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Test Code ALT Alanine Aminotransferase (ALT) (SGPT), Serum LAB132

Test Method

Kinetic Rate Method; Beckman DXC600

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.

Reference Values

11-54 IU/L
 

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 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.

Useful For

Diagnosis and monitoring of liver disease associated with
hepatic necrosis.

LOINC Code Information

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

CPT Code Information

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