Test Code LAB32 Phenytoin Free Level
Synonym
- FPTN
- Dilantin, Free
Specimen Required
Preferred Container/Tube: Red Top
Acceptable Container/Tube: Red Top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Specimen Collection Information
Draw as scheduled.
Specimen Stability Information
Refrigerated: 2 days
Frozen: 7 days
Rejected Due To
- Quantity not sufficient
Reference Values
Therapeutic Range: 0.6-2.4 mcg/mL
Method Description
Chemiluminescent microparticle immunoassay
Test Classification
This immunoassay test was developed and its performance characteristics determined by the Toxicology Laboratory at The Ohio State University Wexner Medical Center. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high complexity testing. This test is used for clinical purposes and should not be regarded as investigational or for research.
Performing Lab
Clinical Lab UH
Day(s) Performed
Monday through Sunday
Report Available
1 to 2 days
Reporting Name
Phenytoin, Free
CPT Code Information
80186
LOINC Code Information
3969-3