H70.01 - Subperiosteal abscess of mastoid H70.0 - Acute mastoiditis H70.01 - Subperiosteal abscess of mastoid
H70.011 - Subperiosteal abscess of mastoid, right ear H70.012 - Subperiosteal abscess of mastoid, left ear H70.013 - Subperiosteal abscess of mastoid, bilateral H70.019 - Subperiosteal abscess of mastoid, unspecified ear