2026 ICD-10-CM Diagnosis Code K63Other diseases of intestine

ICD-10-CM Codes›K00–K95›K55-K64›K63

ICD-10-CM K63
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K63 is a non-billable ICD-10-CM category code for other diseases of intestine, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K63.0, K63.1, K63.2, and K63.3.

Code Identity

ICD-10-CM Code
K63
Billable Status
No — Non-Billable Category
Code Describes
Other diseases of intestine
Chapter
K55-K64
Other diseases of intestines

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK55-K64Other diseases of intestines
CategoryK63Other diseases of intestine
This CodeK63Other diseases of intestine

Specific Coding for Other diseases of intestineOverview

Non-specific codes like K63 require more characters. Use one of these billable codes instead:

  • Use K63.0 for Abscess of intestine

  • Use K63.1 for Perforation of intestine (nontraumatic)

  • Use K63.2 for Fistula of intestine

  • Use K63.3 for Ulcer of intestine

  • Use K63.4 for Enteroptosis

  • Use K63.5 for Polyp of colon

  • K63.8 for Other specified diseases of intestine

  • Use K63.81 for Dieulafoy lesion of intestine

  • K63.82 for Intestinal microbial overgrowth

  • Use K63.89 for Other specified diseases of intestine

  • Use K63.9 for Disease of intestine, unspecified

Patient EducationClinical

Colonic Diseases

Your colon, also known as the large intestine, is part of your digestive system. It's a long, hollow tube at the end of your digestive tract where your body makes and stores stool. Many disorders affect the colon's ability to work properly. Some of these include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K63Overview

Is K63 (Other diseases of intestine) a billable code?

No. This is a category header that groups the codes for other diseases of intestine, and headers cannot be submitted on claims. Claims for other diseases of intestine need a more specific code from this category, such as K63.0, K63.1, and K63.2.