Laboratory Services

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

Minimum Sample Volume

1 mL

Pediatric Min. Volume (if applicable)

500 uL

Additional Processing Details

Centrifuge and aliquot serum within 2 hours of collection

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

Reference Range

50-100 ug/mL

Performing Lab

Incyte Diagnostics

LOINC Code(s)

4086-5