K83.0

Cholangitis

FY2027Chapter 11: Diseases of the digestive system/K80–K87 Disorders of gallbladder, biliary tract and pancreas

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

K83.0 is a non-billable ICD-10-CM code header for cholangitis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K83.01 Primary sclerosing cholangitis and K83.09 Other cholangitis. Its coding notes include 3 Excludes1 entries and 13 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • cholangitic liver abscess (K75.0)
  • cholangitis with choledocholithiasis (K80.3-, K80.4-)
Inherited from K83 Other diseases of biliary tract
  • postcholecystectomy syndrome (K91.5)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • chronic nonsuppurative destructive cholangitis (K74.3)
  • primary biliary cholangitis (K74.3)
  • primary biliary cirrhosis (K74.3)
Inherited from K83 Other diseases of biliary tract
  • conditions involving the gallbladder (K81-K82)
  • conditions involving the cystic duct (K81-K82)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More specific codes under K83.0 2