K80.4 – Calculus of bile duct with cholecystitis
ICD-10-CM 2027 diagnosis code · Disorders of gallbladder, biliary tract and pancreas
ICD-10-CM code
K80.4
- Code
K80.4(claims format:K804)- Description
- Calculus of bile duct with cholecystitis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K80-K87 Disorders of gallbladder, biliary tract and pancreas
- Parent codes
- K80
Billable codes under K80.4
K80.4 is a header code and cannot be used on claims. Choose the most specific code:
- K80.40 – Calculus of bile duct with cholecystitis, unspecified, without obstructionBillable
- K80.41 – Calculus of bile duct with cholecystitis, unspecified, with obstructionBillable
- K80.42 – Calculus of bile duct with acute cholecystitis without obstructionBillable
- K80.43 – Calculus of bile duct with acute cholecystitis with obstructionBillable
- K80.44 – Calculus of bile duct with chronic cholecystitis without obstructionBillable
- K80.45 – Calculus of bile duct with chronic cholecystitis with obstructionBillable
- K80.46 – Calculus of bile duct with acute and chronic cholecystitis without obstructionBillable
- K80.47 – Calculus of bile duct with acute and chronic cholecystitis with obstructionBillable
Notes for K80.4
Applicable to:
- Any condition listed in K80.5 with cholecystitis (with cholangitis)
Use additional code:
Code also:
- , if applicable, fistula of bile duct (K83.3)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K80 – Cholelithiasis
Excludes1 (not coded here):
- retained cholelithiasis following cholecystectomy (K91.86)
Related codes in K80
- K80.0 – Calculus of gallbladder with acute cholecystitisHeader
- K80.1 – Calculus of gallbladder with other cholecystitisHeader
- K80.2 – Calculus of gallbladder without cholecystitisHeader
- K80.3 – Calculus of bile duct with cholangitisHeader
- K80.5 – Calculus of bile duct without cholangitis or cholecystitisHeader
- K80.6 – Calculus of gallbladder and bile duct with cholecystitisHeader
- K80.7 – Calculus of gallbladder and bile duct without cholecystitisHeader
- K80.8 – Other cholelithiasisHeader
Frequently asked questions
What is ICD-10 code K80.4?
K80.4 is the ICD-10-CM code for calculus of bile duct with cholecystitis, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).
Is K80.4 a billable code?
No. K80.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does K80.4 belong to?
It belongs to category K80 – Cholelithiasis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.