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K85.9

⚠ Non-billable (Header)

Acute pancreatitis, unspecified

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Pancreatitis NOS
✅ No additional coding notes for K85.9

Child Codes (3)

K85.90Acute pancreatitis without necrosis or infection, unspecifiedK85.91Acute pancreatitis with uninfected necrosis, unspecifiedK85.92Acute pancreatitis with infected necrosis, unspecified

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Code Information

CodeK85.9
BillableNo — Header code
ParentK85
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)