Yale New Haven Hospital

Department of Laboratory Medicine
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Phenytoin level, total

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB31

 

Synonyms: 

Dilantin Diphenylhydantoin

Methodology: 

Immunoassay

Schedule: 

On request

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: 2.0 mL Primary Light Green Top
Pediatric volume: 0.15 mL.
Collection time required
Transport: Deliver to lab within 4 hours of collection..

 

Reference Interval: 

Therapeautic range: 10 - 20 ug/mL

CPT Code(s): 

80185

Last Changed: 

7/2/2018 3:38 PM

Last Reviewed: 

8/23/2017 12:03 PM