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H70.099

Billable

Acute mastoiditis with other complications, unspecified ear

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

What This Code Means

An acute infection and inflammation of the mastoid bone with additional complications, but the specific ear affected is not documented or specified.

Coding Tips

  • •Use this code only when laterality (which ear) cannot be determined from the medical record
  • •Query the provider if possible to determine right, left, or bilateral involvement for more specific coding

Code Hierarchy

└H70Mastoiditis and related conditions└H70.0Acute mastoiditis└H70.09Acute mastoiditis with other complications└H70.099Acute mastoiditis with other complications, unspecified ear
└H70.099Acute mastoiditis with other complications, unspecified ear

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