2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Arthropod-Borne Viral Diseases 060-066 > Mosquito-Borne Viral Encephalitis 062.* >  2008 ICD-9-CM Diagnosis 062.1
Western equine encephalitis 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 Therefore, this code may be out of date.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 062.1 can be accessed here. - A form of arboviral encephalitis (which primarily affects horses) endemic to western and central regions of NORTH AMERICA. The causative organism (ENCEPHALOMYELITIS VIRUS, WESTERN EQUINE) may be transferred to humans via the bite of mosquitoes (CULEX tarsalis and others). Clinical manifestations include headache and influenza-like symptoms followed by alterations in mentation, SEIZURES, and COMA. DEATH occurs in a minority of cases. Survivors may recover fully or be left with residual neurologic dysfunction, including PARKINSONISM, POSTENCEPHALITIC. (From Joynt, Clinical Neurology, 1996, Ch26, pp8-9)
- 062.1 is a specific code that can be used to specify a diagnosis
- 062.1 contains 4 index entries
- View the ICD-9-CM Volume 1 062.* hierarchy
Index entries containing 062.1:- Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
- equine (acute) (infectious) (viral) 062.9
- western
 062.1
- viral, virus 049.9
- arthropod-borne NEC 064
- mosquito-borne 062.9
- Western equine 062.1
- Western equine 062.1
Encephalomyelitis (chronic) (granulomatous) (hemorrhagic necrotizing, acute) (myalgic, benign) (see also Encephalitis) 323.9- equine (acute) (infectious) 062.9
- western 062.1
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