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K52.2 Allergic and dietetic gastroenteritis and colitis
BackK52Other and unspecified noninfective gastroenteritis and colitisCategory6 →K52.0Gastroenteritis and colitis due to radiationCategoryK52.1Toxic gastroenteritis and colitisCategoryK52.2Allergic and dietetic gastroenteritis and colitisCategory3 →K52.21Food protein-induced enterocolitis syndromeCategoryK52.22Food protein-induced enteropathyCategoryK52.29Other allergic and dietetic gastroenteritis and colitisCategoryK52.3Indeterminate colitisCategoryK52.8Other specified noninfective gastroenteritis and colitisCategory4 →K52.81Eosinophilic gastritis or gastroenteritisCategoryK52.82Eosinophilic colitisCategoryK52.83Microscopic colitisCategory4 →K52.831Collagenous colitisCategoryK52.832Lymphocytic colitisCategoryK52.838Other microscopic colitisCategoryK52.839Microscopic colitis, unspecifiedCategoryK52.89Other specified noninfective gastroenteritis and colitisCategoryK52.9Noninfective gastroenteritis and colitis, unspecifiedCategory
Category
K52.2
Allergic and dietetic gastroenteritis and colitis
EXAMPLES
Food hypersensitivity gastroenteritis or colitis
EXCLUDES
Excludes2: allergic eosinophilic colitis (K52.82)
allergic eosinophilic esophagitis (K20.0)
allergic eosinophilic gastritis (K52.81)
allergic eosinophilic gastroenteritis (K52.81)
allergic eosinophilic esophagitis (K20.0)
allergic eosinophilic gastritis (K52.81)
allergic eosinophilic gastroenteritis (K52.81)
CODING RULE
Use additional code: code to identify type of food allergy (Z91.01-, Z91.02-)
- Chapter
- XI · Diseases of the digestive system
- Section
- K50-K52
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.