Allina Health Laboratory a part of Abbott Northwestern Hospital

  



  
    

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Test Name:Phenytoin
Test Number:91
Collect:1.0 mL Li heparin plasma - lt green PST
Minimum Volume:0.2 mL Li heparin plasma - lt green PST
Alternate Collect:1.0 mL serum - SST
Container:Plasma separator (PST) or
Serum separator (SST) tube
Processing:Spin
Transport/Stability:Refrigerated (preferred) - 7 days
Ambient - 2 days
Frozen - 5 months
Alternate Names:Cerebyx
Dilantin
DPH
PHT
Fosphenytoin
PTN
80185.0
Performing Lab:AHL - Chemistry; C
Days Set Up:Daily
Expected TAT:1 day
Ref. Ranges:Total: 10.0 - 20.0 µg/mL
Collection/
Processing Details:
Fosphenytoin is ProDrug of Phenytoin and is measured as Phenytoin.

Specimen should be collected:
Peak (regular release): 1-3 hours post dose
Peak (slow release): 4-12 hours post dose
Trough: immediately prior to next dose
Method:Chemiluminescent Micro-particle Immunoassay (CMIA)
CPT Codes:80185
Date Created:11/30/2001
Revised Date:09/11/2018