Treponema pallidum (VDRL), Serum with Reflex to Titer : ARUP Lab Tests

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Treponema pallidum (VDRL), Serum with Reflex to Titer : 0093093

Mnemonic: VDRL SERU

Methodology:	Flocculation
Performed:	Mon-Fri
Reported:	1-4 days
Specimen Required:	Collect: One 4 mL plain red or serum separator tube. Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Unacceptable Conditions: Severely lipemic, contaminated, heat-inactivated, or hemolyzed specimens. CSF or other body fluids. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval:

Test Number	Components	Reference Interval
	Treponema pallidum (VDRL), Serum	Nonreactive
	Treponema pallidum (VDRL) Titer, Serum	< 1:2

Interpretive Data:

VDRL as a screening test is less sensitive than RPR.

Note:

If VDRL is weakly reactive or reactive, then a titer will be added.

CPT Code(s):

86592 Treponema pallidum screen; if reflexed, add 86593 Treponema pallidum titer

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