Which code represents the West Nile virus?

The code A92.3 specifically represents the West Nile virus in the ICD-10-CM coding system. This code is classified under the category of viral infections transmitted by arthropods, which is where diseases like the West Nile virus are categorized in the coding system due to their origin and transmission method.

Each of the other codes provided corresponds to different diagnoses: B20 is used for HIV disease, C00 pertains to malignant neoplasms of the lip, and D50 relates to iron deficiency anemia. This helps to clearly differentiate the West Nile virus as a specific viral infection with its own designated code, allowing for precise reporting and tracking of cases related to this illness.