Skip to content

Alanine Aminotransferase

Testing Information

Sample Type
Test Codes
CPT Code
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Enzymatic
Reference Range
Female, ≤18 years: 8-22 U/LFemale, >18 years: 8-37 U/LMale, ≤18 years: 9-24 U/LMale, >18 years: 9-47 U/L
Expected Turnaround Time
Results Available 24 hours from Receipt at the laboratory.
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, improperly labeled
Specimen Validity and Retention
Centrifuged SST-Tubes:Room Temperature (20-25°C): 3 daysRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): UnacceptableSpecimens retained for 7 days after testingSerum Aliquots:Room Temperature (20-25°C): 3 daysRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): 7 days Specimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
Alanine Aminotransferase is a commonly assessed analyte for hepatic function and liver disease.