Total and Free Valproic Acid

CPT Code

80165, 80164

Specimen Type

Blood

Container Type

Red-Clot Activator

Stability

2-8°C, 48 hours; -20°C, 7 days

Handling Instructions

Allow to clot for 30 minutes; centrifuge within 2 hours; transfer to pour off tube

Clinical Notes

Total Valproic Acid, Free Valproic Acid and % Free Valproic Acid are included

Performing Lab

Principle Laboratory - Houston
16840 Buccaneer Ln
Suite 281
Houston, TX 77058


Principle Laboratory - Irving 6210 N Belt Line Rd #170 Irving, TX 75063