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ALT

Test Code
LAB132


Alias/See Also
Alanine aminotransferase, SGPT, GPT


CPT Codes
84460

Preferred Specimen
Lithium Heparin (PST)


Minimum Volume
200uL minimum plasma


Other Acceptable Specimens
Gold SST


Transport Temperature
Room temp


Specimen Stability
Serum stable for 3 days refrigerated; 3 days frozen. Plasma stable for 7 days at room temp or refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: 30mg/dL bilirubin; Lipemia: 300mg/dL


Methodology
Kinetic rate method

Reference Range
7.0-52.0 U/L


Clinical Significance
Alanine aminotransferase (ALT) measurements are useful in the diagnosis and treatment of certain liver diseases
(e.g., viral hepatitis and cirrhosis) and heart disease


Performing Laboratory
Piedmont Athens Regional



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.