H71
Clinical Information
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A mass of keratin-producing squamous epithelium that resembles an inverted suck-in) bag of skin in the middle ear. It arises from the eardrum tympanic membrane) and grows into the middle ear causing erosion of ear ossicles and mastoid that contains the inner ear.
Details
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Keratosis obturans of external ear (canal)
- H71.0
Cholesteatoma of attic
- H71.00
Cholesteatoma of attic unspecified ear
- H71.01
Cholesteatoma of attic right ear
- H71.02
Cholesteatoma of attic left ear
- H71.03
Cholesteatoma of attic bilateral
- H71.1
Cholesteatoma of tympanum
- H71.10
Cholesteatoma of tympanum unspecified ear
- H71.11
Cholesteatoma of tympanum right ear
- H71.12
Cholesteatoma of tympanum left ear
- H71.13
Cholesteatoma of tympanum bilateral
- H71.2
Cholesteatoma of mastoid
- H71.20
Cholesteatoma of mastoid unspecified ear
- H71.21
Cholesteatoma of mastoid right ear
- H71.22
Cholesteatoma of mastoid left ear
- H71.23
Cholesteatoma of mastoid bilateral
- H71.3
Diffuse cholesteatosis
- H71.30
Diffuse cholesteatosis unspecified ear
- H71.31
Diffuse cholesteatosis right ear
- H71.32
Diffuse cholesteatosis left ear
- H71.33
Diffuse cholesteatosis bilateral
- H71.9
Unspecified cholesteatoma
- H71.90
Unspecified cholesteatoma unspecified ear
- H71.91
Unspecified cholesteatoma right ear
- H71.92
Unspecified cholesteatoma left ear
- H71.93
Unspecified cholesteatoma bilateral