K42: Umbilical hernia
Codes under K42 (Umbilical hernia). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K42.0 | Umbilical hernia with obstruction, without gangrene | ✓ |
| K42.0 | Umbilical hernia with obstruction, without gangrene | ✓ |
| K42.1 | Umbilical hernia with gangrene | ✓ |
| K42.1 | Umbilical hernia with gangrene | ✓ |
| K42.9 | Umbilical hernia without obstruction or gangrene | ✓ |
| K42.9 | Umbilical hernia without obstruction or gangrene | ✓ |
Frequently asked questions
What is ICD-10-CM code K42?
K42 is an ICD-10-CM category covering Umbilical hernia. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is K42 a billable code?
No — K42 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 K42.0 — Umbilical hernia with obstruction, without gangrene). 6 of the 6 codes under K42 are billable.
What codes fall under K42?
K42 includes K42.0, K42.0, K42.1, K42.1, K42.9, plus 1 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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