K85

ICD-10Non-billable category

Acute pancreatitis

Official ICD-10-CM descriptor (FY2026)

Acute pancreatitis

K85 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

acute (recurrent) pancreatitis
subacute pancreatitis

More specific codes under K85

Where this code sits

Chapter: 11. Diseases of the digestive system (K00-K95)
Block: Disorders of gallbladder, biliary tract and pancreas (K80-K87)

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.