K42
Non-billableUmbilical hernia
K42 is the ICD-10-CM code for Umbilical hernia. It is a non-billable category code — use a more specific child code such as K42.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 3
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHA hernia happens when part of an internal organ or tissue bulges through a weak area of muscle. Most hernias are in the abdomen. There are several types of hernias, including: Inguinal, in the groin. This is the the most common type. Umbilical, around the belly button Incisional, through a scar Hiatal , a small opening in the diaphragm that allows the upper part of the stomach to move up into the chest. Congenital…
Read more about Hernia at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •paraumbilical hernia
Excludes1 — not coded here
- •omphalocele (Q79.2)
Frequently asked questions
- What is ICD-10 code K42?
- K42 is the ICD-10-CM code for "Umbilical hernia". It falls under K00-K95 Diseases of the digestive system.
- Is K42 a billable code?
- No — K42 is a non-billable header code. Use a more specific child code (such as K42.0) for billing.
- What is excluded from K42?
- Excludes1 (not coded here): omphalocele (Q79.2).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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