K56.2 Volvulus

The ICD-10-CM code for Volvulus is K56.2 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

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

Category K56

22 codes (16 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K56.2:

• Volvulus (bowel) (colon) (intestine)
• Knot (s) › intestinal, syndrome (volvulus)
• Knotting (of) › intestine
• Strangulation, strangulated › bowel or colon
• Strangulation, strangulated › intestine (large) (small)
• Torsion › bowel, colon or intestine
• Strangulation, strangulated › omentum
• Strangulation, strangulated › mesentery

Inclusion Terms

• Strangulation of colon or intestine
• Torsion of colon or intestine
• Twist of colon or intestine

U.S. Hospital Utilization

• An estimated 34,580 U.S. inpatient stays in 2023 included K56.2 among the documented diagnoses.
• 16,930 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)