Aspartate Aminotransferase

Alternative Names/Synonyms	Aspartate Transaminase, AST, Serum Glutamic Oxaloacetic Transaminase, SGOT
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	AST, ASTP

Clinical Significance (If applicable)

Assisting in diagnosing and monitoring hepatic disease.

Specimen Requirements (Sample Type)

Serum, Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Serum (Gold SST)
Plasma (Light Green PST)
Collection Containers – Tube Types

Collection Requirements

Collection Instructions

Sample Stability

Freezer: N/A

Room Temperature: 24 hours

Fridge: 7 days @ 2-8°C

Cause for Rejection

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

13 - 37 U/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