AHA Coding Clinic® for ICD-9 - 2011 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Novel Influenza A
Effective October 1, 2011, codes in subcategory 488.1, Influenza due to identified novel H1N1 influenza virus, have been retitled to state "Influenza due to identified 2009 H1N1 influenza virus." The 2009 pandemic influenza is now regularly referred to as 2009 H1N1 influenza, rather than novel H1N1 influenza. Additionally, a new subcategory and new codes have been created to describe novel influenza A. The new codes include Influenza due to identified novel influenza A virus with pneumonia (488.81); Influenza due to identified novel influenza A virus with other respiratory manifestations (488.82); and influenza due to identified...
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