NAPROXEN, SERUM/PLASMA

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate serum from cells and send 1.0 mL (0.4 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: Lavender EDTA

Rejection Criteria
SST, PST

Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC/MS/MS)

Stability
Room temperature: 15 days; Refrigerated: 15 days; Frozen: 15 days

Reference Range
By report

Performed
Tuesday, Thursday

Turnaround Time5-8 days
Test CodeNAP
CPT-4 Code (s)
80329 (G0480)
LOINC Codes
3846-3

Warde
Medical
Laboratory