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H71.20

Billable

Cholesteatoma of mastoid, unspecified ear

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

What This Code Means

An abnormal skin growth in the mastoid bone (part of the skull behind the ear) when the specific ear is not documented or specified.

Coding Tips

  • •Use only when laterality is truly unspecified; query provider for ear side if possible
  • •Mastoid cholesteatoma often indicates more advanced disease requiring surgical management

Code Hierarchy

└H71Cholesteatoma of middle ear└H71.2Cholesteatoma of mastoid└H71.20Cholesteatoma of mastoid, unspecified ear
└H71.20Cholesteatoma of mastoid, unspecified ear

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