K52.2 Allergic and dietetic gastroenteritis and colitis

The ICD-10-CM code for Allergic and dietetic gastroenteritis and colitis is K52.2 (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

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

Category K52

18 codes (14 billable)

FY2026 Status

Stable since FY2024

Inclusion Terms

• Food hypersensitivity gastroenteritis or colitis

U.S. Hospital Utilization

• An estimated 2,300 U.S. inpatient stays in 2016 included K52.2 among the documented diagnoses.
• 585 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)

Cite This Page

Reference K52.2 with the canonical source and edition:

K52.2 — Allergic and dietetic gastroenteritis and colitis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/K52.2

Canonical URL: https://icd10codingpro.com/codes/K52.2