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H70.93

Billable

Unspecified mastoiditis, bilateral

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 affecting both ears.

Coding Tips

  • •Bilateral involvement must be explicitly documented; do not assume bilateral disease
  • •If type of mastoiditis is specified, use the corresponding bilateral code from the acute or chronic subcategories

Code Hierarchy

└H70Mastoiditis and related conditions└H70.9Unspecified mastoiditis└H70.93Unspecified mastoiditis, bilateral
└H70.93Unspecified mastoiditis, bilateral

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