Phenytoin

This test measures the concentration of phenytoin, an anticonvulsant medication, in the blood. It is used to monitor therapeutic levels and prevent toxicity in patients with epilepsy.

Also known asphenytoinphenytoin leveldilantin levelanti-epileptic drug level test
Available viaHome Collection, Lab Visit
GenderMale & Female
Contains1 parameters
Earliest reports inSame Day
PreparationNo preparation needed

Overview of Phenytoin

What is the Phenytoin Serum test used for?

This test measures the level of phenytoin in the blood, a medication used to control seizures in epilepsy. It helps ensure therapeutic levels are maintained.


Why is monitoring phenytoin levels important?

Phenytoin has a narrow therapeutic range. Too little may cause seizures, while too much can lead to toxicity with symptoms like dizziness, confusion, and tremors.


How is the test performed?

It's a blood test usually taken before the next scheduled dose (trough level) to get accurate readings.


When should I get this test done?

It's done regularly during treatment, especially when starting, adjusting doses, or if side effects or seizure control issues arise.


What affects phenytoin levels?

Factors include liver function, interactions with other drugs, age, nutritional status, and adherence to prescribed doses.

Test included

Phenytoin includes 1 parameter

  • Phenytoin

Test code

4103

CPT and Loinc codes

Department

  • Bio Chemistry

Turn around time

Same Day

Test run frequency

Every Day TIME - 11:00 , 19:00

Performing locations

1 labs across India

Specimen vol. and vacutainer information

SpecimenVacutainerVolume
SerumYellow Vacutainer.5 ML

Specimen stability information

Serum

Collection instructions

Provide history of the drug dose taken, time of sample collection, Age, gender, medication & clinical details . Lipemic & hameolysed sample should be avoided.

Phenytoin

750

Health Checkup Category

Complete Care Packages

Phenytoin Test in Other Cities

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