Lasègue's disease (persecution mania)  297.9 | 
   | 
  Lassitude (see also Weakness)  780.79 | 
  Late - see also condition  | 
   | 
  Latent - see condition  | 
  Lateral - see condition  | 
  Laterocession - see Lateroversion  | 
  Lateroflexion - see Lateroversion  | 
  Lateroversion  | 
   | 
   | 
  Launois' syndrome (pituitary gigantism)  253.0 | 
  Launois-Bensaude's lipomatosis  272.8 | 
  Launois-Cleret syndrome (adiposogenital dystrophy)  253.8 | 
  Laurence-Moon-Biedl syndrome (obesity, polydactyly, and mental retardation)  759.89 | 
  LAV (disease) (illness) (infection) - see Human immunodeficiency virus (disease) (illness) (infection)  | 
  LAV/HTLV-III (disease) (illness) (infection) - see Human immunodeficiency virus (disease) (illness) (infection)  | 
  Lawford's syndrome (encephalocutaneous angiomatosis)  759.6 | 
  Lax, laxity - see also Relaxation  | 
   | 
  Laxative habit (see also Abuse, drugs, nondependent)  305.9 | 
  Lazy leukocyte syndrome  288.09 | 
  LCAD (long chain/very long chain acyl CoA dehydrogenase deficiency, VLCAD)  277.85 | 
  LCHAD (long chain 3-hydroxyacyl CoA dehydrogenase deficiency)  277.85 | 
  Lead - see also condition  | 
   | 
   | 
  Leakage  | 
   | 
  Leaky heart - see Endocarditis  | 
  Learning defect, specific NEC (strephosymbolia)  315.2 | 
  Leather bottle stomach (M8142/3)  151.9 | 
  Leber's  | 
   | 
  Lederer's anemia or disease (acquired infectious hemolytic anemia)  283.19 | 
  Lederer-Brill syndrome (acquired infectious hemolytic anemia)  283.19 | 
  Leeches (aquatic) (land)  134.2 | 
   | 
  Leg - see condition  | 
  Legal investigation  V62.5 | 
  Legg (-Calvé)-Perthes disease or syndrome (osteochondrosis, femoral capital)  732.1 | 
   | 
   | 
  Leiner's disease (exfoliative dermatitis)  695.89 | 
  Leiofibromyoma (M8890/0) - see also Leiomyoma  | 
   | 
  Leiomyoblastoma (M8891/1) - see Neoplasm, connective tissue, uncertain behavior  | 
  Leiomyofibroma (M8890/0) - see also Neoplasm, connective tissue, benign  | 
   | 
  Leiomyoma (M8890/0) - see also Neoplasm, connective tissue, benign  | 
   | 
  Leiomyomatosis (intravascular) (M8890/1) - see Neoplasm, connective tissue, uncertain behavior  | 
  Leiomyosarcoma (M8890/3) - see also Neoplasm, connective tissue, malignant  | 
   | 
   | 
   | 
  Leishmanoid, dermal - see also Leishmaniasis, cutaneous  | 
   | 
   | 
   | 
   | 
 |  |