K85: Acute pancreatitis
Codes under K85 (Acute pancreatitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K85.0 | Idiopathic acute pancreatitis | — |
| K85.0 | Idiopathic acute pancreatitis | — |
| K85.00 | Idiopathic acute pancreatitis without necrosis or infection | ✓ |
| K85.00 | Idiopathic acute pancreatitis without necrosis or infection | ✓ |
| K85.01 | Idiopathic acute pancreatitis with uninfected necrosis | ✓ |
| K85.01 | Idiopathic acute pancreatitis with uninfected necrosis | ✓ |
| K85.1 | Biliary acute pancreatitis | — |
| K85.1 | Biliary acute pancreatitis | — |
| K85.02 | Idiopathic acute pancreatitis with infected necrosis | ✓ |
| K85.02 | Idiopathic acute pancreatitis with infected necrosis | ✓ |
| K85.2 | Alcohol induced acute pancreatitis | — |
| K85.2 | Alcohol induced acute pancreatitis | — |
| K85.3 | Drug induced acute pancreatitis | — |
| K85.3 | Drug induced acute pancreatitis | — |
| K85.8 | Other acute pancreatitis | — |
| K85.8 | Other acute pancreatitis | — |
| K85.9 | Acute pancreatitis, unspecified | — |
| K85.9 | Acute pancreatitis, unspecified | — |
| K85.10 | Biliary acute pancreatitis without necrosis or infection | ✓ |
| K85.10 | Biliary acute pancreatitis without necrosis or infection | ✓ |
| K85.11 | Biliary acute pancreatitis with uninfected necrosis | ✓ |
| K85.11 | Biliary acute pancreatitis with uninfected necrosis | ✓ |
| K85.12 | Biliary acute pancreatitis with infected necrosis | ✓ |
| K85.12 | Biliary acute pancreatitis with infected necrosis | ✓ |
| K85.20 | Alcohol induced acute pancreatitis without necrosis or infection | ✓ |
| K85.20 | Alcohol induced acute pancreatitis without necrosis or infection | ✓ |
| K85.21 | Alcohol induced acute pancreatitis with uninfected necrosis | ✓ |
| K85.21 | Alcohol induced acute pancreatitis with uninfected necrosis | ✓ |
| K85.22 | Alcohol induced acute pancreatitis with infected necrosis | ✓ |
| K85.22 | Alcohol induced acute pancreatitis with infected necrosis | ✓ |
| K85.30 | Drug induced acute pancreatitis without necrosis or infection | ✓ |
| K85.30 | Drug induced acute pancreatitis without necrosis or infection | ✓ |
| K85.31 | Drug induced acute pancreatitis with uninfected necrosis | ✓ |
| K85.31 | Drug induced acute pancreatitis with uninfected necrosis | ✓ |
| K85.32 | Drug induced acute pancreatitis with infected necrosis | ✓ |
| K85.32 | Drug induced acute pancreatitis with infected necrosis | ✓ |
| K85.80 | Other acute pancreatitis without necrosis or infection | ✓ |
| K85.80 | Other acute pancreatitis without necrosis or infection | ✓ |
| K85.81 | Other acute pancreatitis with uninfected necrosis | ✓ |
| K85.81 | Other acute pancreatitis with uninfected necrosis | ✓ |
| K85.82 | Other acute pancreatitis with infected necrosis | ✓ |
| K85.82 | Other acute pancreatitis with infected necrosis | ✓ |
| K85.90 | Acute pancreatitis without necrosis or infection, unspecified | ✓ |
| K85.90 | Acute pancreatitis without necrosis or infection, unspecified | ✓ |
| K85.91 | Acute pancreatitis with uninfected necrosis, unspecified | ✓ |
| K85.91 | Acute pancreatitis with uninfected necrosis, unspecified | ✓ |
| K85.92 | Acute pancreatitis with infected necrosis, unspecified | ✓ |
| K85.92 | Acute pancreatitis with infected necrosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code K85?
K85 is an ICD-10-CM category covering Acute pancreatitis. It contains 48 more specific diagnosis codes, 36 of which are billable.
Is K85 a billable code?
No — K85 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example K85.0 — Idiopathic acute pancreatitis). 36 of the 48 codes under K85 are billable.
What codes fall under K85?
K85 includes K85.0, K85.0, K85.00, K85.00, K85.01, plus 43 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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