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H70.203

Billable

Unspecified petrositis, bilateral

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

What This Code Means

An inflammation of the petrous bone affecting both sides of the skull simultaneously, without specification of acute or chronic status.

Coding Tips

  • •Bilateral petrositis is uncommon; ensure documentation clearly supports bilateral involvement
  • •Attempt to determine and document whether the condition is acute or chronic for more specific coding

Code Hierarchy

└H70Mastoiditis and related conditions└H70.2Petrositis└H70.20Unspecified petrositis└H70.203Unspecified petrositis, bilateral
└H70.203Unspecified petrositis, bilateral

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