ICD-10-CM > K00-K95 > K50-K52 > K52 > K52.8 > K52.81 K52.81 Eosinophilic gastritis or gastroenteritis Billable/Specific Copy Code Copy Description Applicable To Eosinophilic enteritis Type 2 Excludes eosinophilic esophagitis (K20.0)