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 #

Dilantin

Test Code
DIL


Alias/See Also
Phenytoin


CPT Codes
80185

Preferred Specimen
Lithium Heparin Plasma Separator (Light Green) Tube. Collect within 30 minutes prior to next dose. If phenytoin toxicity is suspected, collect four to five hours after previous dose.


Minimum Volume
0.5 mL


Other Acceptable Specimens
Serum Separator (Gold/Yellow) Tube


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 24 hours
Refrigerated: 48 hours
Frozen: 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Icterus, Lipemia


Reference Range
10.0 - 20.0 ug/mL


Performing Laboratory
This test is performed at the following locations:
  1. MercyOne Siouxland Medical Laboratory



Last Updated: October 27, 2023


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.