Influenza due to certain identified influenza viruses (J09)

Browse all the diagnosis codes used for influenza due to certain identified influenza viruses (j09). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• influenza A/H1N1 J10
• 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