VALPROIC ACID

Mnemonic

DEPA

Synonym

Depakane® - Depakote - Valproate

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (lithium heparin, PST) top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum and plasma from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated (2-8°C)

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 2 days; Refrigerated (2-8°C): 7 days; Frozen (at or below -20°C): 1 year

Testing Information

Performed

7 days/week

Method

Enzymatic Immunoassay

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Therapeutic Range

50-120 µg/mL

Toxic Levels

>150 µg/mL

CPT Codes

80164

Last Updated: Thursday, January 5, 2017 03:42:33 AM