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H70.811

Billable

Postauricular fistula, right ear

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

What This Code Means

An abnormal tunnel or opening in the skin behind the right ear, typically resulting from chronic mastoid infection or previous mastoid surgery.

Coding Tips

  • •Postauricular fistulas are often sequelae of mastoiditis; verify whether this is a new finding or chronic condition
  • •Document whether the fistula is draining, infected, or symptomatic as this affects clinical management

Code Hierarchy

└H70Mastoiditis and related conditions└H70.8Other mastoiditis and related conditions└H70.81Postauricular fistula└H70.811Postauricular fistula, right ear
└H70.811Postauricular fistula, right ear

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