Laparoscopic surgical procedure converted to open procedure  V64.41 | 
  Lardaceous  | 
   | 
  Large  | 
   | 
  Larsen's syndrome (flattened facies and multiple congenital dislocations)  755.8 | 
  Larsen-Johansson disease (juvenile osteopathia patellae)  732.4 | 
  Larva migrans  | 
   | 
  Laryngeal - see also condition  | 
   | 
  Laryngismus (acute) (infectious) (stridulous)  478.75 | 
   | 
  Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral)  464.00 | 
   | 
  Laryngocele (congenital) (ventricular)  748.3 | 
   | 
   | 
  Laryngomalacia (congenital)  748.3 | 
  Laryngopharyngitis (acute)  465.0 | 
   | 
  Laryngoplegia (see also Paralysis, vocal cord)  478.30 | 
   | 
   | 
   | 
   | 
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  Laryngotracheitis (acute) (infectional) (viral) (see also Laryngitis)  464.20 | 
   | 
  Laryngotracheobronchitis (see also Bronchitis)  490 | 
   | 
  Laryngotracheobronchopneumonitis - see Pneumonia, broncho-  | 
  Larynx, laryngeal - see condition  | 
  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  | 
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