Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)

ICD-10 codes A90 to A99 cover a group of viral illnesses transmitted by arthropods, such as mosquitoes and ticks, including various viral hemorrhagic fevers. These codes are used to classify diseases like dengue fever, chikungunya, Zika virus disease, yellow fever, and serious hemorrhagic fevers such as Ebola and Marburg virus disease.

This range specifically codes for arthropod-borne viral fevers and viral hemorrhagic fevers. For example, A90 identifies classical dengue fever, while A91 is for dengue hemorrhagic fever, also known as dengue shock syndrome. Other mosquito-borne viral infections, including chikungunya fever (A92.0) and Zika virus disease (A92.5), are also captured here. The codes extend to serious hemorrhagic fevers like Lassa fever (A96.2), Crimean-Congo hemorrhagic fever (A98.0), and Ebola virus disease (A98.4). Unspecified or less common viral fevers are covered under codes such as A94 and A99. These ICD-10 codes help medical coders accurately document various viral infections spread by arthropods, essential for disease surveillance and clinical management.