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HelpTest Code 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
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
Reporting Name
HTLV -1/-2 Ab Confirmation, CSFSpecimen Type
CSFSpecimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Frozen (preferred) | 30 days | |
| Refrigerated | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
Reference Values
Negative
Day(s) Performed
Tuesday
Report Available
2 to 15 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.