Natalizumab Antibodies

2005593
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Example Reports
Negative
Positive

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

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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