Test Overview
Test Methodology

Enzyme Immunoassay (EIA)

Test Usage

Demonstration of asymptomatic infection with HTLV-I or HTLV-II. Positive in adult T-cell leukemia (ATL) and tropical spastic paraparesis (TSP) or HTLV-I associated myelopathy (HAM).

Reference Range *

Negative (reported as Negative or Reactive)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Test results do not distinguish between infection with HTLV-I and HTLV-II.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 6 days

Soft Order Code
HTLVI
MiChart Code
Human T-Cell Lymphotropic Virus I/II
Synonyms
  • AHTL-1
  • AHTLI
  • HTLV1
  • HTLVI
  • HTLV-I
  • HTLV-I/II
  • Human T-Cell Lymphotropic Ab
  • Human T-Cell Lymphotropic Type I
  • AHTL-1
  • AHTLI
  • HTLV1
  • HTLVI
  • HTLV-I
  • Human T-Cell Lymphotropic Ab
  • Human T-Cell Lymphotropic Type I
  • HTLV I/II ANTIBODY, SERUM
  • HTLV-I/II Ab, Confirm Line, S
  • HTLV BANDS
  • HTLV CL
  • HTLV DISC
  • HTLVLIA
  • HTLV-I/II Bands
  • HTLV-I/II Ab, Confirm Line
  • HTLV-I/II Discrimination
Laboratory
Sendout
Reference Laboratory
Mayo HTLVI (9539)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze. Heat treated samples and samples containing precipitate are unacceptable.

Alternate Specimen
SST tube acceptable.
Yellow Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.6 mL serum
Additional Information

Sera that are repeatedly reactive will automatically be tested by the HTLV-I/II Confirmatory Line Immunoassay (HTLVLIA, Mayo 83277) at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. Test sent to Mayo Medical Laboratories.

Billing
CPT Code
86790
Fee Code
23372
Reflex CPT
86689
Reflex Fee Code
22006
LOINC
Z371-5
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