488.11 FLU DT 2009 H1N1 W PNEU


Code Information

Diagnosis Code: 488.11

Short Description: Flu dt 2009 H1N1 w pneu

Long Description: Influenza due to identified 2009 H1N1 influenza virus with pneumonia

Code Classification:

  • Diseases of the respiratory system (460–519)
    • Pneumonia and influenza (480-488)
      • 488 Influenza due to identified avian influenza virus
        • 488.11 Flu dt 2009 H1N1 w pneu

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 488.11 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Influenza, influenzal 487.1
    • due to identified
      • (novel) 2009 H1N1 influenza virus 488.12
        • with
          • pneumonia 488.11
    • (novel) 2009 H1N1 488.12
      • bronchopneumonia 488.11
      • pneumonia (any form classifiable to 480-483, 485-486) 488.11
  • Pneumonia (acute) (Alpenstich) (benign) (bilateral) (brain) (cerebral) (circumscribed) (congestive) (creeping) (delayed resolution) (double) (epidemic) (fever) (flash) (fulminant) (fungoid) (granulomatous) (hemorrhagic) (incipient) (infantile) (infectious) (infiltration) (insular) (intermittent) (latent) (lobe) (migratory) (newborn) (organized) (overwhelming) (primary) (progressive) (pseudolobar) (purulent) (resolved) (secondary) (senile) (septic) (suppurative) (terminal) (true) (unresolved) (vesicular) 486
    • with influenza, flu, or grippe 487.0
      • due to
        • identified (virus)
          • (novel) 2009 H1N1 488.11
    • broncho-, bronchial (confluent) (croupous) (diffuse) (disseminated) (hemorrhagic) (involving lobes) (lobar) (terminal) 485
      • with influenza 487.0
        • due to
          • identified (virus)
            • (novel) 2009 H1N1 488.11

Crosswalk Information

The code 488.11 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
488.11 Right Arrow J10.08 Influenza due to oth ident influenza virus w oth pneumonia
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
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
488.12 Influenza due to identified 2009 H1N1 influenza virus with other respiratory manifestations
488.19 Influenza due to identified 2009 H1N1 influenza virus with other manifestations
488.81 Influenza due to identified novel influenza A virus with pneumonia
488.82 Influenza due to identified novel influenza A virus with other respiratory manifestations
488.89 Influenza due to identified novel influenza A virus with other manifestations


This page was last updated on: 10/1/2014