Tysabri Antibodies
Test Mnemonic
TYSAB
CPT Codes
- 83516 - QTY (1)
LOINC ®
58012-6
Aliases
- Natalizumab Antibody
Includes
- Natalizumab Antibodies
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Frozen | Allow blood to clot at room temperature for 30 minutes. Separate serum from cells within 1 hour and transfer to standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Frozen | Allow blood to clot at room temperature for 30 minutes. Separate serum from cells within 1 hour and transfer to standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Refrigerated | 2 weeks |
| Frozen | 2 weeks |
Days Performed
Varies
Turnaround Time
6 - 11 days
Methodology
| Name | Description |
|---|---|
| Qualitative Bridging Enzyme-Linked Immunosorbent Assay |
Reference Range
Special Info
Separate specimens must be submitted when multiple tests are ordered. This test is New York state approved.
Clinical Info
Aids in management of individuals receiving natalizumab therapy.