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Test Code 6975 Alanine Aminotransferase (ALT/SGPT), Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory


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  #6961 Comprehensive Metabolic Panel (CMP) and #6965 Hepatic Function Panel. See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.


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

Reference Values

0-3 years: 5-50 Units/L
Male ≥ 3 years: 7-55 Units/L

Female ≥ 3 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.

Tietz, Burtis CA, Ashwood ER, Bruns DE eds: Textbook of Clinical Chemistry and Molecular Diagnostics 5th ed: Chapter 22, p. 565, Elsevier, St. Louis, MO 2012.

Test Classification and CPT Coding


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

Analyte Stability:

See Analyte Stability Chart in Special Instructions.

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. 

Specimen Transport Temperature


LOINC Code Information

Name LOINC Code
Alanine Aminotransferase 1743-4