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Phenytoin
minimum sample volume required ~ 5ml
Test Code: PHY
Tube type: SST
Special instructions
Usual sample time: Trough, immediately prior to next dose. It is advised that, for comparative measurements, the sample time be consistent.
Minimum retesting interval
Test should not be repeated within 1 day
Reference range
5-20
Units
mg/L
Turnaround Time
1
day
Department: Biochemistry
Clinical Application
Therapeutic drug monitoring and suspected toxicity.
