Ulta Lab Tests

Phenytoin Test

The Phenytoin Test evaluates serum concentration of phenytoin to monitor therapy for epilepsy and seizure control. Abnormal results may indicate toxicity, underdosing, or altered drug metabolism. This test provides insight into therapeutic balance, medication effectiveness, and systemic health, helping assess neurological stability and management of seizure-related conditions.

Blood
Blood Draw

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Also known as: Dilantin®, Hydantoin

Phenytoin

Screen for the presence of PHENYTOIN
*Important Information on Lab Test Processing Times: Ulta Lab Tests is committed to informing you about the processing times for your lab tests processed through a national lab. Please note that the estimated processing time for each test, indicated in business days, is based on data from the past 30 days across the 13 laboratories for each test. These estimates are intended to serve as a guide and are not guarantees. Factors such as laboratory workload, weather conditions, holidays, and the need for additional testing or maintenance can influence actual processing times. We aim to offer estimates to help you plan accordingly. Please understand that these times may vary, and processing times are not guaranteed. Thank you for choosing Ulta Lab Tests for your laboratory needs.

The Phenytoin Test test contains 1 test with 1 biomarker .

Phenytoin is an anticonvulsant hydantoin used for the treatment of generalized tonic-clonic (grand mal) and complex partial seizures. Phenytoin is also used for prophylaxis in neurosurgical procedures. Phenytoin levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity

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