenoid goiter  245.2 | 
  Lymphadenopathy (general)  785.6 | 
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  Lymphadenopathy-associated virus (disease) (illness) (infection) - see Human immunodeficiency virus (disease) (illness) (infection)  | 
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  Lymphangiectatic elephantiasis, nonfilarial  457.1 | 
  Lymphangioendothelioma (M9170/0)  228.1 | 
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  Lymphangioma (M9170/0)  228.1 | 
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  Lymphangiomyoma (M9174/0)  228.1 | 
  Lymphangiomyomatosis (M9174/1) - see Neoplasm, connective tissue, uncertain behavior  | 
  Lymphangiosarcoma (M9170/3) - see Neoplasm, connective tissue, malignant  | 
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  Lymphatic (vessel) - see condition  | 
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  Lymphedema (see also Elephantiasis)  457.1 | 
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  Lymph-hemangioma (M9120/0) - see Hemangioma, by site  | 
  Lymphoblastic - see condition  | 
  Lymphoblastoma (diffuse) (M9630/3)  200.1 | 
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  Lymphoblastosis, acute benign  075 | 
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  Lymphocytic - see also condition  | 
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  Lymphocytoma (diffuse) (malignant) (M9620/3)  200.1 | 
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