K81.1 – Chronic cholecystitis

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

Billable code

ICD-10-CM code K81.1
Code
K81.1 (claims format: K811)
Description
Chronic cholecystitis
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
K81

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K81 – Cholecystitis

Excludes1 (not coded here):
  • cholecystitis with cholelithiasis (K80.-)
Use additional code:
  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)

Index terms for K81.1

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

Related codes in K81

Frequently asked questions

What is ICD-10 code K81.1?

K81.1 is the ICD-10-CM code for chronic cholecystitis, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).

Is K81.1 a billable code?

Yes. K81.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K81.1 belong to?

It belongs to category K81 – Cholecystitis.

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.