Aspartate Aminotransferase

Test Code
AST


Alias/See Also
SGOT


CPT Codes
84450

Preferred Specimen
1.0 mL plasma collected in a PST (LiHeparin tube)


Minimum Volume
0.5 mL


Other Acceptable Specimens
Plasma- EDTA (Lavender)
Serum- SST, Red Top or Tiger Top


Specimen Stability
Room Temperature: 4 days at 20-25°C
Refrigerated: 7 days at 4-8°C
Frozen: 3 months at -20°C 



Last Updated: October 24, 2024


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.