A83.5 is the ICD-10 code for California encephalitis. It is a four-character subcategory of A83 (Mosquito-borne viral encephalitis), the most specific level in the WHO edition. It belongs to the block A80–A89 (Viral infections of the central nervous system) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What A83.5 includes
Conditions and terms that are coded here.
- California meningoencephalitis
- La Crosse encephalitis
A83.5 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A83.5Californisk encefalitt
DA835Californisk encefalitis
A83.5Kalifornian aivotulehdus
A83.5Kalifornische Enzephalitis
A83.5Encéphalite de Californie
A83.5Californische encefalitis
A83.5California encephalitis
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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