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Laboratory Test Reference Guide

Laboratory Information

Test Name

Gentamicin level

External Price (excl. GST)



Specimen Collection

Specimen Collection and Transport Protocols

The preferred sample is one collected between 8 and 12 hr post dose (random). Trough levels (within 1 hr before the next dose) or peak levels (1 hr post end of infusion) may be collected at times. Samples will be registered as either “post dose (random)” or “pre dose (trough)”. Please state whether the sample is pre or post dose.

Adult Specimen

Heparin (light green), SST(gold),

Paediatric Specimen

0.2ml Heparin (light green) or Plain(red). Plain (red) for samples referred from Rural Hospitals

Test Information



Test Availability

Mon - Sun, 24hrs


Cobas 6000

Unit Of Measurement


Reference Interval

Refer to online Antimicrobial Handbook( Intranet home page/ Clinical guidelines/Antimicrobial Handbook) for further information and guidance regarding dose adjustment.


Reference Interval Attachments

Uncertainty Of Measurement

20% at 1.3 ug/mL and 10% at 6.9 ug/mL

Additional Information

Typical levels observed are from 3 to 10ug/mL if dosing is satisfactory.

Minimum Volume

0.1 mL heparin plasma or serum.

Electronic Information

Registration Code


HL7Mapping Code