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

CPT 86790
Synonyms
  • HTLV-I/HTLV-II

Test Details

Methodology

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

Result Turnaround Time

1 - 4 days

Use

This test is used to screen patients for infection with human T-lymphotropic virus and, if positive, confirm infection with either HTLV-1 or HTLV-2.

Specimen Requirements

Limitations

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

Specimen

Serum or plasma

Volume

2 mL

Minimum Volume

1.5 mL

Container

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

Storage Instructions

Refrigerate.

Causes for Rejection

Gross bacterial contamination; hemolysis; lipemia

Collection Instructions

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

Stability Requirements

Temperature

Period

Room temperature

7 days

Refrigerated

14 days

Frozen

6 months

Freeze/thaw cycles

Stable x6

Note: Stability provided by manufacturer or literature reference.

Reference Range

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
Order Code164277
Order Code NameHTLV-I/II Antibodies, Qual.
Order Loinc29901-6
Result Code164278
Result Code NameHTLV-I/II Antibodies, Qual
UofM
Result LOINC29901-6
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 1
Order Code164133
Order NameHTLV-I/II Immunoblot
Result Code164130
Result NameHTLV-I IB
UofM
Result LOINC6432-9
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
Reflex 1
Order Code164133
Order NameHTLV-I/II Immunoblot
Result Code164132
Result NameHTLV-II IB
UofM
Result LOINC26656-9