K80.31 – Calculus of bile duct with cholangitis, unspecified, with obstruction

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

Billable code

ICD-10-CM code K80.31

Code: K80.31 (claims format: K8031)
Description: Calculus of bile duct with cholangitis, unspecified, with obstruction
Short description: Calculus of bile duct w cholangitis, unsp, with 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 › K80.3

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)

K80.3 – Calculus of bile duct with cholangitis

Applicable to:

Any condition listed in K80.5 with cholangitis

Index terms for K80.31

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

Calculus, calculi, calculous, bile duct, with, cholangitis, with, obstruction

Related codes in K80.3

Frequently asked questions

What is ICD-10 code K80.31?

K80.31 is the ICD-10-CM code for calculus of bile duct with cholangitis, unspecified, with obstruction, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).

Is K80.31 a billable code?

Yes. K80.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K80.31 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.