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BillableUnspecified viral infection characterized by skin and mucous membrane lesions
B09 is the ICD-10-CM code for Unspecified viral infection characterized by skin and mucous membrane lesions. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- A00-B99
- Edition
- FY2026
A00-B99 Certain infectious and parasitic diseases
What this means — in plain language
MedlinePlus · NIHWhat are viruses? Viruses are very tiny germs. They are made of genetic material (either DNA or RNA) inside of a protein coating. There are a huge number of viruses on earth. Only a small number of them can infect humans. Those viruses can infect our cells, which may cause disease. Some of the diseases that viruses can cause include the common cold , the flu , COVID-19 , and HIV . How are viruses spread? Viruses can…
Read more about Viral Infections at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Viral enanthema NOS
- •Viral exanthema NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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