Phenytoin

Marker

1 mL serum collected in a red-top tube(no gel)

Drug & Alcohol Testing

2 providers available

Starting at

$99

Up to $139

Save up to $40

Walk-In Lab

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Phenytoin (Dilantin) Blood Test

The Phenytoin Test is used to test for phenytoin, which is useful in generalized tonic-clonic, complex partial, and simple partial seizures and frequently is chosen for initial therapy, particularly in adults.

Updated 7/22/2025

$99

Order Test

DirectLabs

Online

Phenytoin (Dilantin)

To determine phenytoin(dilantin) concentration in the blood

Updated 7/22/2025

$139

Order Test