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Dilantin Phenytoin Level

Test Code
DILA


Alias/See Also
Phenytoin Level


CPT Codes
80185

Preferred Specimen
Dark green lithium heparin tube


Minimum Volume
fill tube 3.5 mL


Instructions
Collect specimen in a dark green lithium heparin tube and refrigerate.


Specimen Stability
4 days capped at 2-8 oC or 20-25 oC
1-2 months capped at -20 oC


Setup Schedule
Every day


Reference Range
10-20 ug/mL


Performing Laboratory
Marietta Memorial Hospital laboratory Selby General laboratory Belpre Campus laboratory



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.