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Test Code
HTLVP
Test Name
Human T-Lymphotropic Virus Types I/II Antibody Profile
CPT Codes
86790
Expected Turnaround Time
1 - 4 days
Clinical Utility

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 and Container Info

Specimen Type: Serum

Alternate Specimen Type: Plasma

Collection Container: Gold Top, Serum Separator Tube

Alternate Collection Container: Red Top, Plain or Lavender Top (EDTA)

Desired Specimen Volume: 2 mL
Collection Instructions
  1. Collect specimen in gold top, serum separator tube via venipuncture
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 2 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

 7 days

Refrigerated

14 days

Frozen

6 months

Freeze/Thaw Cycles

 Stable x6
Causes for Rejection
  • Gross bacterial contamination
  • Hemolysis
  • Lipemia
Methodology
Chemiluminescent microparticle immunoassay (CMIA); line blot (immunoblot)
Reference Intervals

See patient report.
Limitations

HTLV-1 or HTLV-2 immunoblot testing should only be performed on patient specimens previously found positive for HTLV infection by immunoassay (EIA).
Alternate Names
  • HTLV-I/HTLV-II
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Monday-Friday
Reflex Tests
HTLVR
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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