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

7 days at 15-25˚C
14 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