| A90 | Dengue fever [classical dengue] |
| A91 | Dengue hemorrhagic fever |
| A92 | Other mosquito-borne viral fevers |
| A92.0 | Chikungunya virus disease |
| A92.1 | O'nyong-nyong fever |
| A92.2 | Venezuelan equine fever |
| A92.3 | West Nile virus infection |
| A92.30 | West Nile virus infection, unspecified |
| A92.31 | West Nile virus infection with encephalitis |
| A92.32 | West Nile virus infection with other neurologic manifestation |
| A92.39 | West Nile virus infection with other complications |
| A92.4 | Rift Valley fever |
| A92.8 | Other specified mosquito-borne viral fevers |
| A92.9 | Mosquito-borne viral fever, unspecified |
| A93 | Other arthropod-borne viral fevers, not elsewhere classified |
| A93.0 | Oropouche virus disease |
| A93.1 | Sandfly fever |
| A93.2 | Colorado tick fever |
| A93.8 | Other specified arthropod-borne viral fevers |
| A94 | Unspecified arthropod-borne viral fever |
| A95 | Yellow fever |
| A95.0 | Sylvatic yellow fever |
| A95.1 | Urban yellow fever |
| A95.9 | Yellow fever, unspecified |
| A96 | Arenaviral hemorrhagic fever |
| A96.0 | Junin hemorrhagic fever |
| A96.1 | Machupo hemorrhagic fever |
| A96.2 | Lassa fever |
| A96.8 | Other arenaviral hemorrhagic fevers |
| A96.9 | Arenaviral hemorrhagic fever, unspecified |
| A98 | Other viral hemorrhagic fevers, not elsewhere classified |
| A98.0 | Crimean-Congo hemorrhagic fever |
| A98.1 | Omsk hemorrhagic fever |
| A98.2 | Kyasanur Forest disease |
| A98.3 | Marburg virus disease |
| A98.4 | Ebola virus disease |
| A98.5 | Hemorrhagic fever with renal syndrome |
| A98.8 | Other specified viral hemorrhagic fevers |
| A99 | Unspecified viral hemorrhagic fever |