Cholesteatoma (ear) 385.30

attic (primary) 385.31

diffuse 385.35

external ear (canal) 380.21

marginal (middle ear) 385.32

with involvement of mastoid cavity 385.33

secondary (with middle ear involvement) 385.33

mastoid cavity 385.30

middle ear (secondary) 385.32

with involvement of mastoid cavity 385.33

postmastoidectomy cavity (recurrent) 383.32

primary 385.31

recurrent, postmastoidectomy cavity 383.32

secondary (middle ear) 385.32

with involvement of mastoid cavity 385.33