ALANINE TRANSAMINASE

Test Code
ALT


CPT Codes
84460

Preferred Specimen
Gold Tube (SERUM)



Minimum Volume
0.5mL (1 mL optimal) serum or plasma


Other Acceptable Specimens
Green Tube (Lithium Heparin)


 


Instructions
Avoid hemolysis; Centrifuge for complete separation of serum/plasma and red cells. 


Transport Container
GOLD Tube


Transport Temperature
Room Temperature


Specimen Stability
8 Hours


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross Hemolysis


Methodology
Spectrophotometry

Setup Schedule
Daily, 24 hours 
STAT: <60 minutes
Routine: <4 hours


Reference Range
Test: ALANINE TRANSAMINASE Male/Female All Ages: Normal Range: 7-52 U/L
 Reference ranges may vary based on performing lab. Use lab reports when interpreting patient results.


Clinical Significance
Alanine Aminotransferase (ALT) measurement is useful in the diagnosis and management of certain liver diseases, e.g., viral hepatitis and cirrhosis. Significant elevations of ALT occur only in diseases of the liver.




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.