Hernia
64 codes in this section
About Section K40-K46
Section K40-K46 (K40-K46) covers hernia. It sits within the Diseases of the digestive system chapter (K00-K95). This section contains 64 ICD-10-CM codes, 45 billable diagnoses you can submit on a claim, and 19 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in K40-K46
Grouped by 3-character root code. Click any code for full detail.
| K40.0 | Bilateral inguinal hernia, with obstruction, without gangrene | Header |
| K40.00 | Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | Billable |
| K40.01 | Bilateral inguinal hernia, with obstruction, without gangrene, recurrent | Billable |
| K40.1 | Bilateral inguinal hernia, with gangrene | Header |
| K40.10 | Bilateral inguinal hernia, with gangrene, not specified as recurrent | Billable |
| K40.11 | Bilateral inguinal hernia, with gangrene, recurrent | Billable |
| K40.2 | Bilateral inguinal hernia, without obstruction or gangrene | Header |
| K40.20 | Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | Billable |
| K40.21 | Bilateral inguinal hernia, without obstruction or gangrene, recurrent | Billable |
| K40.3 | Unilateral inguinal hernia, with obstruction, without gangrene | Header |
| K40.30 | Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent | Billable |
| K40.31 | Unilateral inguinal hernia, with obstruction, without gangrene, recurrent | Billable |
| K40.4 | Unilateral inguinal hernia, with gangrene | Header |
| K40.40 | Unilateral inguinal hernia, with gangrene, not specified as recurrent | Billable |
| K40.41 | Unilateral inguinal hernia, with gangrene, recurrent | Billable |
| K40.9 | Unilateral inguinal hernia, without obstruction or gangrene | Header |
| K40.90 | Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent | Billable |
| K40.91 | Unilateral inguinal hernia, without obstruction or gangrene, recurrent | Billable |
| K41.0 | Bilateral femoral hernia, with obstruction, without gangrene | Header |
| K41.00 | Bilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent | Billable |
| K41.01 | Bilateral femoral hernia, with obstruction, without gangrene, recurrent | Billable |
| K41.1 | Bilateral femoral hernia, with gangrene | Header |
| K41.10 | Bilateral femoral hernia, with gangrene, not specified as recurrent | Billable |
| K41.11 | Bilateral femoral hernia, with gangrene, recurrent | Billable |
| K41.2 | Bilateral femoral hernia, without obstruction or gangrene | Header |
| K41.20 | Bilateral femoral hernia, without obstruction or gangrene, not specified as recurrent | Billable |
| K41.21 | Bilateral femoral hernia, without obstruction or gangrene, recurrent | Billable |
| K41.3 | Unilateral femoral hernia, with obstruction, without gangrene | Header |
| K41.30 | Unilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent | Billable |
| K41.31 | Unilateral femoral hernia, with obstruction, without gangrene, recurrent | Billable |
| K41.4 | Unilateral femoral hernia, with gangrene | Header |
| K41.40 | Unilateral femoral hernia, with gangrene, not specified as recurrent | Billable |
| K41.41 | Unilateral femoral hernia, with gangrene, recurrent | Billable |
| K41.9 | Unilateral femoral hernia, without obstruction or gangrene | Header |
| K41.90 | Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrent | Billable |
| K41.91 | Unilateral femoral hernia, without obstruction or gangrene, recurrent | Billable |
| K42.0 | Umbilical hernia with obstruction, without gangrene | Billable |
| K42.1 | Umbilical hernia with gangrene | Billable |
| K42.9 | Umbilical hernia without obstruction or gangrene | Billable |
| K43.0 | Incisional hernia with obstruction, without gangrene | Billable |
| K43.1 | Incisional hernia with gangrene | Billable |
| K43.2 | Incisional hernia without obstruction or gangrene | Billable |
| K43.3 | Parastomal hernia with obstruction, without gangrene | Billable |
| K43.4 | Parastomal hernia with gangrene | Billable |
| K43.5 | Parastomal hernia without obstruction or gangrene | Billable |
| K43.6 | Other and unspecified ventral hernia with obstruction, without gangrene | Billable |
| K43.7 | Other and unspecified ventral hernia with gangrene | Billable |
| K43.9 | Ventral hernia without obstruction or gangrene | Billable |
| K44.0 | Diaphragmatic hernia with obstruction, without gangrene | Billable |
| K44.1 | Diaphragmatic hernia with gangrene | Billable |
| K44.9 | Diaphragmatic hernia without obstruction or gangrene | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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