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HelpTest Code SOFT: PHENY Phenytoin, Total, Serum
Additional Codes
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EPIC NAME: PHENYTOIN LEVEL EPIC CODE; LAB31 |
Performing Laboratory
Saint Francis Medical Center-Drug Monitoring
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red top-Tubes with gel will be rejected
Specimen Volume: 0.5 mL
Collection Instructions: Draw blood 2 hours after intravenous dose or 15 minutes prior to next oral dose.
Stability: 4 days (R)
Specimen Transport Temperature
Refrigerated 24 hours
Reference Values
Therapeutic concentration: 10-20 µg/mL
Toxic concentration (automatic call-back):
>20.5 µg/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
80185
Methodology
Enzyme Immunoassay (EIA)