Valproic Acid, Free 
Mnemonic VALP F
CPT 80165
Test Code 8001335
Synonyms Depakote
Test Includes  
Specimen Serum
Volume 1.0 mL
Container SST or Red Top Tube
Special Instructions  
Specimen Prep Centrifuge* For Red Top only, transfer serum to Plastic Transport Tube
Storage Refrigerate
Transport Temp Refrigerated
Stability Rm Temp 2 days, capped
Stability Refrig 1 week, capped
Stability Frozen 1 month, capped
Methodology Ultrafiltration/EMIT 2000
Rejection Criteria   
Reference Value 4 - 12 mg/L Critical Value: > or = 27 mg/L 
Performed/TAT Monday - Sunday        
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