Locomotor ataxia (progressive)  094.0 | 
  Löffler's  | 
   | 
  Löfgren's syndrome (sarcoidosis)  135 | 
   | 
   | 
   | 
   | 
   | 
   | 
  Longitudinal stripes or grooves, nails  703.8 | 
   | 
  Long-term (current) drug use  V58.69 | 
   | 
  Loop  | 
   | 
  Loose - see also condition  | 
   | 
  Loosening epiphysis  732.9 | 
  Looser (-Debray)-Milkman syndrome (osteomalacia with pseudofractures)  268.2 | 
   | 
  Lorain's disease or syndrome (pituitary dwarfism)  253.3 | 
  Lorain-Levi syndrome (pituitary dwarfism)  253.3 | 
  Lordosis (acquired) (postural)  737.20 | 
   | 
  Loss  | 
   | 
   | 
  Louis-Bar syndrome (ataxia-telangiectasia)  334.8 | 
   | 
  Lousiness - see Lice  | 
  Low  | 
   | 
  Lowe (-Terrey-MacLachlan) syndrome (oculocerebrorenal dystrophy)  270.8 | 
  Lower extremity - see condition  | 
  Lown (-Ganong)-Levine syndrome (short P-R interval, normal QRS complex, and paroxysmal supraventricular tachycardia)  426.81 | 
  LSD reaction (see also Abuse, drugs, nondependent)  305.3 | 
   | 
  Lucas-Championnière disease (fibrinous bronchitis)  466.0 | 
  Lucey-Driscoll syndrome (jaundice due to delayed conjugation)  774.30 | 
  Ludwig's  | 
   | 
  Lues (venerea), luetic - see Syphilis  | 
  Luetscher's syndrome (dehydration)  276.51 | 
   | 
   | 
   | 
   | 
  Lumbar - see condition  | 
  Lumbarization, vertebra  756.15 | 
   | 
  Lump - see also Mass  | 
   | 
  Lunacy (see also Psychosis)  298.9 | 
   | 
  Lung - see also condition  | 
   | 
  Lupoid (miliary) of Boeck  135 | 
   | 
   | 
  Luschka's joint disease  721.90 | 
   | 
  Lutembacher's disease or syndrome (atrial septal defect with mitral stenosis)  745.5 | 
   | 
  Lutz-Miescher disease (elastosis perforans serpiginosa)  701.1 | 
  Lutz-Splendore-de Almeida disease (Brazilian blastomycosis)  116.1 | 
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