ALT (SGPT) Normal Range
What does it measure?
ALT (SGPT) measures an enzyme mostly found in the liver; a marker of liver cell damage.
Reference Range
Note: Reference ranges can vary slightly between different laboratories. Always refer to the range printed on your specific lab report.
Critical Values
values above 200 U/L are considered critical and require immediate medical attention.
Interpreting Results
↑High ALT (SGPT)
A high result can suggest liver strain from fatty liver, alcohol, viral hepatitis, or medications.
Frequently Asked Questions
What is a normal ALT (SGPT) level?
A normal ALT (SGPT) level for most adults is 7–56 U/L. This is a general reference range, and your specific laboratory may use slightly different values.
What does high ALT (SGPT) mean?
A high ALT (SGPT) can suggest liver strain from fatty liver, alcohol, viral hepatitis, or medications. Always talk to your doctor about what a high result means in your specific context.
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