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HTLV-I/II Antibody, with Reflex to Confirmatory Assay
Test Code36175
Alias/See Also
LAB1239
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 an 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.
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
Refrigerated: 14 days
Frozen: 30 days
Methodology
Screen: Immunoassay (IA) • Confirmation: Immunoblot (IB)
Setup Schedule
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-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |