K51.513

Billable

ChapterK00–K95

Ranksubcategory

Official Description

Left sided colitis with fistula

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 11: Diseases of the Digestive System (K00-K95).

General instructions are available for the parent sections:

View CH11 Notes View K50-K52 Notes View K51 Notes View K51.5 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)

K50-K52Noninfective enteritis and colitis (K50-K52)

K51Ulcerative colitis

K51.5Left sided colitis

K51.51Left sided colitis with complications

K51.513Left sided colitis with fistula

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K51.513:

subcategoryK51.5

Left sided colitis

View context instructions

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K51.513. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)1 unique routes

left sided

with

fistula→K51.513

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 385

Inflammatory Bowel Disease with MCC

DRG 386

Inflammatory Bowel Disease with CC

DRG 387

Inflammatory Bowel Disease without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Left sided colitis with fistula.

Search PCS Codes