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H70.211

Billable

Acute petrositis, right ear

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

What This Code Means

A sudden-onset inflammation of the petrous bone on the right side.

Coding Tips

  • •Confirm documentation indicates acute onset (sudden) rather than chronic or insidious presentation
  • •Acute petrositis may present with severe ear pain, hearing loss, or facial nerve involvement

Code Hierarchy

└H70Mastoiditis and related conditions└H70.2Petrositis└H70.21Acute petrositis└H70.211Acute petrositis, right ear
└H70.211Acute petrositis, right ear

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