Natalizumab Antibodies
2005593
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.
Submit With Order
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)  
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
 
Note
 
CPT Code(s)
83516
Components
Component Test Code*Component Chart NameLOINC
2005594Natalizumab Antibodies58012-6
* 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, Natalizumab Immunogenicity Test

Performed at Viracor-IBT Laboratories