J09.X is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Influenza due to identified novel influenza A virus.
Inclusion term
Avian influenza
Bird influenza
Influenza A/H5N1
Influenza of other animal origin, not bird or swine
Swine influenza virus (viruses that normally cause infections in pigs)
Codes
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
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code