K51.813

Billable

Other ulcerative colitis with fistula

K51.813 is the ICD-10-CM code for Other ulcerative colitis with fistula. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K51.81
Edition
FY2026

K00-K95 Diseases of the digestive system

What this means — in plain language

MedlinePlus · NIH

A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus and the windpipe or the bowel and the vagina. They can also develop between two blood vessels, such as between an artery and a vein or between two arteries. Some people are born with a fistula. Other common causes of fistulas include: Complications from surgery Injury…

Read more about Fistulas at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code K51.813?
K51.813 is the ICD-10-CM code for "Other ulcerative colitis with fistula". It falls under K00-K95 Diseases of the digestive system.
Is K51.813 a billable code?
Yes — K51.813 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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