Specific code 2011 ICD-9-CM Diagnosis Code 488.12
Influenza due to identified novel h1n1 influenza virus with other respiratory manifestations
  • Short description: Flu dt H1N1 w oth resp.
  • ICD-9-CM 488.12 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 488.12 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 488.12.
  • More recent version(s) of ICD-9-CM 488.12: 2012 2013 2014.
Disease Synonyms
  • H1N1 influenza
  • H1N1 influenza w upper respiratory symptoms
  • Influenza due to Influenza A virus subtype H1N1
  • Influenza, H1N1 (flu virus)
  • Influenza, H1N1 with upper respiratory symptoms
  • Upper respiratory symptoms due to H1N1 influenza
Applies To
  • Novel H1N1 influenza NOS
  • Novel H1N1 influenzal:
    • laryngitis
    • pharyngitis
    • respiratory infection (acute) (upper)
Convert to ICD-10-CM: 488.12 converts approximately to:
  • 2014 ICD-10-CM J10.1 Influenza due to other identified influenza virus with other respiratory manifestations
ICD-9-CM Volume 2 Index entries containing back-references to 488.12:
  • Flu - see also Influenza
    • swine (see also Influenza, novel H1N1) 488.12
  • Influenza, influenzal 487.1
    • due to identified
    • novel (2009) H1N1 488.12
      • with involvement of gastrointestinal tract 488.19
      • bronchopneumonia 488.11
      • laryngitis 488.12
      • manifestations NEC 488.19
        • respiratory 488.12
      • pharyngitis 488.12
      • pneumonia (any form classifiable to 480-483, 485-486) 488.11
      • respiratory infection (acute) (upper) 488.12
    • novel A/H1N1 (see also Influenza, novel H1N1) 488.12
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 488.12 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.