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Aspartate Aminotransferase (AST)
Test CodeLAB131
CPT Codes
84450
Preferred Specimen
1 mL serum collected in a serum separator tube (SST®)
Minimum Volume
1 mL Serum
Other Acceptable Specimens
Lithium heparin (green-top)
Instructions
Allow complete clot formation. Spin sample within 2 hours of collection
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: 3 days
Refrigerated: 7 days
Frozen: 1 month
Refrigerated: 7 days
Frozen: 1 month