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Phenytoin (Dilantin®), Serum

Test Code
DIL


CPT Codes
80185

Preferred Specimen
1.0 mL serum


Transport Container
Gold top tube/Serum Separator Tube.


Transport Temperature
Room temperature or refrigerate.


Methodology
Latex microparticle agglutination

Reference Range
10.0-20.0 µg/mL


Clinical Significance
Phenytoin is used as an anticonvulsant for the treament in patients with grand mal epilepsy, cortical focal seizures, and temporal lobe epilepsy.  Phenytoin levela are monitored to assure adequate therapeutic levels are achieved to avoid toxicity.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.