Influenza in ICD10: Difference between revisions

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~~==ICD10 Diagnosis codes for Influenza==~~

~~There are 4 influenza-related codes we're using in ICD10.~~

*3 code are for actual disease due to influenza:

**[[Influenza pneumonia]]

**[[Influenza without pneumonia but with other respiratory manifestations]]

**[[Influenza with nonrespiratory manifestations]]

*The 4th has a long & weird name: '''[[Influenza virus NOS -- should almost never be used]]''' (see more info in that article)

**See: [https://en.wikipedia.org/wiki/Influenza#Types_of_virus Wikipedia for types of virus included]

~~== Alternate ICD10s to consider coding instead or in addition ==~~

*[[Haemophilus influenzae (H. flu)]] (this is not an influenza [[Pathogens|pathogen]])

*[[Parainfluenza virus]] (this is not influenza an [[Pathogens|pathogen]])

==Identifying the Presence of Influenza==

*It's not always simple. The reason is that the value of lab tests in helping us figure out whether a person has influenza depends on:

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* enter an influenza code such as [[Influenza without pneumonia but with other respiratory manifestations]] '''WITHOUT combining it''' with the previous entry

** usually we would combine all three of these, but since one requires a pathogen, and the other doesn't allow one, they would have to be not combined.

==ICD10 Diagnosis codes for Influenza==

There are 4 influenza-related codes we're using in ICD10.