383: Mastoiditis and related conditions
383.3 Complications following mastoidectomy
383.30: Postmastoidectomy complication, unspecified
383.31: Mucosal cyst of postmastoidectomy cavity
383.32: Recurrent cholesteatoma of postmastoidectomy cavity
383.33: Granulations of postmastoidectomy cavity
Chronic inflammation of postmastoidectomy cavity
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