HTLV I/II Antibody, with Reflex to Confirmatory Assay [36175]

Message

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

HTLV

Alias/See Also

36175

CPT Codes
86790

Includes

If HTLV-I/II Antibody is Reactive, then HTLV-I/II Antibody, Confirmatory Assay will be performed at an additional charge (CPT code(s): 86689)

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Other Acceptable Specimens

Plasma collected in: EDTA (lavender-top) tube

Instructions

Label the tubes according to your standard operating procedure, making sure that each tube has at least two unique patient identifiers.

If transport temperature will be frozen, centrifuge the red/lavender-top and transfer the serum/plasma into a plastic, screw-cap vial. The plastic, screw-cap vial (aliquot tube) containing serum or plasma must be labeled with the specimen type (serum or plasma) and at least two unique identifiers. Aliquot tubes must be processed and labeled at the original collection site. If aliquot tubes are submitted, do not send the original red/lavender-top.

Room temperature transport is acceptable. Do not store at room temperature.

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: See instructions
Refrigerated: 14 days
Frozen: 30 days

Methodology
Screen: Immunoassay (IA) • Confirmation: Immunoblot (IB)

Setup Schedule

Set up: Daily; Report available: 36 hours (reflex: 2-7 days)

Reference Range

Non-Reactive

Clinical Significance

HTLV-I is associated with adult T-cell lymphoblastic leukemia and B-cell chronic lymphocytic leukemia. HTLV-II is less common and is associated with neoplasias of the CD8 T lymphocytes. Blood donor screening began in 1998.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: November 30, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.