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At a Glance
Why Get Tested?
When to Get Tested?
Periodically to evaluate liver function; whenever you are at risk for liver injury; when you are taking medications that may affect your liver; when you have a liver disease; when you have symptoms associated with liver damage, such as jaundice
A blood sample drawn from a vein in your arm; for infants, blood may be drawn by puncturing the heel with a lancet.
Test Preparation Needed?
You may be instructed to fast overnight with only water permitted. Follow any instructions you are given. Inform the healthcare practitioner about all prescription and over-the-counter medications, herbal medications, vitamins and supplements you are taking.