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Alanine Aminotransferase (ALT)

Message
This  test may be ordered individually or as part of a Liver Function panel.
Performed in the Chemistry Laboratory x5820
10.2018


Test Code
ALT


Alias/See Also
Glutamate Pyruvate Transaminase (GPT)


CPT Codes
84460

Preferred Specimen
Plasma from a green top (PST) tube


Minimum Volume
1 mL


Transport Container
Green Top (PST) tube


Transport Temperature
Room temperature


Specimen Stability
2 - 8 oC: 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed samples should not be analyzed.


Methodology
NADH (without P-5'-P) Kinetic rate

Setup Schedule
This assay is performed 24 hours per day, 7 days per week


Reference Range
 < 55  IU/L


Clinical Significance
This assay is used in the diagnosis and treatment of certain liver diseases and heart disease.




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.