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:	Semi-Quantitative Flocculation
Performed:	Sun-Sat
Reported:	1-2 days
Specimen Required:	Collect: Plain red or 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: 0.25 mL) Storage/Transport Temperature: Refrigerated Unacceptable Conditions: CSF or other body fluids. Contaminated, heat-inactivated, hemolyzed, or severely lipemic specimens. Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; 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. Additional charges apply.

CPT Code(s):

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

Cross References:

VDRL, Serum

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