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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes High ALT Level?

Hello, My ALT was 38 on my last test and was flagged as being high. Was told normal was 0-31, but on previous tests, at a different lab, that still would have been in the normal range. I don t understand why the normal range changes from lab to lab. Should I be concerned with a 38 ALT?
Thu, 15 Sep 2016
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General & Family Physician,  's  Response
Hello dear
I understand your concern
Reference range for all the lab is different depend on the methodology.
According to NABL standard laboratory Normal reference range of ALT is 21-72 IU/L. (UV with P5P method)
So I think it does not indicate any disease/problem.
It is significant when the rise is 5-6 fold and along with increase in bilirubin, ALP ans AST. In this condition it indicates hepatitis and liver damage.
Do not worry ALT value 38 not to be concerned.
Avoid stress, take healthy diet and do regular exercise.
Hope this may help you

Contact HCM for further health query
Best regards
Dr. Sagar
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What Causes High ALT Level?

Hello dear I understand your concern Reference range for all the lab is different depend on the methodology. According to NABL standard laboratory Normal reference range of ALT is 21-72 IU/L. (UV with P5P method) So I think it does not indicate any disease/problem. It is significant when the rise is 5-6 fold and along with increase in bilirubin, ALP ans AST. In this condition it indicates hepatitis and liver damage. Do not worry ALT value 38 not to be concerned. Avoid stress, take healthy diet and do regular exercise. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar