K80.42 – Calculus of bile duct with acute cholecystitis without obstruction

ICD-10-CM 2027 diagnosis code · Disorders of gallbladder, biliary tract and pancreas

Billable code

ICD-10-CM code K80.42
Code
K80.42 (claims format: K8042)
Description
Calculus of bile duct with acute cholecystitis without obstruction
Short description
Calculus of bile duct w acute cholecystitis w/o obstruction
Billable
Yes – valid for HIPAA-covered transactions
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 › K80.4

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)

K80.4 – Calculus of bile duct with cholecystitis

Applicable to:
  • Any condition listed in K80.5 with cholecystitis (with cholangitis)
Use additional code:
  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
Code also:
  • , if applicable, fistula of bile duct (K83.3)

Index terms for K80.42

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K80.4

Frequently asked questions

What is ICD-10 code K80.42?

K80.42 is the ICD-10-CM code for calculus of bile duct with acute cholecystitis without obstruction, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).

Is K80.42 a billable code?

Yes. K80.42 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K80.42 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.