K51.90

Billable

Ulcerative colitis, unspecified, without complications

Diseases of the digestive system (K00-K95)

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No additional coding notes for K51.90

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Code Information

CodeK51.90
BillableYes
ParentK51.9
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)