K55.0 Acute vascular disorders of intestine

The ICD-10-CM code for Acute vascular disorders of intestine is K55.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

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

Section

K55-K64: Other diseases of intestines (K55-K64)

Category K55

37 codes (27 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K55.0:

• Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) › mesenteric (artery) (with gangrene) › vein (inferior) (superior)

Inclusion Terms

• Infarction of appendices epiploicae
• Mesenteric (artery) (vein) embolism
• Mesenteric (artery) (vein) infarction
• Mesenteric (artery) (vein) thrombosis

U.S. Hospital Utilization

• An estimated 40,120 U.S. inpatient stays in 2016 included K55.0 among the documented diagnoses.
• 13,780 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)