Valproic Acid, Grand Itasca


Sunquest Code:GHVAL  
Epic Code:LAB7044Epic Name:Valporic Acid GH
Synonyms:Depakene; Depakote; Dipropylacetic Acid
Methodology:Homogenous enzyme immunoassay
CPT Code:80164
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Red (no gel), Red or gold (gel))
Collection Instructions:Trough level is preferred; collect immediately prior to next dose. Collect peak level 30-60 minutes after a single dose of syrup; 2-8 hours after capsules or tablets.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 2 hours of collection 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (Grand Itasca GICH)


Interpretive

Critical Range:Greater than 150.0 ug/dL
Reference Range:50-100 ug/dL
Use:Monitor therapeutic dosing and evaluate toxivity. Half-life is 8-17 h for adults.


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