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K51.2

⚠ Non-billable (Header)

Ulcerative (chronic) proctitis

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from K51

Rules from parent category K51: Ulcerative colitis

  • • Crohn's disease [regional enteritis] (K50.-)

Child Codes (2)

K51.20Ulcerative (chronic) proctitis without complicationsK51.21Ulcerative (chronic) proctitis with complications

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Code Information

CodeK51.2
BillableNo — Header code
ParentK51
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)