ICD-10-CM category
K40: Inguinal hernia
Codes under K40 (Inguinal hernia). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K40.0 | Bilateral inguinal hernia, with obstruction, without gangrene | — |
| K40.00 | Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | ✓ |
| K40.01 | Bilateral inguinal hernia, with obstruction, without gangrene, recurrent | ✓ |
| K40.1 | Bilateral inguinal hernia, with gangrene | — |
| K40.2 | Bilateral inguinal hernia, without obstruction or gangrene | — |
| K40.3 | Unilateral inguinal hernia, with obstruction, without gangrene | — |
| K40.4 | Unilateral inguinal hernia, with gangrene | — |
| K40.9 | Unilateral inguinal hernia, without obstruction or gangrene | — |
| K40.10 | Bilateral inguinal hernia, with gangrene, not specified as recurrent | ✓ |
| K40.11 | Bilateral inguinal hernia, with gangrene, recurrent | ✓ |
| K40.20 | Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | ✓ |
| K40.21 | Bilateral inguinal hernia, without obstruction or gangrene, recurrent | ✓ |
| K40.30 | Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | ✓ |
| K40.31 | Unilateral inguinal hernia, with obstruction, without gangrene, recurrent | ✓ |
| K40.40 | Unilateral inguinal hernia, with gangrene, not specified as recurrent | ✓ |
| K40.41 | Unilateral inguinal hernia, with gangrene, recurrent | ✓ |
| K40.90 | Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | ✓ |
| K40.91 | Unilateral inguinal hernia, without obstruction or gangrene, recurrent | ✓ |
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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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