Specific code 2014 ICD-9-CM Diagnosis Code 482.84
Pneumonia due to Legionnaires' disease
  • Billable Code
  • Short description: Legionnaires' disease.
  • ICD-9-CM 482.84 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 482.84 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Legionnaires disease
  • Legionnaire's disease
Clinical Information
  • An acute, sometimes fatal, pneumonia-like bacterial infection characterized by high fever, malaise, muscle aches, respiratory disorders and headache. It is named for an outbreak at the 1976 philadelphia convention of the american legion.
  • Legionnaires' disease is a type of pneumonia caused by bacteria. You usually get it by breathing in mist from water that contains the bacteria. The mist may come from hot tubs, showers or air-conditioning units for large buildings. The bacteria don't spread from person to person.symptoms of legionnaires' disease include fever, chills, a cough and sometimes muscle aches and headaches. Other types of pneumonia have similar symptoms. You will probably need a chest x-ray to diagnose the pneumonia. Lab tests can detect the specific bacteria that cause legionnaires' disease. The bacteria are more likely to make you sick if you
    • are older than 65
    • smoke
    • have a lung disease
    • have a weak immune system
    legionnaires' disease is serious and can be life-threatening. However, most people recover with antibiotic treatment. Centers for Disease Control and Prevention.
Convert to ICD-10-CM: 482.84 converts directly to:
  • 2014 ICD-10-CM A48.1 Legionnaires' disease
ICD-9-CM Volume 2 Index entries containing back-references to 482.84:
  • Disease, diseased - see also Syndrome
    • Legionnaires' 482.84
  • Legionnaires' disease 482.84
  • 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
    • Legionnaires' 482.84
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 482.84 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.