TRIHEXYPHENIDYL, SERUM/PLASMA

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate serum from cells and send 5.0 mL serum (2.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA

Rejection Criteria
SST or PST

Methodology
Gas Chromatography (GC)

Stability
Room temperature: 7 days; Refrigerated: 14 days; Frozen: 12 months

Reference Range
By report

Performed
Tuesday, Friday

Turnaround Time5-7 days
Test CodeTRIH
CPT-4 Code (s)
80375 (80299)
LOINC Codes
9703-0

Warde
Medical
Laboratory