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Test Code TREPAB Treponemal Antibodies IgG/IgM

Acceptable Collection Tube(s) or Specimen

Preferred: Gold SST

Acceptable: Red Top or GRN PST

Specimen Draw Volume

Volume: 4.0 mL

Minimum Volume: 2.0 mL

Processing Instructions

Draw in a Gold SST tube. Allow tube to clot for 30 minutes, centrifuge, and refrigerate.

Stability

Stability: Refrigerated 7 days, Frozen >7 days.

Performed Test Frequency

Weekdays,0600-2100

Methodology

Chemiluminescent Microparticle Immunoassay (CMIA)

CPT(s)

86780

Performing Location

MercyOne Des Moines Laboratory, Chemistry

Cerner Test Code

Trep Abs

Rejection Criteria

Rejection Criteria: Gross hemolysis

Testing Algorithm

If the Syphilis IgG/IgM result is reactive or equivocal, then the RPR Screen w/ Reflex (CPT 86592) will be performed at MercyOne, Des Moines. 

 

If the RPR screen is positive, then the Rapid Plasma Reagin Titer (CPT 86593) will be performed at MercyOne, Des Moines.

 

If the RPR screen is negative, then syphilis antibody Treponema Pallidum Particle Agglutination (CPT 86780) testing will be performed at Mayo Clinic Laboratories, Rochester.