A90 Dengue fever [classical dengue]

Billable

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

Excludes 1 (cannot be coded together)

  • dengue hemorrhagic fever (A91)
This category is a complete, billable diagnosis code.

No additional specificity is required — submit A90 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026