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9 Unspecified Eustachian tube disorder
- H69.90 Unspecified Eustachian tube disorder, unspecified ear
- H69.91 Unspecified Eustachian tube disorder, right ear
- H69.92 Unspecified Eustachian tube disorder, left ear
- H69.93 Unspecified Eustachian tube disorder, bilateral
H70 Mastoiditis and related conditions
- H70.0 Acute mastoiditis
- Abscess of mastoid
- Empyema of mastoid
- 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
- Caries of mastoid
- Fistula of mastoid
- Excludes1: tuberculous mastoiditis (A18.03)
- 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
- Inflammation of petrous bone
- H70.20 Unspecified petrositis
- H70.201 Unspecified petrositis, right ear
- H70.202 Unspecified petrositis, left ear
- H70.
