Yes it should be done at once, as it could be damaged may ways ad you do not have to drink for that, jaundice can cause it as well.
The complications associated with a liver biopsy are usually minor; most will occur in the first two hours
Liver biopsies are now performed as outpatient procedures in most hospitals.
In this procedure, a tissue sample is removed from the liver and is examined under a microscope in order to learn more about the organ
In cirrhosis, the sample will be fragmented and hard.