ARUP's Laboratory Test Directory

Treponema pallidum (VDRL), Cerebrospinal Fluid with Reflex to Titer : 0050206

Mnemonic: VDRL CSF

Ordering Recommendation: Preferred diagnostic assay for CSF specimens in suspected neurosyphilis.
Methodology: Semi-Quantitative Flocculation
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: CSF.

Specimen Preparation: Transfer 0.5 mL CSF to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Plasma, serum, or other body fluids.

Stability (collection to initiation of testing): Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
 
Test Number Components Reference Interval
 Treponema pallidum (VDRL) Cerebrospinal Fluid Nonreactive
 Treponema pallidum (VDRL) Titer, CSF < 1:2

Note: If VDRL is weakly reactive or reactive, then a titer will be added. Additional charges apply.
CPT Code(s): 86592; if reflexed, add 86593
Cross References: VDRL with Reflex to Titer (Treponema pallidum (VDRL), Cerebrospinal Fluid with Reflex to Titer)