Sign in →

Test Code HTLVSO Human T-Cell Lymphotropic Virus Types I and II Antibody Screen with Confirmation, Serum

Additional Codes

Mayo Test Code: HTLVI

Reporting Name

HTLV-I/-II Ab Screen, S

Useful For

Qualitative detection of human T-cell lymphotropic virus types I and II (HTLV-I and HTLV-II)-specific antibodies with confirmation and differentiation between HTLV-I and HTLV-II infection

 

This test should not be used to screen blood, human cells, tissues, or solid-organ donors.

 

This test is not intended for use on cord blood specimens.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
HTLVL HTLV-I/-II Ab Confirmation, S Yes No

Testing Algorithm

If the human T-cell lymphotropic virus types I and II (HTLV-I/-II) antibody screen is reactive, then HTLV-I/-II antibody confirmation by line immunoassay will be performed at an additional charge.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


This test is for serum specimens only. For spinal fluid specimens, order HTLVC / Human T-Cell Lymphotropic Virus Types 1 and 2 (HTLV-1/-2) Antibody Screen with Confirmation, Spinal Fluid.



Necessary Information


Date of collection is required.



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL Serum

Collection Instructions:

1. Centrifuge blood collection tube per collection tube manufacturer's instructions (eg, centrifuge within 2 hours of collection for BD Vacutainer tubes).

2. Aliquot serum into plastic vial.


Specimen Minimum Volume

Serum: 0.6 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 28 days
  Refrigerated  7 days

Reference Values

Negative

Day(s) Performed

Monday, Tuesday, Thursday, Friday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86790

86689 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HTLVI HTLV-I/-II Ab Screen, S 29901-6

 

Result ID Test Result Name Result LOINC Value
9539 HTLV-I/-II Ab Screen, S 29901-6

Cautions

A negative test result does not exclude the possibility of exposure to human T-cell lymphotropic virus types I and II. Levels of total antibodies to these viruses may be undetectable in early infection.

 

Performance characteristics have not been established for the following specimen characteristics:

-Grossly icteric (total bilirubin level of >20 mg/dL)

-Grossly lipemic (triolein level of >3000 mg/dL)

-Grossly hemolyzed (hemoglobin level of >3051 mg/dL)

-Containing particulate matter

-Cadaveric specimens

Report Available

1 to 4 days

Specimen Retention Time

14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Precipitated specimens Reject
Heat-treated specimens Reject

Method Name

Enzyme Immunoassay (EIA)

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Kidney Transplant Test Request

-Infectious Disease Serology Test Request (T916)