A low ALT is uncommon. If an ALT result is lower than the normal range, the doctor may reorder the test or order additional testing to determine what is causing it. Although a low ALT is generally not a cause for concern, it can indicate chronic kidney disease or low vitamin B6.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.