Test Directory

Phenytoin

Loinc

Expected Turnaround

24 hours

Information

Phenytoin (diphenylhydantoin) has been used extensively for seizure control in patients having both grand mal epilepsy (major motor), cortical focal seizures, and temporal lobe epilepsy.1 Serum level monitoring of the drug is essential in order to achieve maximal seizure control while maintaining minimal blood levels.

Collection Information

Methodology

Kinetic Interaction of Microparticles in a Solution (KIMS)

Limitations

Rejection Criteria

Specimen Stability

Refrigerated- 4 days Frozen: 2 months

Alias

Phenytoin; Dilantin; Diphenylhydantoin; PhenytekÂ®

Container Type

Red top, Serum

Minimum Volume

1 ML

Age Range

0 - 999

Sex

Generic

Units of Measure

Reference Range

10 - 20

Panic Range

>30