DILANTIN

Message
CHEMISTRY


Test Code
DIL


Alias/See Also
PHENYTOIN, DPH


Preferred Specimen
SERUM


Minimum Volume
2 MLS


Instructions
COLLECT 1 RED TOP TUBE, RECORD KNOW LAST DOSE OF MEDICATION ON TUBE, (ex. LD 5/3/21@2000) as Well as in CPRS in Comment, CLOT AND SPIN, SEPARATE SERUM INTO PLASTIC TRANSPORT TUBE. SEND TO THE LAB REFRIGERATED


Transport Container
PLASTIC TUBE


Transport Temperature
REFRIGERATED


Specimen Stability
Room temperature: 2 days
Refrigerated (2-8°C): 8 days. Separate if not tested within this time.
Frozen (-20°C or colder): 5 months
Max freeze/thaw cycles: 5


Methodology
EIA

Setup Schedule
DAILY


Report Available
DAILY


Reference Range
10.0 - 20.0 ug/mL


Clinical Significance
Phenytoin is an anticonvulsant hydantoin used for the treatment of generalized tonic-clonic (grand mal) and complex partial seizures. Phenytoin is also used for prophylaxis in neurosurgical procedures. Phenytoin levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.


Performing Laboratory
WHITE RIVER JUNCTION VT VA- CHEMISTRY 802-295-9363 EXT: 5518, 5519



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.