Test Directory

Aspartate Aminotransferase (SGOT)

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Updated Test Information:

Test Description
Aspartate Aminotransferase (SGOT)
Synonym(s)
AST, SGOT, Serum Glutamic Oxaloacetic Transaminase
Test ID
AST
General Information
A wide range of disease entities alters AST (SGOT), with origin from many organs. When an increased AST is from the liver, it is more likely to relate to disease of the hepatocyte. Other enzymes, including alkaline phosphatase and GT, are more sensitive indicators of biliary obstruction.
Specimen Type
Serum
Alternate Specimen Type
Red, Li-heparin plasma, K2EDTA
Specimen Requirements
SST
Specimen Collection / Processing Instructions
SST - Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Additional Processing Details
Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Stability
4 days at 15-25˚C
7 days at 2-8˚C
3 months at -20˚C
Methodology
Enzymatic
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
84450
Minimum Sample Volume
1mL
Pediatric Min. Volume (if applicable)
500 uL
Reference Range
Males: 0- 40 U/L
Females: 0- 32 U/L
Performing Lab
Incyte Diagnostics
LOINC Code(s)
1920-8