Laboratory Test Reference Guide

Laboratory Information

Test Name

Phenytoin

External Price (excl. GST)

17.5

Specimen Collection

Adult Specimen

Heparin (light green), SST (gold). Plain (red) for samples referred from Rural Hospitals

Paediatric Specimen

0.3 mL Heparin (light green) or Plain (red).

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3hrs

Method

Cobas Pro Online

Unit of measurement

umol/L

Reference interval

Therapeutic Interval: 40 - 80 umol/L

Uncertainty of measurement

10%

Minimum Volume

0.1 mL heparin plasma or serum.

Electronic Information

Registration Code

PHEY

HL7 mapping code

$PHEY

LOINC Code

14877-5