A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Phenytoin (Dilantin®), Serum

Message
Day(s) Test Set Up: Monday through Sunday


Test Code
PTN


CPT Codes
80185

Preferred Specimen
1.0 mL serum


Patient Preparation
Optimum time of draw is prior to next dose.

Instructions
Draw blood in a red top no gel tube. Spin down.


Transport Container
Red Top Tube no gel


Transport Temperature
Refrigerated


Methodology

Immuno-rate



Reference Range
Therapeutic concentration: 10.0-20.0 µg/mL
Alarm value: >30.0 µg/mL


Clinical Significance
Useful for the quantitative measurement of phenytoin, an anticonvulsant drug occasionally used as a myocardial antiarrhythmic.



Last Updated: July 13, 2018


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.