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HelpTest 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
Additional Testing Locations
This test is also performed daily at the following Altru Clinic:
- Devils Lake
Please contact appropriate lab location for specific test information, as methodology varies by site.
Outpatient Turnaround Time
24 hours after receipt
Inpatient STAT Turnaround Time
45 minutes after receipt
Inpatient Routine Turnaround Time
4 hours after receipt