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Test Code 138 Alanine Aminotransferase (ALT) (SGPT), Serum

Additional Codes


PowerChart: ALT/SGPT

MA Cerner: ALT

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. Specimens not tested within 48 hours must be frozen at -15 to -20 C. Hemolyzed specimens are not acceptable. Samples with ≥3+ lipemia must be cleared prior to analysis.

Useful For

Diagnosis and monitoring of liver disease associated with hepatic necrosis.


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.

CPT Code Information

84460 Chemistry: Transferase alanine amino (ALT) (SGPT)

LOINC Code Information

1742-6 Alanine Aminotransferase [Enzymatic Activity/Volume] In Serum or Plasma

Test Method

MercyOne: Kinetic Rate Method; Beckman DXC880i

Medical Associates: Enzyme Rate Technique; Roche Cobas 6000

Reference Values

MercyOne Laboratory:
11-54 IU/L


Medical Associates:
Males: 0-41 U/L
Females: 0-33 U/L