# Human T-Cell Lymphotropic Virus 1, 2 (HTLV-1/HTLV-2) Differentiation

> This test measures specific antibodies in the blood to distinguish between Human T-Cell Lymphotropic Virus type 1 (HTLV-1) and type 2 (HTLV-2). It is typically performed after an initial screening test shows a reactive result to confirm the infection and identify exactly which virus is present.

- Labcorp code: 164129
- Category: [Infections](https://picardo.health/labs/tests/infections.md)
- Sample: blood
- Labcorp turnaround: 2–6 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=164129&ref=assistant

## Results reported (2)

- HTLV-I IB
- HTLV-II IB

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.