Valproic Acid
| Order Code: | VALP |
| Order Form: | Laboratory Requisition |
Specimen:
Plasma
Collection Medium:
 |
| Plasma Separator Tube |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood in light green top tube or ONE microtainer.
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
1 hour (upon receipt in laboratory)
Reference Range:
50-100 mcg/mL
Critical value: >150 mcg/mL
Test
Limitations:
Criterion: recovery plus or minus 10% of initial value at
concentrations of 50 mcg/mL and 100 mcg/mL.
Icterus: No significant interference from bilirubin up to an I index of
30 (approximate bilirubin concentration: 30 mg/dL).
Hemolysis: No significant interference from hemoglobin up to an H index
of 500 (approximate hemoglobin concentration: 500 mg/dL).
Lipemia (Intralipid): No significant interference up to an L index of
500 (approximate triglycerides concentration: 1000 mg/dL). There is
poor correlation between turbidity and triglycerides concentration.
No significant interference from total protein of 2-12 g/dL.
Methodology:
EIA (Enzymatic ImmunoAssay)
Sample
Processing:
Centrifuge at 3000 RPM for 10 minutes.
Aliquot plasma into labeled container and cap.
Aliquot plasma into labeled container and cap.
Sample
Storage:
Room temperature or refrigerate if stored overnight, weekends or holidays.
Transport
Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Ship ambient or refrigerate.
Place requisition into outside pocket of bag.
Ship ambient or refrigerate.
CPT Code:
80164
See Additional Information:
Chemistry Critical Lab Values
Chemistry Critical Lab Values