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EPIC CODE: LAB5650 Syphilis IgG IgM Antibody


Sunquest: SYPHGM


UPH Methodist Hospital


One 6 mL SST serum or EDTA and Heparin plasma (Min: 4 mL SST)

For Patients: <7 years of age, see "Notes" for further instructions

Storage/Transport Temperature

0.5 mL serum at 2-8o C. (Min: 0.25 mL)

Stability (from collection to initiation)

Refrigerated: 7 days; Frozen (-20o C) Stability: 1 year (avoid repeated freeze/thaw cycles)

Unacceptable Conditions

CSF and other body fluids.

Special Testing Notes

Reverse Syphilis Screening Extended Info


Separate serum or plasma from cells ASAP. All reactives will be followed by RPR with Reflex to TPPA

Days Performed

Monday – Friday (1st shift)


Multiplex Flow Immunoassay

Reference Interval

Syphilis IgG RPR Treponenmal Assay Path partiale agglutation
Non-Reactive Not Indicated Not Indicated No Laboratoray evidence of syphillis infection
Reactive Non-Reactive Non-Reactive Inconclusive for syphilis infection; potentially early infection or false positive. If recent exposure, recommend re-screening in 2-4 weeks.
Reactive Non-Reactive Reactive Past or potential early syphilis infection
Reactive Reactive Not indicated Current or past syphilis infection

CPT Codes

86592 (0064U)


Only weakly reactive and reactive results are titered.

For patients <7 years of age, order ARUP 0050478, Rapid Plasma Reagin (RPR) with reflex to Titer and TP-PA Confirmation.  1 ml Serum refrigerated.  Plasma is unacceptable for this ARUP sendout test.