K40.9
Non-billableUnilateral inguinal hernia, without obstruction or gangrene
K40.9 is the ICD-10-CM code for Unilateral inguinal hernia, without obstruction or gangrene. It is a non-billable category code — use a more specific child code such as K40.90 for billing.
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.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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