Connect Sign In
2005593
Natalizumab Antibodies
NATAL ABS
Ordering Recommendation
Aids in management of individuals receiving natalizumab therapy.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Plain red. Also acceptable: Serum separator tube (SST).
Specimen Preparation
Allow blood to clot at room temperature for 30 minutes. Separate serum from cells within 1 hour. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport Temperature
Frozen. Also acceptable: Refrigerated
Unacceptable Conditions
Remarks
Stability
Ambient: Unacceptable; Refrigerated: 2 Weeks; Frozen: 2 Weeks
Methodology
Qualitative Bridging Enzyme-Linked Immunosorbent Assay
Performed
Varies
Reported
5-10 days
Reference Interval
By report
Interpretive Data
Compliance Category
Performed by non-ARUP Laboratory
Note
Hotline History
N/A
CPT Codes
83516
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2005594 | Natalizumab Antibodies | 58012-6 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Tysabri Neutralizing Antibody
- Tysabri, Natalizumab Immunogenicity Test
Natalizumab Antibodies
Eurofins Viracor
