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K51.81

Non-billable

Other ulcerative colitis with complications

K51.81 is the ICD-10-CM code for Other ulcerative colitis with complications. It is a non-billable category code — use a more specific child code such as K51.811 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Parent
K51.8
Subcodes
6
Edition
FY2026

K00-K95 Diseases of the digestive system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code K51.81?
K51.81 is the ICD-10-CM code for "Other ulcerative colitis with complications". It falls under K00-K95 Diseases of the digestive system.
Is K51.81 a billable code?
No — K51.81 is a non-billable header code. Use a more specific child code (such as K51.811) for billing.
What are the subcodes of K51.81?
K51.81 has 6 more specific child codes, including K51.811, K51.812, K51.813.

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

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