Aspartate Amino Transferase

Test Code
AST


Alias/See Also
SGOT


CPT Codes
84450

Preferred Specimen
GREEN Lithium Heparin Plasma


Minimum Volume
0.25 mL


Other Acceptable Specimens
SST Serum Separator, Red No Gel


Instructions
Separate from cells within 3 days of collection


Transport Container
GREEN Lithium Heparin


Transport Temperature
Room Temperature


Specimen Stability
Room Temp: 3 Days; Refrigerated: 7 Days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Not separated from cells within 3 days, gross hemolysis


Methodology
Vitros 7600/3400

Reference Range
Female: 14-36 U/L; Male: 17-59 U/L


Clinical Significance
Aspartate aminotransferase is present in high activity in heart, skeletal muscle, and liver. Increased serum AST activity commonly follows myocardial infarction, pulmonary emboli, skeletal muscle trauma, alcoholic cirrhosis, viral hepatitis, and drug-induced hepatitis


Performed By
RFGH Laboratory

Performing Laboratory
RFGH Laboratory



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.