Home > 2011 ICD-9-CM Diagnosis Codes > Diseases Of The Respiratory System 460-519 > Pneumonia And Influenza 480-488 > Influenza due to certain identified influenza viruses 488-
Specific code 2011 ICD-9-CM Diagnosis Code 488.19
Influenza due to identified novel h1n1 influenza virus with other manifestations
  • Short description: Flu dt H1N1 manfest NEC.
  • ICD-9-CM 488.19 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 488.19 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2011 version of ICD-9-CM 488.19.
  • More recent version(s) of ICD-9-CM 488.19: 2012 2013 2014 2015.
Convert to ICD-10-CM: 488.19 converts approximately to:
  • 2015/16 ICD-10-CM J09.X9 Influenza due to identified novel influenza A virus with other manifestations
Approximate Synonyms
  • Encephalopathy due to H1N1 influenza
  • Gastroenteritis due to H1N1 influenza
  • H1N1 influenza w encephalopathy
  • H1N1 influenza w gastroenteritis
  • H1N1 influenza w myocarditis
  • H1N1 influenza w otitis media
  • H1N1 influenza with otitis media
  • Influenza, H1N1 with encephalopathy
  • Influenza, H1N1 with gastroenteritis
  • Influenza, H1N1 with myocarditis
  • Myocarditis due to H1N1 influenza
  • Otitis media due to H1N1 influenza
488.19 Excludes
  • "intestinal flu" [viral gastroenteritis] (008.8)
Applies To
  • Encephalopathy due to identified novel H1N1 influenza
  • Novel H1N1 influenza with involvement of gastrointestinal tract
ICD-9-CM Volume 2 Index entries containing back-references to 488.19:
  • Encephalopathy (acute) 348.30
    • due to
      • birth injury (intracranial) 767.8
      • dialysis 294.8
      • drugs - (see also Table of Drugs and Chemicals) 348.39
      • hyperinsulinism - see Hyperinsulinism
      • influenza (virus) (see also Influenza) 487.8
        • identified
      • lack of vitamin (see also Deficiency, vitamin) 269.2
      • nicotinic acid deficiency 291.2
      • serum (nontherapeutic) (therapeutic) 999.5
      • syphilis 094.81
      • trauma (postconcussional) 310.2
        • current (see also Concussion, brain) 850.9
          • with skull fracture - see Fracture, skull, by site, with intracranial injury
      • vaccination 323.51
  • Influenza, influenzal 487.1
    • novel (2009) H1N1 488.12
      • with involvement of gastrointestinal tract 488.19
      • bronchopneumonia 488.11
      • laryngitis 488.12
      • manifestations NEC 488.19
      • pharyngitis 488.12
      • pneumonia (any form classifiable to 480-483, 485-486) 488.11
      • respiratory infection (acute) (upper) 488.12
 488.12 ICD9Data.com 490 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 488.19 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.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes