H70.019
BillableSubperiosteal abscess of mastoid, unspecified ear
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A collection of pus (abscess) that has formed under the outer lining of the mastoid bone, but the specific ear affected is not documented.
Coding Tips
- •Use this code only when laterality is not specified; attempt to clarify which ear is affected for more precise coding
- •This code indicates a complication of mastoiditis; ensure abscess formation is documented