Sign in →

Test ID HTLLC Human T-Cell Lymphotropic Virus Types 1 and 2 (HTLV-1/-2) Antibody Confirmation, Spinal Fluid


Ordering Guidance


This confirmatory assay should be ordered only on spinal fluid specimens that are consistently reactive by an antihuman T-cell lymphotropic virus 1 and 2 (HTLV-1/-2) screening immunoassay. For an evaluation that includes both screening and confirmation, order HTLVC / Human T-Cell Lymphotropic Virus Types 1 and 2 (HTLV-1/-2) Antibody Screen with Confirmation, Spinal Fluid.

 

For testing serum specimens, order HTLVL / Human T-Cell Lymphotropic Virus Types I and II (HTLV-I/-II) Antibody Confirmation, Serum.



Necessary Information


Date of collection is required.



Specimen Required


Collection Container/Tube: Sterile vial

Specimen Volume: 0.5 mL

Collection Instructions: Submit spinal fluid (CSF) specimen from collection vial number 2, 3, or 4 (preferred). If vial number is not provided, then only clear CSF without visible hemolysis or xanthochromia will be accepted for testing.


Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.

Secondary ID

604935

Useful For

Confirmatory detection of human T-cell lymphotropic virus types 1 and 2 (HTLV-1 and HTLV-2)-specific IgG antibodies in spinal fluid specimens that are consistently reactive by initial screening tests

 

Differentiating between HTLV-1- and HTLV-2-specific IgG antibodies present in spinal fluid

Method Name

Line Immunoassay (LIA)

Reporting Name

HTLV -1/-2 Ab Confirmation, CSF

Specimen Type

CSF

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Frozen (preferred) 30 days
  Refrigerated  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Xanthochromia Reject

Reference Values

Negative

Day(s) Performed

Tuesday

Report Available

2 to 15 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

86689

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HTLLC HTLV -1/-2 Ab Confirmation, CSF 93744-1

 

Result ID Test Result Name Result LOINC Value
604935 HTLV-1/-2 Ab Confirmation, CSF 93745-8
604945 HTLV-1/-2 Bands 93743-3
604946 HTLV-1/-2 Discrimination 93742-5