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Valproic Acid
Test CodeLVALP
Alias/See Also
"Depakote/ Depakene
"
"
CPT Codes
80164
Preferred Specimen
2.0 ml of whole blood (1.0 mL of serum or plasma)
Minimum Volume
1.0 mL of whole blood (0.5 mL of serum or plasma)
Instructions
Valproic Acid samples should be monitored at a consistent time of day. Concentrations are affected by circadian rhythm.
Transport Container
No Additive Red Top, Serum separator (gold top) or lithium heparin (green or mint top)
Transport Temperature
Room Temperature
Specimen Stability
Room Temperature: 24 hours
Refrigerated: 14 days
Frozen: 14 days at -20 C
Refrigerated: 14 days
Frozen: 14 days at -20 C
Methodology
Two Point Rate
Setup Schedule
Daily
Report Available
Inpatient turn around time: Stat 30 minutes, routine three hours. Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.
