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ALT (SGPT)

Test Code
ALT


CPT Codes
84460

Preferred Specimen
1 ml serum (0.2 mL minimum)


Instructions
Avoid hemolysis.


Transport Container
Serum seperator serum/Gold top tube.


Transport Temperature
Refrigerate


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


Methodology
UV with out P5P

Reference Range
Male:      < or = 41 U/L
Female: < or = 33 U/L


Clinical Significance
Most commonly used and most prevalent in liver disease assessment. ALT = Alanine Aminotransferase. In comparison AST (aspartate aminotransferase) is present to the same extent in heart, skeletal muscle, and liver. AST and ALT increase rapidly during the




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.