2 mL (1 mL min.) Serum from 1 Red Top (No Additive) tube. Do not use SST gel barrier tubes. Ship refrigerated or frozen. Ideal sampling time: Trough level, just prior to next dose. Duly filled Test Send Out Consent Form (Form 35) is mandatory.
Immunoassay
Sample by 7th of the month; Report after 2–3 weeks
Ethosuximide is used in the treatment of Petit mal seizures. The assay is useful for monitoring therapy, determining compliance and assessing toxicity.
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Ideal sampling time: Trough level, just prior to next dose. Duly filled Test Send Out Consent Form (Form 35) is mandatory.