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HelpHuman T-Cell Lymphotropic Virus Types I and II (HTLV-I/-II) Antibody Confirmation, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum SSTOrdering Guidance
This confirmatory assay should be ordered only on serum specimens that are consistently reactive by an antihuman T-cell lymphotropic virus 1 and 2 (anti-HTLV-I/-II) screening immunoassay. For an evaluation that includes screening and confirmation, order HTLVI / Human T-Cell Lymphotropic Virus Types I and II Antibody Screen with Confirmation, Serum.
For testing spinal fluid specimens, order HTLLC / Human T-Cell Lymphotropic Virus Types 1 and 2 (HTLV-1/-2) Antibody Confirmation, Spinal Fluid.
Necessary Information
Date of collection is required.
Specimen Required
Collection Container/Tube: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Centrifuge blood collection tube per collection tube manufacturer's instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).
2. Aliquot serum into plastic vial.
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum SST | Frozen (preferred) | ||
| Refrigerated | 7 days | ||
Reference Values
Negative
Day(s) Performed
Tuesday
CPT Code Information
86689
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HTLVL | HTLV-I/-II Ab Confirmation, S | 55162-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 83277 | HTLV-I/-II Ab Confirmation, S | 22362-8 |
| 23898 | HTLV-I/-II Bands | 61112-9 |
| 23899 | HTLV-I/-II Discrimination | 77744-1 |
Report Available
2 to 15 daysSpecimen Retention Time
14 daysForms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.