During a liver biopsy, a needle is inserted into the liver and a tissue sample is withdrawn and sent to the laboratory for testing. The test is performed to determine the presence of tuberculosis infection in the liver.
Review Date 11/9/2019
Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.