2007 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.* >
 2007 ICD-9-CM Diagnosis 062.3
St. louis 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 Therefore, this code may be out of date.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 062.3 can be accessed here. - A viral encephalitis caused by the St. Louis encephalitis virus (ENCEPHALITIS VIRUS, ST. LOUIS), a FLAVIVIRUS. It is transmitted to humans and other vertebrates primarily by mosquitoes of the genus CULEX. The primary animal vectors are wild birds and the disorder is endemic to the midwestern and southeastern United States. Infections may be limited to an influenza-like illness or present as an ASEPTIC MENINGITIS or ENCEPHALITIS. Clinical manifestations of the encephalitic presentation may include SEIZURES, lethargy, MYOCLONUS, focal neurologic signs, COMA, and DEATH. (From Adams et al., Principles of Neurology, 6th ed, p750)
- 062.3 is a specific code that can be used to specify a diagnosis
- 062.3 contains 5 index entries
- View the ICD-9-CM Volume 1 062.* hierarchy
Index entries containing 062.3:- Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
- St. Louis type
 062.3
- type C 062.3
- viral, virus 049.9
- arthropod-borne NEC 064
- mosquito-borne 062.9
- St. Louis 062.3
- type C 062.3
Saint- Louis-type encephalitis 062.3
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