2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Arthropod-Borne Viral Diseases 060-066 > ICD-9-CM Diagnosis 063 Tick-borne viral encephalitis Encephalitis caused by neurotropic viruses that are transmitted via the bite of TICKS. In Europe, the diseases are caused by ENCEPHALITIS VIRUSES, TICK-BORNE, which give rise to Russian spring-summer encephalitis, central European encephalitis, louping ill encephalitis, and related disorders. Powassan encephalitis occurs in North America and Russia and is caused by the Powassan virus. ASEPTIC MENINGITIS and rarely encephalitis may complicate COLORADO TICK FEVER which is endemic to mountainous regions of the western United States. 063 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 063.0 Russian spring-summer (taiga) encephalitis 063.0 is a specific code that can be used to specify a diagnosis 063.0 contains 5 index entries ICD-9-CM Diagnosis 063.1 Louping ill An acute tick-borne arbovirus infection causing meningoencephalomyelitis of sheep. 063.1 is a specific code that can be used to specify a diagnosis 063.1 contains 4 index entries ICD-9-CM Diagnosis 063.2 Central european encephalitis 063.2 is a specific code that can be used to specify a diagnosis 063.2 contains 7 index entries ICD-9-CM Diagnosis 063.8 Other specified tick-borne viral encephalitis 063.8 is a specific code that can be used to specify a diagnosis 063.8 contains 6 index entries ICD-9-CM Diagnosis 063.9 Tick-borne viral encephalitis unspecified Encephalitis caused by neurotropic viruses that are transmitted via the bite of TICKS. In Europe, the diseases are caused by ENCEPHALITIS VIRUSES, TICK-BORNE, which give rise to Russian spring-summer encephalitis, central European encephalitis, louping ill encephalitis, and related disorders. Powassan encephalitis occurs in North America and Russia and is caused by the Powassan virus. ASEPTIC MENINGITIS and rarely encephalitis may complicate COLORADO TICK FEVER which is endemic to mountainous regions of the western United States. 063.9 is a specific code that can be used to specify a diagnosis 063.9 contains 3 index entries