Test Directory

Valproic Acid

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Updated Test Information:

Test Description
Valproic Acid
Synonym(s)
Depakene, Depakote
Test ID
VALP
Specimen Type
Serum
Alternate Specimen Type
Red, Na‑heparin, Li‑heparin, K2‑EDTA and K3‑EDTA plasma
Specimen Requirements
Red Top
Aliquot Tube
Specimen Collection / Processing Instructions
Red Top - Transfer separated serum or plasma to an aliquot tube
Stability
2 days at 20‑25 °C
7 days at 4‑8 °C
3 months at ‑20 °C (± 5 °C)
Methodology
Homogeneous enzyme immunoassay
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
80164
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Reference Range
50-100 ug/mL
Performing Lab
Incyte Diagnostics
LOINC Code(s)
4086-5