Werdnig-Hoffmann syndrome (muscular atrophy)  335.0 | 
  Werlhof's disease (see also Purpura, thrombocytopenic)  287.39 | 
  Werlhof-Wichmann syndrome (see also Purpura, thrombocytopenic)  287.39 | 
  Wermer's syndrome or disease (polyendocrine adenomatosis)  258.01 | 
  Werner's disease or syndrome (progeria adultorum)  259.8 | 
  Werner-His disease (trench fever)  083.1 | 
  Werner-Schultz disease (agranulocytosis)  288.09 | 
  Wernicke's encephalopathy, disease, or syndrome (superior hemorrhagic polioencephalitis)  265.1 | 
  Wernicke-Korsakoff syndrome or psychosis (nonalcoholic)  294.0 | 
   | 
  Wernicke-Posadas disease (see also Coccidioidomycosis)  114.9 | 
   | 
   | 
  West Nile  | 
   | 
  Westphal-Strümpell syndrome (hepatolenticular degeneration)  275.1 | 
  Wet  | 
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  Wharton's duct - see condition  | 
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  Wheelchair confinement status  V46.3 | 
   | 
  Whiplash injury or syndrome  847.0 | 
  Whipple's disease or syndrome (intestinal lipodystrophy)  040.2 | 
   | 
  "Whistling face" syndrome (craniocarpotarsal dystrophy)  759.89 | 
  White - see also condition  | 
   | 
  White's disease (congenital) (keratosis follicularis)  757.39 | 
   | 
  Whitlow (with lymphangitis)  681.01 | 
   | 
  Whitmore's disease or fever (melioidosis)  025 | 
   | 
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  Wichmann's asthma (laryngismus stridulus)  478.75 | 
  Widal (-Abrami) syndrome (acquired hemolytic jaundice)  283.9 | 
  Widening aorta (see also Aneurysm, aorta)  441.9 | 
   | 
  Wilkie's disease or syndrome  557.1 | 
  Wilkinson-Sneddon disease or syndrome (subcorneal pustular dermatosis)  694.1 | 
   | 
  Willan-Plumbe syndrome (psoriasis)  696.1 | 
  Willebrand (-Jürgens) syndrome or thrombopathy (angiohemophilia)  286.4 | 
  Willi-Prader syndrome (hypogenital dystrophy with diabetic tendency)  759.81 | 
  Willis' disease (diabetes mellitus) (see also Diabetes)  250.0 | 
   | 
  Wilms' tumor or neoplasm (nephroblastoma) (M8960/3)  189.0 | 
  Wilson's  | 
   | 
  Wilson-Brocq disease (dermatitis exfoliativa)  695.89 | 
  Wilson-Mikity syndrome  770.7 | 
  Window - see also Imperfect, closure aorticopulmonary  745.0 | 
   | 
  Winter - see also condition  | 
   | 
   | 
  Wiskott-Aldrich syndrome (eczema-thrombocytopenia)  279.12 | 
  Withdrawal symptoms, syndrome  | 
   | 
  Withdrawing reaction, child or adolescent  313.22 | 
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