ICD-10 Diagnosis Code A48.2

Nonpneumonic Legionnaires' disease [Pontiac fever]

Diagnosis Code A48.2

ICD-10: A48.2
Short Description: Nonpneumonic Legionnaires' disease [Pontiac fever]
Long Description: Nonpneumonic Legionnaires' disease [Pontiac fever]
This is the 2018 version of the ICD-10-CM diagnosis code A48.2

Valid for Submission
The code A48.2 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Certain infectious and parasitic diseases (A00–B99)
    • Other bacterial diseases (A30-A49)
      • Other bacterial diseases, not elsewhere classified (A48)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code A48.2 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 867 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH MCC
  • 868 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH CC
  • 869 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITHOUT CC/MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Synonyms
  • Cutaneous involvement legionellosis
  • Disseminated legionella infection
  • Extrapulmonary legionella infection
  • Legionella encephalopathy
  • Legionella infection
  • Pontiac fever

Information for Patients


Legionnaires' Disease

Also called: Legionellosis

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 high 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.

Most people exposed to the bacteria do not become sick. You are more likely to get sick if you

  • Are older than 50
  • Smoke
  • Have a chronic 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

  • Legionnaire disease (Medical Encyclopedia)


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