• Liar, pathologic 301.7
  • Libman-Sacks disease or syndrome 710.0 [424.91]
  • Lice (infestation) 132.9
  • Lichen 697.9
  • Lichenification 698.3
  • Lichenoides tuberculosis (primary) (see also Tuberculosis) 017.0
  • Lichtheim's disease or syndrome (subacute combined sclerosis with pernicious anemia) 281.0 [336.2]
  • Lien migrans 289.59
  • Lientery (see also Diarrhea) 787.91
  • Life circumstance problem NEC V62.89
  • Ligament - see condition
  • Light-for-dates (infant) 764.0
  • Light-headedness 780.4
  • Lightning (effects) (shock) (stroke) (struck by) 994.0
  • Lightwood's disease or syndrome (renal tubular acidosis) 588.89
  • Lignac (-de Toni) (-Fanconi) (-Debré) syndrome (cystinosis) 270.0
  • Lignac (-Fanconi) syndrome (cystinosis) 270.0
  • Lignac's disease (cystinosis) 270.0
  • Ligneous thyroiditis 245.3
  • Likoff's syndrome (angina in menopausal women) 413.9
  • Limb - see condition
  • Limit dextrinosis 271.0