I41.1** Asterisk (manifestation)
Myocarditis in viral diseases classified elsewhere
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
Dual coding (†/*)
This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.
→ Full dagger (†) ↔ asterisk (*) mapping tableCoding guidance (WHO 2019)
Influenzal myocarditis (acute): seasonal virus identified (J10.8†) virus not identified (J11.8†) zoonotic or pandemic influenza virus identified (J09†) Mumps myocarditis (B26.8†)