Lactate

Alternative Names/Synonyms	L-Lactate, Lactic Acid
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	LACPL

Clinical Significance (If applicable)

Diagnosing and monitoring lactic acidosis. This test does not detect acidosis arising from D-lactate.

Specimen Requirements (Sample Type)

Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Plasma (Grey Tube only) Collection Containers – Tube Types

Collection Requirements

Samples must be collected in a grey top plasma tube.
Collection Instructions

Sample Stability

Fridge: N/A

Room Temperature: 7 days

Freezer: 2 weeks @ -20°C

Cause for Rejection

Samples collected in non-grey top tubes will be rejected.
Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas c 702, enzymatic

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

0.5 - 2.0 mmol/L
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688