ICD-10-CM H70: Mastoiditis and related conditions

H70.0 - Acute mastoiditis H70.00 - Acute mastoiditis without complications H70.001 - Acute mastoiditis without complications, right ear H70.002 - Acute mastoiditis without complications, left ear H70.003 - Acute mastoiditis without complications, bilateral H70.009 - Acute mastoiditis without complications, unspecified ear 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 H70.09 - Acute mastoiditis with other complications H70.091 - Acute mastoiditis with other complications, right ear H70.092 - Acute mastoiditis with other complications, left ear H70.093 - Acute mastoiditis with other complications, bilateral H70.099 - Acute mastoiditis with other complications, unspecified ear H70.1 - Chronic mastoiditis H70.10 - Chronic mastoiditis, unspecified ear H70.11 - Chronic mastoiditis, right ear H70.12 - Chronic mastoiditis, left ear H70.13 - Chronic mastoiditis, bilateral H70.2 - Petrositis H70.20 - Unspecified petrositis H70.201 - Unspecified petrositis, right ear H70.202 - Unspecified petrositis, left ear H70.203 - Unspecified petrositis, bilateral H70.209 - Unspecified petrositis, unspecified ear H70.21 - Acute petrositis H70.211 - Acute petrositis, right ear H70.212 - Acute petrositis, left ear H70.213 - Acute petrositis, bilateral H70.219 - Acute petrositis, unspecified ear H70.22 - Chronic petrositis H70.221 - Chronic petrositis, right ear H70.222 - Chronic petrositis, left ear H70.223 - Chronic petrositis, bilateral H70.229 - Chronic petrositis, unspecified ear H70.8 - Other mastoiditis and related conditions H70.81 - Postauricular fistula H70.811 - Postauricular fistula, right ear H70.812 - Postauricular fistula, left ear H70.813 - Postauricular fistula, bilateral H70.819 - Postauricular fistula, unspecified ear H70.89 - Other mastoiditis and related conditions H70.891 - Other mastoiditis and related conditions, right ear H70.892 - Other mastoiditis and related conditions, left ear H70.893 - Other mastoiditis and related conditions, bilateral H70.899 - Other mastoiditis and related conditions, unspecified ear H70.9 - Unspecified mastoiditis H70.90 - Unspecified mastoiditis, unspecified ear H70.91 - Unspecified mastoiditis, right ear H70.92 - Unspecified mastoiditis, left ear H70.93 - Unspecified mastoiditis, bilateral