Does gallbladder sludge show up on ultrasound? Yes it does. Gallbladder sludge shows clearly on an abdominal ultrasound scan. You Might Also Like Can you see cirrhosis on an ultrasound? 25/01/2022 Where can i get an ultrasound in London without doctors referral? 25/01/2022 Is Fasting required for an abdominal ultrasound? 25/01/2022