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HelpTest Code LAB24 Valproic Acid Level
Clinical System Name
Valproic Acid Level
Synonyms
Depakene
Depakote
Sodium Valproate
Valproate
Valproic
LAB24
Sample Requirements
Specimen: Whole Blood
Container(s): Lt. Green/Mint Top Lithium Heparin, Lt. Green/Lithium Heparin Microtainer, Gold SST, Gold Microtainer, Dark Green/Sodium Heparin, Red
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Note: Draw specimen just before next dose.
Processing Instructions
Reject due to: Age of specimen, incorrect collection container
Spin: Y
Aliquot: Y
Storage location: Core 5 Chemistry Refrigerator
Off-site collection: Draw specimen just before next dose. Specimen should be centrifuged within 2 hours of collection. Spin blood and transfer serum or plasma to plastic tube and refrigerate or freeze.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or Plasma | RT |
≤ 1 d |
| Serum or Plasma | 2-8 C |
≤ 14 d |
| Serum or Plasma | -20 C or -70 C |
≤ 14 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y | 24/7 | 1 h |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Core Chemistry
Phone Number: 206-987-2617 (Client Services)
CPT Codes
80164
Methodology
Method: Two Point Rate by Vitros 4600
Analytical Volume: 0.06 mL + 0.03 mL dead space
Reference Range
|
uG/mL |
|
|
Therapeutic |
50 - 100 |
|
Toxic |
>200 |
Critical Results
>200 uG/mL