K85.9 – Acute pancreatitis, unspecified
ICD-10-CM 2027 diagnosis code · Disorders of gallbladder, biliary tract and pancreas
ICD-10-CM code
K85.9
- Code
K85.9(claims format:K859)- Description
- Acute pancreatitis, unspecified
- 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
- K85
Billable codes under K85.9
K85.9 is a header code and cannot be used on claims. Choose the most specific code:
Notes for K85.9
Applicable to:
- Pancreatitis NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K85 – Acute pancreatitis
Includes:
- acute (recurrent) pancreatitis
- subacute pancreatitis
Related codes in K85
Frequently asked questions
What is ICD-10 code K85.9?
K85.9 is the ICD-10-CM code for acute pancreatitis, unspecified, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).
Is K85.9 a billable code?
No. K85.9 is a header code with more specific child codes; report one of the billable codes listed above.
What category does K85.9 belong to?
It belongs to category K85 – Acute pancreatitis.
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.