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Test Code LAB132 Alanine Aminotransferase (ALT/SGPT), Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Enzymatic (Activated)

Literature Reference:

Package insert: ALT (GPT) with P-5-P ALTPM. Roche Corporation, 6/2014.

Specimen Requirements

Note: This test is also available as part of  LAB17 Comprehensive Metabolic Panel (CMP) and LAB20 Hepatic Function Panel. 

 

Specimen Type: Plasma

Container/Tube: Mint-green top (lithium heparin)

Specimen Volume: Full tube

 

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: 1 hour after receipt in laboratory 
Routine: 2 to 4 hours after receipt in laboratory

Test Classification and CPT Coding

84460

Reference Values

0-3 years: 5-50 Units/L

> 3-16 years: 10-40 Units/L

Male > 16 years: 7-55 Units/L

Female >16 years: 7-45 Units/L

Literature Reference:

International Federation of Clinical Chemistry, "Provisional recommendations on IFCC Methods for the Measurements of Catalytic Concentrations on Enzymes, Method for Alanine Aminotransferase," Clinical Chemistry 23: (5) p. 887, 1977.

Rifai N, Horvath AR, Wittwer AT eds: Textbook of Clinical Chemistry and Molecular Diagnostics 6th ed: Chapter 29 p. 404, Elsevier, St. Louis, MO 2018.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only
Alternate Tube:

1 dark green-top (lithium heparin) tube

1 red-top tube

1 lavender-top (EDTA) tube

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days. 

Test performed in South County Siteman  and Ambulatory Cancer Building Lab.  Centrifuge sample and deliver to the Cobas.  Completed specimens are stored refrigerated for 5 days. 

Special Instructions

See Analyte Stability Chart under General Information for a complete list.

LOINC Code Information

Name LOINC Code
Alanine Aminotransferase 1743-4