Test Code 138 Alanine Aminotransferase (ALT) (SGPT), Serum
Additional Codes
ALAB: ALT
PowerChart: ALT/SGPT
MA Cerner: ALT
Test Method
MercyOne: Kinetic Rate Method; Beckman DxC700 AU
Medical Associates: Enzyme Rate Technique; 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. 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.
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 Laboratory:
11-54 IU/L
Medical Associates:
Males: 0-41 U/L
Females: 0-33 U/L
CPT Code Information
84460 Chemistry: Transferase alanine amino (ALT) (SGPT)
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