K85.91 – Acute pancreatitis with uninfected necrosis, unspecified
ICD-10-CM 2027 diagnosis code · Disorders of gallbladder, biliary tract and pancreas
ICD-10-CM code
K85.91
- Code
K85.91(claims format:K8591)- Description
- Acute pancreatitis with uninfected necrosis, unspecified
- 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
- K85 › K85.9
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
K85.9 – Acute pancreatitis, unspecified
Applicable to:
- Pancreatitis NOS
Index terms for K85.91
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in K85.9
Frequently asked questions
What is ICD-10 code K85.91?
K85.91 is the ICD-10-CM code for acute pancreatitis with uninfected necrosis, unspecified, in the block K80-K87 (Disorders of gallbladder, biliary tract and pancreas).
Is K85.91 a billable code?
Yes. K85.91 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K85.91 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.