Container: Serum (Gold top)

Sample type: Serum

Test name: Phenytoin a.k.a. Epanutin

Condition / Indication: Therapeutic Drug Monitoring

Special precautions & notes: Albumin adjusted phenytoin reported as a better guide to biologically active phenytoin. Interpret results with caution if albumin less than 20g/L. Trough sample preferred - take immediately before oral dose.

Reference range: Therapeutic Range,Trough sample: 5.0 - 20.0 mg/L (albumin adjusted)

Container: Serum (Gold top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: Hospital patients 4 hours; GP patients 24 hours