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Non-billableAcute (reversible) ischemia of large intestine
K55.03 is the ICD-10-CM code for Acute (reversible) ischemia of large intestine. It is a non-billable category code — use a more specific child code such as K55.031 for billing.
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHYour colon, also known as the large intestine, is part of your digestive system. It's a long, hollow tube at the end of your digestive tract where your body makes and stores stool. Many disorders affect the colon's ability to work properly. Some of these include: Colorectal cancer Colonic polyps - extra tissue growing in the colon that can become cancerous Ulcerative colitis - ulcers of the colon and rectum…
Read more about Colonic Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Acute fulminant ischemic colitis
- •Subacute ischemic colitis
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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