ICD-9 Code 066.49

West Nile w complic NEC

Diagnosis Code 066.49

ICD-9: 066.49
Short Description: West Nile w complic NEC
Long Description: West Nile Fever with other complications
This is the 2014 version of the ICD-9-CM diagnosis code 066.49

Code Classification
  • Infectious and parasitic diseases (001–139)
    • Arthropod-borne viral diseases (060-066)
      • 066 Other arthropod-borne viral diseases

Information for Medical Professionals

Convert to ICD-10 General 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.
  • A92.39 - West Nile virus infection with other complications

Index of Diseases and Injuries
References found for the code 066.49 in the Index of Diseases and Injuries:

    • Fever 780.60
      • West
        • Nile (viral) 066.40
          • with
            • other complications 066.49
    • West Nile
      • fever 066.40
        • with
          • other complications 066.49

Information for Patients

West Nile Virus

Also called: WNV

West Nile virus (WNV) is an infectious disease that first appeared in the United States in 1999. Infected mosquitoes spread the virus that causes it. People who get WNV usually have no symptoms or mild symptoms. The symptoms include a fever, headache, body aches, skin rash, and swollen lymph glands. They can last a few days to several weeks, and usually go away on their own.

If West Nile virus enters the brain, however, it can be life-threatening. It may cause inflammation of the brain, called encephalitis, or inflammation of the tissue that surrounds the brain and spinal cord, called meningitis. A physical exam, health history and laboratory tests can diagnose it.

Older people and those with weakened immune systems are most at risk. There are no specific vaccines or treatments for human WNV disease. The best way to avoid WNV is to prevent mosquito bites:

  • Use insect repellent
  • Get rid of mosquito breeding sites by emptying standing water from flower pots, buckets or barrels
  • Stay indoors between dusk and dawn, when mosquitoes are most active
  • Use screens on windows to keep mosquitoes out

NIH: National Institute of Allergy and Infectious Diseases

  • West Nile virus

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