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Phenytoin

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
PHENY ACHM5
Specimen Type:
Blood
Tube Type:
Green top (lithium heparin) tube
Collection Volume:
1.5 mL
Storage:
Shipping- Send Refrigerated; Storage-Refrigerated: 4 days; Frozen: 1 month
Availability:
24 hours/day, 7 days/week
Methodology:
Roche-KIMS
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. Due to the observed cross-reactivity of this assay to fosphenytoin, it is recommended that samples for serum phenytoin measurements be collected at least 2 hours after an intravenous dose of fosphenytoin and at least 4 hours after an intramuscular dose.
Lab/Phone:
330-543-8417
TAT:
1 hour
Additional Info:
Therapeutic range: 10.0-20.0 ug/mL
CPT Code:
80185
Synonyms:
Dilantin; Diphenylhydrantoin
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About Akron Children's

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Akron Children's Hospital
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330-543-1000 • webmaster@akronchildrens.org
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