B97.33: Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere
B97.33 is the billable ICD-10-CM diagnosis code for Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code B97.33?
B97.33 is the ICD-10-CM diagnosis code for Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere. It belongs to category B97 (Viral agents as the cause of diseases classified elsewhere).
Is B97.33 a billable code?
Yes. B97.33 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does B97.33 belong to?
B97.33 is part of ICD-10-CM category B97 — Viral agents as the cause of diseases classified elsewhere, which has 40 billable codes.
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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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