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H71.33

Billable

Diffuse cholesteatosis, bilateral

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

What This Code Means

A condition where abnormal bone growth (cholesteatosis) occurs in both ears, affecting the middle ear structures.

Coding Tips

  • •Verify bilateral involvement is documented in the medical record before assigning this code
  • •Distinguish between cholesteatosis (bone erosion) and cholesteatoma (cyst-like mass) as they have different treatment approaches

Code Hierarchy

└H71Cholesteatoma of middle ear└H71.3Diffuse cholesteatosis└H71.33Diffuse cholesteatosis, bilateral
└H71.33Diffuse cholesteatosis, bilateral

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