Test Details
Methodology
Chemiluminescent microparticle immunoassay (CMIA); line blot (immunoblot)
Result Turnaround Time
1 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
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.
Limitations
HTLV-1 or HTLV-2 immunoblot testing should only be performed on patient specimens previously found positive for HTLV infection by immunoassay (EIA).
Specimen Requirements
Specimen
Serum or plasma
Volume
2 mL
Minimum Volume
1.5 mL
Container
Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube
Collection Instructions
Centrifuge sample to separate serum or plasma. For non-gel-barrier tubes, transfer serum or plasma to a plastic transport tube.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 14 days |
Frozen | 6 months |
Freeze/thaw cycles | Stable x6 |
Note: Stability provided by manufacturer or literature reference.
Reference Range
Negative
Storage Instructions
Refrigerate.
Causes for Rejection
Gross bacterial contamination; hemolysis; lipemia
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 164277 | HTLV-I/II Antibodies, Qual. | 29901-6 | 164278 | HTLV-I/II Antibodies, Qual | 29901-6 | |
| Order Code | 164277 | |||||
| Order Code Name | HTLV-I/II Antibodies, Qual. | |||||
| Order Loinc | 29901-6 | |||||
| Result Code | 164278 | |||||
| Result Code Name | HTLV-I/II Antibodies, Qual | |||||
| UofM | ||||||
| Result LOINC | 29901-6 |
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
|---|---|---|---|---|---|---|
| Reflex 1 | 164133 | HTLV-I/II Immunoblot | 164130 | HTLV-I IB | 6432-9 | |
| Reflex 1 | ||||||
| Order Code | 164133 | |||||
| Order Name | HTLV-I/II Immunoblot | |||||
| Result Code | 164130 | |||||
| Result Name | HTLV-I IB | |||||
| UofM | ||||||
| Result LOINC | 6432-9 | |||||
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
|---|---|---|---|---|---|---|
| Reflex 1 | 164133 | HTLV-I/II Immunoblot | 164132 | HTLV-II IB | 26656-9 | |
| Reflex 1 | ||||||
| Order Code | 164133 | |||||
| Order Name | HTLV-I/II Immunoblot | |||||
| Result Code | 164132 | |||||
| Result Name | HTLV-II IB | |||||
| UofM | ||||||
| Result LOINC | 26656-9 | |||||