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