About Section A90-A99

Section A90-A99 covers Arthropod-borne viral fevers and viral hemorrhagic fevers within Chapter 1 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from A90 to A99. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 40 entries

A90Dengue fever [classical dengue]Billable›A91Dengue hemorrhagic feverBillable›A92Other mosquito-borne viral feversNon-Billable›A92.0Chikungunya virus diseaseBillable›A92.1O'nyong-nyong feverBillable›A92.2Venezuelan equine feverBillable›A92.3West Nile virus infectionNon-Billable›A92.30West Nile virus infection, unspecifiedBillable›A92.31West Nile virus infection with encephalitisBillable›A92.32West Nile virus infection with other neurologic manifestationBillable›A92.39West Nile virus infection with other complicationsBillable›A92.4Rift Valley feverBillable›A92.5Zika virus diseaseBillable›A92.8Other specified mosquito-borne viral feversBillable›A92.9Mosquito-borne viral fever, unspecifiedBillable›A93Other arthropod-borne viral fevers, not elsewhere classifiedNon-Billable›A93.0Oropouche virus diseaseBillable›A93.1Sandfly feverBillable›A93.2Colorado tick feverBillable›A93.8Other specified arthropod-borne viral feversBillable›A94Unspecified arthropod-borne viral feverBillable›A95Yellow feverNon-Billable›A95.0Sylvatic yellow feverBillable›A95.1Urban yellow feverBillable›A95.9Yellow fever, unspecifiedBillable›A96Arenaviral hemorrhagic feverNon-Billable›A96.0Junin hemorrhagic feverBillable›A96.1Machupo hemorrhagic feverBillable›A96.2Lassa feverBillable›A96.8Other arenaviral hemorrhagic feversBillable›A96.9Arenaviral hemorrhagic fever, unspecifiedBillable›A98Other viral hemorrhagic fevers, not elsewhere classifiedNon-Billable›A98.0Crimean-Congo hemorrhagic feverBillable›A98.1Omsk hemorrhagic feverBillable›A98.2Kyasanur Forest diseaseBillable›A98.3Marburg virus diseaseBillable›A98.4Ebola virus diseaseBillable›A98.5Hemorrhagic fever with renal syndromeBillable›A98.8Other specified viral hemorrhagic feversBillable›A99Unspecified viral hemorrhagic feverBillable›