ALANINE AMINOTRANSFERASE, serum (087-0060)
Synonyms: ALT, SGPT
CPT 4 Code: 84460
Test Order Mnemonic: ALT
Lab: Clinical Chemistry
Request Form: Routine Chemistry Form 1
Collection: Routine venipuncture
Storage Instructions: Centrifuge the specimen to
separate serum from red 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: 9-51 U/L
Test Method: Enzymatic, Multi Point Rate
