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 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

H72 Perforation of tympanic membrane

 * Includes: persistent post-traumatic perforation of ear drum
 * postinflammatory perforation of ear drum
 * Code first any associated otitis media (H65.-, H66.1-, H66.2-, H66.3-, H66.4-, H66.9-, H67.-)
 * Excludes1: acute suppurative otitis media with rupture of the tympanic membrane (H66.01-)
 * traumatic rupture of ear drum (S09.2-)
 * H72.0 Central perforation of tympanic membrane
 * H72.00 Central perforation of tympanic membrane, unspecified ear
 * H72.01 Central perforation of tympanic membrane, right ear
 * H72.02 Central perforation of tympanic membrane, left ear
 * H72.03 Central perforation of tympanic membrane, bilateral
 * H72.1 Attic perforation of tympanic membrane
 * Perforation of pars flaccida
 * H72.10 Attic perforation of tympanic membrane, unspecified ear
 * H72.11 Attic perforation of tympanic membrane, right ear
 * H72.12 Attic perforation of tympanic membrane, left ear
 * H72.13 Attic perforation of tympanic membrane, bilateral
 * H72.2 Other marginal perforations of tympanic membrane
 * H72.2x Other marginal perforations of tympanic membrane
 * H72.2x1 Other marginal perforations of tympanic membrane, right ear
 * H72.2x2 Other marginal perforations of tympanic membrane, left ear
 * H72.2x3 Other marginal perforations of tympanic membrane, bilateral
 * H72.