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Test Code 112 Aspartate Aminotransferase (AST/SGOT), S

Additional Codes

ALAB: AST

PowerChart: AST/SGOT

MA Cerner: AST

Test Method

MercyOne: Enzymatic Rate Method; Beckman DxC700AU

Medical Associates: Enzymatic Rate Method; Roche Cobas 6000

Specimen Requirement

0.5 mL plasma or serum is required.

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top tube. PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable. Samples with >3+ lipemia must be cleared prior to analysis.

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours; Mercy DV within 24 hours

Expedite orders: Typically completed within 1 hour after the specimen arrives at the testing site.

STAT orders: Typically completed within 30 minutes after the specimen arrives at the testing site.

Reference Values

MercyOne: 11-41 IU/L

 

Medical Associates:
Males: 0-50 U/L
Females: 0-35 U/L

CPT Code Information

84450 Chemistry: Transferase aspartate amino (AST) (SGOT)

Useful For

Diagnosing and monitoring liver disease, particularly diseases resulting in a destruction of hepatocytes.

LOINC Code Information

1920-8 Aspartate Aminotransferase [Enzymatic Activity/Volume] In Serum Or Plasma