T49.6X1 - Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional) T49.6 - Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations T49.6X - Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations T49.6X1 - Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional)