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.
Submit With Order
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.
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.
Cross References
  • Syphilis Immunoblot
  • Syphilis Western Blot
  • T pallidum IgG by immunoblot