Alphabetic Index FY2027

K80.4

Calculus of bile duct with cholecystitis

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.

K80.4 is a non-billable ICD-10-CM code header for calculus of bile duct with cholecystitis. 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 K80.40 Calculus of bile duct with cholecystitis, unspecified, without obstruction; K80.41 Calculus of bile duct with cholecystitis, unspecified, with obstruction; K80.42 Calculus of bile duct with acute cholecystitis without obstruction; K80.43 Calculus of bile duct with acute cholecystitis with obstruction and 4 more. Its coding notes include a Use additional code instruction, a Code also instruction, 1 Excludes1 entry and 8 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

This code
  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

This code
  • , if applicable, fistula of bile duct (K83.3)

Excludes1

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

Inherited from K80 Cholelithiasis
  • retained cholelithiasis following cholecystectomy (K91.86)

Excludes2

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

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)

Inclusion terms

Conditions classified to this code.

This code
  • Any condition listed in K80.5 with cholecystitis (with cholangitis)

More specific codes under K80.4 8