A83 is the ICD-10 code for Mosquito-borne viral encephalitis. It is a three-character category divided into 9 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block A80–A89 (Viral infections of the central nervous system) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Category (3 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What A83 includes
Conditions and terms that are coded here.
- mosquito-borne viral meningoencephalitis
What A83 excludes
Conditions that look similar but belong under another code.
- Venezuelan equine encephalitis A92.2
Subcodes of A83
A83 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DA83Viral hjernebetændelse overført af myg
A83Hyttysten levittämä virusaivotulehdus
A83Virusenzephalitis, durch Moskitos [Stechmücken] übertragen
A83Encéphalite virale transmise par des moustiques
A83door muggen overgebrachte virale encefalitis
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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