Allina Health Laboratory a part of Abbott Northwestern Hospital

  



  
    

A | B | C | D | E | F | G | H | I | J | K | L | M
N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers

Test Name:Phenytoin, free
Test Number:1993
Collect:2.0 mL serum - SST
Minimum Volume:0.5 mL serum - SST
Alternate Collect:2.0 mL Li heparin plasma - lt green PST
Container:Serum Separator Tube (SST) or
Plasma Separator Tube (PST)
Processing:Spin
Transport/Stability:Refrigerated (preferred) - 7 days
Ambient - 2 days
Frozen - 5 months
Alternate Names:Cerebyx
DPH
Fosphenytoin
PHT
PNF
Unbound Dilantin
80186.0
Performing Lab:AHL - Chemistry; C
Days Set Up:Daily
Expected TAT:1 day
Ref. Ranges:Free: 1.2 - 2.5 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:80186
Date Created:11/30/2001
Revised Date:09/11/2018