ICD-10-CM category
B09: Unspecified viral infection characterized by skin and mucous membrane lesions
B09 is “Unspecified viral infection characterized by skin and mucous membrane lesions”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code B09?
B09 is the ICD-10-CM code for Unspecified viral infection characterized by skin and mucous membrane lesions.
Is B09 billable?
Yes — B09 is a valid, billable ICD-10-CM code (it has no further subdivisions).
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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