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Natalizumab Antibodies
2005593
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Ordering Recommendation
Aids in management of individuals receiving natalizumab therapy.
Mnemonic
NATAL ABS
Methodology
Qualitative Bridging Enzyme-Linked Immunosorbent Assay
Performed
Varies
Reported
5-10 days
New York DOH Approval Status
This test is New York DOH 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
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
Viracor Eurofins Clinical Diagnostics
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