A90
BillableDengue fever [classical dengue]
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Dengue fever is a viral infection spread by mosquitoes that causes fever, headache, muscle and joint pain, and rash. It is also known as classical dengue and is typically a self-limiting illness that resolves within a week or two.
Coding Tips
- •A90 is used for uncomplicated dengue fever; if the patient develops severe dengue (dengue hemorrhagic fever or dengue shock syndrome), use codes A91 instead
- •This code does not require a fifth character; document the clinical presentation and any complications to ensure accurate coding and appropriate severity assessment
Excludes 1 — Do NOT code together
- dengue hemorrhagic fever (A91)
Code Hierarchy
└A90Dengue fever [classical dengue]
└A90Dengue fever [classical dengue]