Non-Billable / Non-Specific Code
ICD-10-CM A92.3 is the diagnosis code for West Nile virus infection. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where A92.3 sits in the ICD-10-CM classification helps ensure proper coding:
No, A92.3 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
A92.3 is the ICD-10-CM diagnosis code for "West Nile virus infection". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of A92.3 is A92 ("Other mosquito-borne viral fevers"). A92.3 provides a more specific classification within this category.
A92.3 is located in Section A90-A99 — "Arthropod-borne viral fevers and viral hemorrhagic fevers" within Chapter 1 of the ICD-10-CM Tabular List.
A92.3 has 4 sub-code(s) that provide more specific detail: A92.30, A92.31, A92.32, A92.39.
Use A92.3 when the patients documented diagnosis matches "West Nile virus infection" 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 West Nile virus infection is A92.3.
No, A92.3 is non-billable. Use a more specific sub-code for primary diagnosis billing.
A92.3 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, A92.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.