Treponema pallidum Antibody, IgG by Immunoblot
2003095
Ordering Recommendation
Recommended supplementary confirmatory test for syphilis in so-called reverse screening algorithm. Use when a reactive EIA screening test is not confirmed by the TP-PA test or a reactive TP-PA screening test is not confirmed by the EIA test.
Mnemonic
SYPH G IB
Methodology
Qualitative Immunoblot
Performed
Tue
Reported
1-8 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Other body fluids.  
Remarks
  
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
Negative - No specific IgG antibodies against T. pallidum detected.
 
Equivocal - Questionable presence of T. pallidum IgG antibodies detected.  Repeat testing in 2-4 weeks is recommended.
Positive - IgG antibodies against T. pallidum are detected.  
Interpretive Data


See Compliance Statement D: www.aruplab.com/CS  
Note
 
CPT Code(s)
86780
Components
Component Test Code*Component Chart Name
2003096T. pallidum Ab, IgG by Immunoblot
* 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
  • Syphilis Immunoblot
  • Syphilis Western Blot
  • T pallidum IgG by immunoblot