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Phenytoin

Laboratory : Chemistry

Test ID/Workstation :
PHENY MACH1
Specimen Type:
Blood
Tube Type:
Green top (lithium heparin) tube
Collection Volume:
0.5 mL
Storage:
Frozen
Availability:
Daily, 24 hours; STAT
Methodology:
Fluorescence Polarization
Special Instructions:
For therapeutic monitoring, draw peak levels 2-4 hours post-IV infusion (loading dose) or 3-9 hours post-oral ingestion and trough levels immediately prior to next dose. Please indicate whether the specimen is a peak, trough, or random specimen.
Lab/Phone:
330-746-9623
TAT:
1 hour
Additional Info:
Therapeutic range: 10.0-20.2 ug/mL
CPT Code:
80185
Synonyms:
Dilantin; Diphenylhydrantoin