| K40 | Inguinal hernia | NON-BILLABLE CODE |
| K40.0 | Bilateral inguinal hernia, with obstruction, without gangrene | NON-BILLABLE CODE |
| K40.00 | Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | BILLABLE CODE |
| K40.01 | Bilateral inguinal hernia, with obstruction, without gangrene, recurrent | BILLABLE CODE |
| K40.1 | Bilateral inguinal hernia, with gangrene | NON-BILLABLE CODE |
| K40.10 | Bilateral inguinal hernia, with gangrene, not specified as recurrent | BILLABLE CODE |
| K40.2 | Bilateral inguinal hernia, without obstruction or gangrene | NON-BILLABLE CODE |
| K40.20 | Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | BILLABLE CODE |
| K40.21 | Bilateral inguinal hernia, without obstruction or gangrene, recurrent | BILLABLE CODE |
| K40.3 | Unilateral inguinal hernia, with obstruction, without gangrene | NON-BILLABLE CODE |
| K40.30 | Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | BILLABLE CODE |
| K40.31 | Unilateral inguinal hernia, with obstruction, without gangrene, recurrent | BILLABLE CODE |
| K40.4 | Unilateral inguinal hernia, with gangrene | NON-BILLABLE CODE |
| K40.40 | Unilateral inguinal hernia, with gangrene, not specified as recurrent | BILLABLE CODE |
| K40.41 | Unilateral inguinal hernia, with gangrene, recurrent | BILLABLE CODE |
| K40.9 | Unilateral inguinal hernia, without obstruction or gangrene | NON-BILLABLE CODE |
| K40.90 | Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | BILLABLE CODE |
| K40.91 | Unilateral inguinal hernia, without obstruction or gangrene, recurrent | BILLABLE CODE |
