Test Code
1049
Test Description
Monitors phenytoin levels in the blood.
Abbreviation
PHENY
Minimum Volume
1mL
Transport Container
Red-top serum
Transport Temperature
Refrigerated
Collection Instructions
Allow tube to clot and spin to separate cells within 45 minutes. Aliquot serum to transport tube and cap.
Specimen Stability
Refrigerated: 30 days; Frozen: 90 days
Rejection Criteria
Incorrect tube type
CPT
80185