ICD-10-CM A90 is the diagnosis code for Dengue fever [classical dengue]. This code falls under the section "Arthropod-borne viral fevers and viral hemorrhagic fevers" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as A90. They are mutually exclusive:
Understanding where A90 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, A90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
A90 is the ICD-10-CM diagnosis code for "Dengue fever [classical dengue]". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
A90 is located in Section A90-A99 — "Arthropod-borne viral fevers and viral hemorrhagic fevers" within Chapter 1 of the ICD-10-CM Tabular List.
Use A90 when the patients documented diagnosis matches "Dengue fever [classical dengue]" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Dengue fever [classical dengue] is A90.
Yes, A90 can be used as a primary diagnosis code since it is billable and specific.
A90 is in Chapter 1 of the ICD-10-CM Tabular List.
Type 1 Excludes for A90 include: dengue hemorrhagic fever (A91).
Yes, A90 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.