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H70.009

Billable

Acute mastoiditis without 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 without additional complications, but the specific ear affected is not documented.

Coding Tips

  • •Use this code only when laterality cannot be determined from documentation; always attempt to specify right, left, or bilateral
  • •This is a less specific code; review records to determine which ear is affected for more precise coding

Code Hierarchy

└H70Mastoiditis and related conditions└H70.0Acute mastoiditis└H70.00Acute mastoiditis without complications└H70.009Acute mastoiditis without complications, unspecified ear
└H70.009Acute mastoiditis without complications, unspecified ear

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