| K85.0 | Idiopathic acute pancreatitis | NON-BILLABLE CODE |
| K85.00 | Idiopathic acute pancreatitis without necrosis or infection | BILLABLE CODE |
| K85.01 | Idiopathic acute pancreatitis with uninfected necrosis | BILLABLE CODE |
| K85.02 | Idiopathic acute pancreatitis with infected necrosis | BILLABLE CODE |
| K85.1 | Biliary acute pancreatitis | NON-BILLABLE CODE |
| K85.10 | Biliary acute pancreatitis without necrosis or infection | BILLABLE CODE |
| K85.11 | Biliary acute pancreatitis with uninfected necrosis | BILLABLE CODE |
| K85.12 | Biliary acute pancreatitis with infected necrosis | BILLABLE CODE |
| K85.2 | Alcohol induced acute pancreatitis | NON-BILLABLE CODE |
| K85.20 | Alcohol induced acute pancreatitis without necrosis or infection | BILLABLE CODE |
| K85.21 | Alcohol induced acute pancreatitis with uninfected necrosis | BILLABLE CODE |
| K85.22 | Alcohol induced acute pancreatitis with infected necrosis | BILLABLE CODE |
| K85.3 | Drug induced acute pancreatitis | NON-BILLABLE CODE |
| K85.30 | Drug induced acute pancreatitis without necrosis or infection | BILLABLE CODE |
| K85.31 | Drug induced acute pancreatitis with uninfected necrosis | BILLABLE CODE |
| K85.32 | Drug induced acute pancreatitis with infected necrosis | BILLABLE CODE |
| K85.8 | Other acute pancreatitis | NON-BILLABLE CODE |
| K85.80 | Other acute pancreatitis without necrosis or infection | BILLABLE CODE |
| K85.81 | Other acute pancreatitis with uninfected necrosis | BILLABLE CODE |
| K85.82 | Other acute pancreatitis with infected necrosis | BILLABLE CODE |
| K85.9 | Acute pancreatitis, unspecified | NON-BILLABLE CODE |
| K85.90 | Acute pancreatitis without necrosis or infection, unspecified | BILLABLE CODE |
| K85.91 | Acute pancreatitis with uninfected necrosis, unspecified | BILLABLE CODE |
| K85.92 | Acute pancreatitis with infected necrosis, unspecified | BILLABLE CODE |
