ASPARTATE AMINO-TRANSFERASE, serum (087-0059)
Synonyms: AST, SGOT
CPT 4 Code: 84450
Test Order Mnemonic: AST
Lab: Clinical Chemistry
Request Form: Pathology - Chemistry - Blood
Collection: Routine venipuncture
Storage Instructions: Separate serum from cells
within 2 hours of collection. Refrigerate at 2-8°C.
Causes for Rejection: Hemolysis, improperly labelled
specimen, specimen QNS, serum not separated from cells.
Availability: Samples are received 24 hrs per day at
Sample Management, Room 5.136 McCullough.
Turnaround Time: Routine: 4 hours; STAT: 1 hour.
Specimen: Blood
Volume: 7 mL blood
Minimum Volume: 0.5 mL serum
Container: SST (gel barrier) or red-topped tube
Reference Ranges: 13-38 U/L
Test Method:
Enzymatic, Multi Point Rate
