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K52.82

Billable

Eosinophilic colitis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

An allergic inflammation of the colon characterized by an abnormal accumulation of eosinophils, causing chronic diarrhea, abdominal pain, and sometimes blood in the stool.

Coding Tips

  • •Endoscopic biopsy is essential for diagnosis; document eosinophil counts and location of involvement (right colon, left colon, pancolonic)
  • •Rule out parasitic infections and other causes of eosinophilic colitis before assigning this code

Excludes 2 — Not included here, may code separately

  • 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)

Code Hierarchy

└K52Other and unspecified noninfective gastroenteritis and colitis└K52.8Other specified noninfective gastroenteritis and colitis└K52.82Eosinophilic colitis
└K52.82Eosinophilic colitis

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