J09 - Influenza due to certain identified influenza viruses
Excludes 1:
-influenza due to other identified influenza virus (J10.-)
-influenza due to unidentified influenza virus (J11.-)
-seasonal influenza due to other identified influenza virus (J10.-)
-seasonal influenza due to unidentified influenza virus (J11.-)
J09.X - Influenza due to identified novel influenza A virus
J09.X1 - Influenza due to identified novel influenza A virus with pneumonia
J09.X2 - Influenza due to identified novel influenza A virus with other respiratory manifestations
J09.X3 - Influenza due to identified novel influenza A virus with gastrointestinal manifestations
J09.X9 - Influenza due to identified novel influenza A virus with other manifestations