1. K83 Other diseases of biliary tract


    • postcholecystectomy syndrome (K91.5)


    • conditions involving the gallbladder (K81-K82)
    • conditions involving the cystic duct (K81-K82)
    1. K83.0 Cholangitis

      1. K83.01 Primary sclerosing cholangitis

      2. K83.09 Other cholangitis

        Inclusion term(s):

        • Ascending cholangitis
        • Cholangitis NOS
        • Primary cholangitis
        • Recurrent cholangitis
        • Sclerosing cholangitis
        • Secondary cholangitis
        • Stenosing cholangitis
        • Suppurative cholangitis
    2. K83.1 Obstruction of bile duct

      Inclusion term(s):

      • Occlusion of bile duct without cholelithiasis
      • Stenosis of bile duct without cholelithiasis
      • Stricture of bile duct without cholelithiasis
    3. K83.2 Perforation of bile duct

      Inclusion term(s):

      • Rupture of bile duct
    4. K83.3 Fistula of bile duct

      Inclusion term(s):

      • Choledochoduodenal fistula
    5. K83.4 Spasm of sphincter of Oddi

    6. K83.5 Biliary cyst

    7. K83.8 Other specified diseases of biliary tract

      Inclusion term(s):

      • Adhesions of biliary tract
      • Atrophy of biliary tract
      • Hypertrophy of biliary tract
      • Ulcer of biliary tract
    8. K83.9 Disease of biliary tract, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.