ICD-10-CM K52.2: Allergic and dietetic gastroenteritis and colitis

ICD-10-CM Diagnosis Code (2025)

Official Description for K52.2

Allergic and dietetic gastroenteritis and colitis

Coding Notes & Guidelines for K52.2

Excludes2: Not Included Here
  • allergic eosinophilic colitis (K52.82)
  • allergic eosinophilic esophagitis (K20.0)
  • allergic eosinophilic gastritis (K52.81)
  • allergic eosinophilic gastroenteritis (K52.81)
Use Additional Code

code to identify type of food allergy (Z91.01-, Z91.02-)

Use Additional Code

code for hypovolemic shock, if present (R57.1)

Inclusion Terms

Food hypersensitivity gastroenteritis or colitis

Inclusion Terms

FPIES

Inclusion Terms
  • Allergic proctocolitis
  • Food hypersensitivity gastroenteritis or colitis
  • Food-induced eosinophilic proctocolitis
  • Food protein-induced proctocolitis
  • Immediate gastrointestinal hypersensitivity
  • Milk protein-induced proctocolitis

Parent Code (Less Specific):

K52 - Other and unspecified noninfective gastroenteritis and colitis

About ICD-10-CM Code K52.2 (Allergic and dietetic gastroenteritis and colitis)

ICD-10-CM code K52.2 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K52.2 became effective on October 1, 2024.

This page provides detailed information about K52.2 - Allergic and dietetic gastroenteritis and colitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Allergic and dietetic gastroenteritis and colitis.