
Mastoiditis and related conditions

Acute mastoiditis

Acute mastoiditis without complications

Subperiosteal abscess of mastoid

Acute mastoiditis with other complications

Chronic mastoiditis

Petrositis

Petrositis unspecified

Acute petrositis

Chronic petrositis

Complications following mastoidectomy

Postmastoidectomy complication unspecified

Mucosal cyst of postmastoidectomy cavity

Recurrent cholesteatoma of postmastoidectomy cavity

Granulations of postmastoidectomy cavity

Other disorders of mastoid

Postauricular fistula

Other disorders of mastoid

Unspecified mastoiditis