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)