Health Information Management

Tip: Remember to add fifth digit for ICD-9-CM flu codes

APCs Insider, October 1, 2010

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The 2011 update for ICD-9-CM codes adds specificity to the codes for flu due to H1N1 by including a fifth digit. The new codes contain information about associated complicating conditions, such as pneumonia or other respiratory manifestations.

The codes also include a new note to specify the type of pneumonia. The new codes are:

  • 488.01, Influenza due to identified avian influenza virus with pneumonia
  • 488.02, Influenza due to identified avian influenza virus with other respiratory manifestations
  • 488.09, Influenza due to identified avian influenza virus with other manifestations
  • 488.11, Influenza due to identified novel H1N1 influenza virus with pneumonia
  • 488.12, Influenza due to identified novel H1N1 influenza virus with other respiratory manifestations
  • 488.19, Influenza due to identified novel H1N1 influenza virus with other manifestations

This tip was adapted from “Fewer new ICD-9-CM codes for 2011” in the October issue of Briefings on APCs.



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