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HelpTest Code 4010312 Valproic Acid
Specimen Requirements
1.0 mL serum or plasma
Container
PST (light green top) tube or SST (tiger, gold, or red top) tube
Minimum Volume
65 µL serum/plasma
Stability
Separated samples stable 8 hours at room temperature, 2 days at
2-8°C
May be frozen at -20°C for longer storage
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
Method
Turbidic Inhibition Immunoassay
CPT Code
80165
Performing Laboratory
Springfield Hospital Laboratory
Reject Due To
Improperly labeled sample