Yale New Haven Hospital

Department of Laboratory Medicine
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Phenytoin level, free

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB32

 

Methodology: 

Immunoassay

Schedule: 

On Request

Reported: 

4 Hours Routine; 1 Hour for stats

Specimen Requirements: 

Collection: 2.0 ml Primary -Dark Green Li Heparin

NO GEL BARRIER TUBES
Pediatric volume: 0.5 ml.
Collection time required

 

Reference Interval: 

Age Limit

Sex

Normal Range

Units

0 - 999 Years

Any

1.0-2.0

ug/mL

 

CPT Code(s): 

80186

Last Changed: 

8/18/2017 12:57 PM

Last Reviewed: 

8/18/2017 12:57 PM