Valproic acid, free-6359

Test info

  
Valproic acid, free
  
6359
  
80164.2
  
VAF
  
Depakote
Depakene
Valproic acid, unbound

Specimen

  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.5 mL
  

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times to prevent clotting

  

Spin within two (2) hours of sample collection

  

Lt green plasma separator (PST)

  
Serum
  
  

Immediately following collection, thoroughly mix sample by gently inverting 5 times

  
  1. Allow serum sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

Gold serum separator (SST) tube

False bottom plasma/serum transport vial/tube (AHL)

  

Refrigerated (preferred) - 7 days

Ambient - 2 days

Frozen - 3 months

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)

Performance

  
AHL - Chemistry: C
  
Daily
  
1 day
  

Homogeneous enzyme immunoassay

Clinical and Interpretive info

  

6.0 - 20.0 µg/mL

  

>40 µg/mL

If total valproic acid is >150 μg/mL, no call

Billing

  
80165

Tracking

  
11/30/2001
  
12/26/2022
  
01/05/2024