2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Arthropod-Borne Viral Diseases 060-066 > Other Arthropod-Borne Viral Diseases 066.* >  2008 ICD-9-CM Diagnosis 066.4
West nile fever On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 066.4 can be accessed here. - A mosquito-borne viral illness caused by the WEST NILE VIRUS, a FLAVIVIRUS and endemic to regions of Africa, Asia, and Europe. Common clinical features include HEADACHE, FEVER, maculopapular rash, gastrointestinal symptoms, and lymphadenopathy. MENINGITIS; ENCEPHALITIS; and MYELITIS may also occur. The disease may occasionally be fatal or leave survivors with residual neurologic deficits. (From Joynt, Clinical Neurology, 1996, Ch26, p13; Lancet 1998 Sep 5;352(9130):767-71)
- 066.4 is a non-specific code that cannot be used to specify a diagnosis
- View the ICD-9-CM Volume 1 066.* hierarchy
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