33460:VALPROIC ACID (DEPAKOTE)

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33460:VALPROIC ACID (DEPAKOTE)
Alias Names: DEPAKOTE
Methodology: Immunoturbidimetric Assay
Edit Date: 2/25/2008
Performed: Daily
Released: Same day
CPT Code: 80164
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin), 4.5 mL light green plasma separator tube (PST), or 4 mL lavender top tube (EDTA).
Handling: Allow to clot, centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green or lavender top tube within 2 hours of collection, separate plasma and pour into a plastic vial for transport. Refrigerate. Freeze if specimen cannot be assayed within 48 hours. Allow no more than one freeze/thaw cycle. Note date and time of last dose.
Stability: 48 hours refrigerated.
Standard Volume: 0.5 mL serum or plasma.
Minimum Volume: 150 uL serum or plasma.
Transport: Refrigerated, or frozen on dry ice.
Rejection Criteria: Refrigerated specimen received in laboratory more than 48 hours after collection; specimen frozen/thawed more than once.

Specimen frozen/thawed more than once; refrigerated specimen received in laboratory more than 48 hours after collection.

Reference Range:
50-100 µg/mL