K52.82 Eosinophilic colitis

Billable ICD-10-CM code, FY2026.

Excludes2 (not included here)

• allergic proctocolitis (K52.29)
• food-induced eosinophilic proctocolitis (K52.29)
• food protein-induced enterocolitis syndrome (FPIES) (K52.21)
• food protein-induced proctocolitis (K52.29)
• milk protein-induced proctocolitis (K52.29)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 558.42 Eosinophilic colitis

Code annotations containing back-references to K52.82

Back-references to K52.82

• Type 2 Excludes: K52.2 Allergic and dietetic gastroenteritis and colitis ("allergic eosinophilic colitis (K52.82)")

Diagnosis Index entries for K52.82

• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › eosinophilic

Nearby codes

• K52.22 Food protein-induced enteropathy
• K52.29 Other allergic and dietetic gastroenteritis and colitis
• K52.3 Indeterminate colitis
• K52.8 Other specified noninfective gastroenteritis and colitis
• K52.81 Eosinophilic gastritis or gastroenteritis
• K52.82 Eosinophilic colitis (this code)
• K52.83 Microscopic colitis
• K52.831 Collagenous colitis
• K52.832 Lymphocytic colitis
• K52.838 Other microscopic colitis
• K52.839 Microscopic colitis, unspecified