H723-char group
Perforation of tympanic membrane
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: perforation of ear drum: persistent post-traumatic postinflammatory Excl.: traumatic rupture of ear drum (S09.2)