Test Code LAB31 Phenytoin
Specimen Requirement
1.0 mL serum or lithium heparin plasma; SSTand PST acceptable.
Avoid prolonged contact with red blood cells.
Specimen Stability
2 days at 20-25° C
1 month at 2-8° C
5 months at -20° C
Testing Schedule
Daily
Reference Range
10 - 20 ug/mL
Testing Department
Chemistry
Method
Enzyme Immunoassay
CPT Code
80185