Syphilis – VDRL (Titer)

This is a non-treponemal screening test for syphilis. False positive results may occur due to systemic lupus erythematosus, leprosy, brucellosis, atypical pneumonia, typhus, yaws, pinta, or pregnancy. Monitoring of RPR is helpful in assessing effectiveness of therapy.

Portal Ordering Code: Syphilis-VDRL TITER
CPT Code(s): 86593

Fee Schedule

Storage and Transport Criteria: Specimen Storage Specimen Transport

Acceptable Specimens

Minimum Volume

Frozen Range
-70°C - 0°C

Refrigerated Range
0.1°C - 8°C

Room Temperature Range
8.1°C - 30°C

Stability at
4°C - 25°C

CSF 0.5 mL Acceptable at -20°C indefinitely Acceptable up to 5 days Reject 8 hours

Serum 1 mL Acceptable at -20°C indefinitely Acceptable up to 5 days Reject 8 hours
Includes: If VDRL screen is Reactive, then VDRL Titer and TPPA testing will be performed at an additional charge (CPT Code(s): 86593, 86780).
Methodology: Flocculation
Assay Category: FDA Approved
Reference Range: See laboratory report
Alternative Names: Syphilis Serology Screen

PR(Dx) rfl Ttr/T.pallidum

Blood Premarital RPR

Automated Reagin Test

ART

Rapid Plasma Reagin
Preferred Specimen(s): CSF

Serum
Alternative Specimen(s): N/A
Minimum Volume: CSF - 0.5 mL

Serum - 1 mL
Special Instructions: Cannot be ordered. Performed as a reflex only.
Reject Criteria: Inadequately labeled specimens

Leaking specimens

QNS (quantities not sufficient)

Specimens not meeting the Storage & Transport criteria upon receipt at laboratory
Setup Schedule: Testing done once a week.
Turn around time (TAT): 7 business days from arrival at the lab

Acceptable Specimens	Minimum Volume	Frozen Range -70°C - 0°C	Refrigerated Range 0.1°C - 8°C	Room Temperature Range 8.1°C - 30°C	Stability at 4°C - 25°C
		Specimen Storage			Specimen Transport
CSF	0.5 mL	Acceptable at -20°C indefinitely	Acceptable up to 5 days	Reject	8 hours
Serum	1 mL	Acceptable at -20°C indefinitely	Acceptable up to 5 days	Reject	8 hours