ICD-11 definition : Chronic suppurative otitis media has traditionally been classified into safe and unsafe
type. Chronic atticoantral suppurative otitis media which is unsafe type is typified
by a marginal perforation of the posterosuperior pars tensa or pars flaccida.;
ICD-11 synonym : chronic atticoantral disease with posterior or superior marginal perforation of ear
drum; persistent mucosal disease with posterior or superior marginal perforation of ear
drum;
Chronic suppurative otitis media has traditionally been classified into safe and unsafe
type. Chronic atticoantral suppurative otitis media which is unsafe type is typified
by a marginal perforation of the posterosuperior pars tensa or pars flaccida.