Liver Function
ALT (Alanine Aminotransferase)
ALT is an enzyme that helps break down proteins into energy for your liver cells. When your liver is damaged, it releases ALT into your bloodstream.
🩺
Medically Reviewed by ILoveHealthcare Advisory Board
Information verified for medical accuracy
Why is it tested?
Doctors test ALT to check for liver diseases, monitor medications that might affect the liver, or investigate symptoms like jaundice.
What does a HIGH level mean?
- Fatty liver disease
- Hepatitis (viral or autoimmune)
- Alcohol-related liver damage
- Certain medications
What does a LOW level mean?
- Usually not a cause for concern.
- Can be related to a vitamin B6 deficiency.
Normal Reference Range
7 to 55 U/L
*Ranges may vary slightly depending on the specific laboratory and testing methods used.
Related Biomarkers
Stop Guessing
Is your ALT (Alanine Aminotransferase) level dangerous? Let AI explain it instantly.
Medical reports are confusing. Take a photo of your lab test, and ILoveHealthcare will analyze all your biomarkers together, giving you a personalized, easy-to-understand summary.