Specific code 2013 ICD-9-CM Diagnosis Code 484.3
Pneumonia in whooping cough
  • Short description: Pneumonia in whoop cough.
  • ICD-9-CM 484.3 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 484.3 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 2013 version of ICD-9-CM 484.3.
  • More recent version(s) of ICD-9-CM 484.3: 2014 2015.
Convert to ICD-10-CM: 484.3 converts approximately to:
  • 2015/16 ICD-10-CM A37.91 Whooping cough, unspecified species with pneumonia
Approximate Synonyms
  • Pertussis w pneumonia
  • Pneumonia due to Bordetella parapertussis
  • Pneumonia in pertussis
  • Whooping cough due to Bordetella parapertussis w pneumonia
  • Whooping cough due to Bordetella with pneumonia
Code First
ICD-9-CM Volume 2 Index entries containing back-references to 484.3:
  • 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
  • Whooping cough 033.9
    • with pneumonia 033.9 [484.3]
    • due to
      • Bordetella
      • specified organism NEC 033.8
        • with pneumonia 033.8 [484.3]
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 484.3 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 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.