2026 ICD-10-CM Diagnosis Code K50Crohn's disease [regional enteritis]

ICD-10-CM Codes›K00–K95›K50-K52›K50

ICD-10-CM K50
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K50 is a non-billable ICD-10-CM category code for Crohn's disease [regional enteritis], so it cannot be submitted on claims. Use a more specific code from this category instead, such as K50.00, K50.011, K50.012, and K50.013.

Code Identity

ICD-10-CM Code
K50
Billable Status
No — Non-Billable Category
Code Describes
Crohn's disease [regional enteritis]
Chapter
K50-K52
Noninfective enteritis and colitis

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK50-K52Noninfective enteritis and colitis
CategoryK50Crohn's disease [regional enteritis]
This CodeK50Crohn's disease [regional enteritis]

Specific Coding for Crohn's disease [regional enteritis]Overview

Non-specific codes like K50 require more characters. Use one of these billable codes instead:

  • K50.0 for Crohn's disease of small intestine

  • Use K50.00 for Crohn's disease of small intestine without complications

  • K50.01 for Crohn's disease of small intestine with complications

  • K50.1 for Crohn's disease of large intestine

  • Use K50.10 for Crohn's disease of large intestine without complications

  • K50.11 for Crohn's disease of large intestine with complications

  • K50.8 for Crohn's disease of both small and large intestine

  • Use K50.80 for Crohn's disease of both small and large intestine without complications

  • K50.81 for Crohn's disease of both small and large intestine with complications

  • K50.9 for Crohn's disease, unspecified

  • Use K50.90 for Crohn's disease, unspecified, without complications

  • K50.91 for Crohn's disease, unspecified, with complications

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • granulomatous enteritis

Use Additional Code

  • code to identify any associated fistulas, if applicable:
  • anal fistula K60.3
  • anorectal fistula K60.5
  • rectal fistula K60.4

Type 1 Excludes

  • ulcerative colitis K51

Patient EducationClinical

Crohn's Disease

Crohn's disease is a chronic (long-lasting) disease that causes inflammation in your digestive tract. It can affect any part of your digestive tract, which runs from your mouth to your anus. But it usually affects your small intestine and the beginning of your large intestine.

The full article covers:

  • What is Crohn's disease?
  • What causes Crohn's disease?
  • Who is more likely to develop Crohn's disease?
  • What are the symptoms of Crohn's disease?
  • What other problems can Crohn's disease cause?
  • How is Crohn's disease diagnosed?
  • What are the treatments for Crohn's disease?

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 K50Overview

Is K50 (Crohn's disease [regional enteritis]) a billable code?

No. This is a category header that groups the codes for Crohn's disease [regional enteritis], and headers cannot be submitted on claims. Claims for Crohn's disease [regional enteritis] need a more specific code from this category, such as K50.00, K50.011, and K50.012.