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H70.92

Billable

Unspecified mastoiditis, left ear

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

What This Code Means

Inflammation of the mastoid bone of unspecified type and severity on the left side.

Coding Tips

  • •Verify left ear laterality is clearly documented in the medical record
  • •Review documentation to determine if acute or chronic mastoiditis can be specified for more precise coding

Code Hierarchy

└H70Mastoiditis and related conditions└H70.9Unspecified mastoiditis└H70.92Unspecified mastoiditis, left ear
└H70.92Unspecified mastoiditis, left ear

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