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Donor, HTLV-I/II Antibody Screen [17379Z]

Test Code


CPT Code(s)


Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube

Collection Instructions

Please send the original collection tube, if possible. Aliquot tubes will only be accepted if processed and labeled at the original collection site.
Place the specimens for donor testing in a separate transport bag. Attach a Donor Testing label (Stock Clerk number 136296, available from Client Supplies) to the bag and ship refrigerated (cold packs).

Please call the Donor Testing Services Department at 703-802-6900, ext. 64656, or Client Services at 800-336-3718, ext. 3000, with any questions. This test is for eligibility determination of HCT/P donors. Do not use this test for routine clinical or routine diagnostic evaluation.

Specimen Container

Plastic screw-cap vial

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 6 months


Immunoassay (IA)

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Mon, Wed-Fri, Sat; Report available: 2 days

Reference Range(s)


Clinical Significance

This test is to be used for the screening of donors of human cells, tissues, and cellular and tissue-based products for infectious diseases.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
17379ADonor, HTLV I/II Ab Scr44538-7HTLV I+II Ab

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.