K56.50 Intestinal adhesions [bands], unspecified as to partial versus complete obstruction

The ICD-10-CM code for Intestinal adhesions [bands], unspecified as to partial versus complete obstruction is K56.50 (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 K56.50:

• Adhesions, adhesive (postinfective) › with intestinal obstruction
• Hernia, hernial (acquired) (recurrent) › due to adhesions (with obstruction)
• Adhesions, adhesive (postinfective) › intestine › with obstruction
• Adhesions, adhesive (postinfective) › peritoneum, peritoneal (postinfective) › with obstruction (intestinal)
• Band (s) › obstructive › intestine
• Band (s) › obstructive › peritoneum
• Obstruction, obstructed, obstructive › intestine › with › adhesions (intestinal) (peritoneal)

Inclusion Terms

• Intestinal adhesions with obstruction NOS

U.S. Hospital Utilization

• An estimated 59,525 U.S. inpatient stays in 2023 included K56.50 among the documented diagnoses.
• 41,480 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)