Human T-Cell Lymphotropic Virus 1, 2 (HTLV-1/HTLV-2) Antibodies, Preliminary Test With Confirmation

TEST: 164277
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CPT: 86790
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Synonyms

  • HTLV-I/HTLV-II

Expected Turnaround Time

1 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

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Specimen Requirements

Specimen

Serum or plasma

Volume

2 mL

Minimum Volume

1.5 mL

Container

Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube

Collection

Centrifuge sample to separate serum or plasma. For non−gel-barrier tubes, transfer serum or plasma to a plastic transport tube.

Storage Instructions

Refrigerate. Stable refrigerated for 14 days or frozen for six months.

Causes for Rejection

Gross bacterial contamination; hemolysis; lipemia

Test Details

Use

Screen patients for infection with human T-lymphotropic virus and, if positive, confirm infection with either HTLV-1 or HTLV-2

Limitations

HTLV-1 or HTLV-2 immunoblot testing should only be performed on patient specimens previously found positive for HTLV infection by immunoassay (EIA).

Methodology

Chemiluminescent microparticle immunoassay (CMIA); line blot (immunoblot)

Reference Interval

Negative

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
164277 HTLV-I/II Antibodies, Qual. 29901-6 164278 HTLV-I/II Antibodies, Qual 29901-6
Reflex Table for HTLV-I/II Antibodies, Qual
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 164133 HTLV-I/II Immunoblot 164130 HTLV-I IB 6432-9
Reflex Table for HTLV-I/II Antibodies, Qual
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 164133 HTLV-I/II Immunoblot 164132 HTLV-II IB 26656-9

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