K50.819 Crohn's disease of both small and large intestine with unspecified complications

The ICD-10-CM code for Crohn's disease of both small and large intestine with unspecified complications is K50.819 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K50-K52: Noninfective enteritis and colitis (K50-K52)

Category K50

37 codes (28 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K50.819:

• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › regional (of) › large intestine (colon) (rectum) › with › complication › small intestine (duodenum) (ileum) (jejunum) involvement › with › complication
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › regional (of) › small intestine (duodenum) (ileum) (jejunum) › with › complication › large intestine (colon) (rectum) involvement › with › complication

U.S. Hospital Utilization

• An estimated 560 U.S. inpatient stays in 2023 included K50.819 among the documented diagnoses.
• 205 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)