K51.31

Non-Billable
ChapterK00–K95
Ranksubcategory
Official Description

Ulcerative (chronic) rectosigmoiditis with complications

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 11: Diseases of the Digestive System (K00-K95).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K50-K52Noninfective enteritis and colitis (K50-K52)
K51Ulcerative colitis
K51.3Ulcerative (chronic) rectosigmoiditis
K51.31Ulcerative (chronic) rectosigmoiditis with complicationsNot billable
K51.311Ulcerative (chronic) rectosigmoiditis with rectal bleedingBillable
K51.312Ulcerative (chronic) rectosigmoiditis with intestinal obstructionBillable
K51.313Ulcerative (chronic) rectosigmoiditis with fistulaBillable
K51.314Ulcerative (chronic) rectosigmoiditis with abscessBillable
K51.318Ulcerative (chronic) rectosigmoiditis with other complicationBillable
K51.319Ulcerative (chronic) rectosigmoiditis with unspecified complicationsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K51.31:

categoryK51
Ulcerative colitis
View context instructions
blockK50-K52
Noninfective enteritis and colitis (K50-K52)
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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