Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: September 26, 2023 @ 9:13 am
2111	Valproic Acid
Specimen:	Collect:	One Red Top Also Acceptable: One Blue Top (Na Citrate) One Gray Top One Green Top (Li Heparin) One Green Top (Na Heparin) Four Lavender (EDTA) One Pink Top (EDTA) One SST
	Submit:	1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube. Also Acceptable: 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
	Special Handling:	Allow specimen to clot completely at room temperature Avoid Repeated Freeze/Thaw Cycles Separate from cells ASAP State Patient's Last Dose For trough level specimens should be collected just before next scheduled dose. Peak is 1-3 hours after oral dose. SST ONLY STABLE UP TO 24 HOURS. State patient's last dose in hours.
	Stability:	Ambient: 2 Hour(s); Refrigerated: 2 Day(s); Frozen: 12 Month(s); Incubated: Unacceptable
Methodology:	Immunoassay
Performed:	Mon-Fri
Reported:	1-3 Day(s)
CPT Codes:	80164
Interpretive Data:	Please see report for interpretive data. Valproic acid serum concentrations of 50 - 100 µg/mL effectively control generalized and partial seizures in most patients. Seizure control may improve at levels greater than 100 µg/mL, but toxicity may occur at levels of 100 - 150 µg/mL.
Components:	2711 - VALPROIC ACID 2911 - LAST DOSE

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