Liver function. Your blood is checked for excess bilirubin and certain enzymes that may indicate liver damage.
Kidney function. Your blood is checked for creatinine.
Tests for hepatitis B and C. Your blood is checked for the hepatitis viruses.
Clotting. Your international normalized ratio (INR) is checked for your blood's ability to clot.
Imaging and other tests:
Magnetic resonance elastography (MRE). This noninvasive advanced imaging testdetects hardening or stiffening of the liver.
Other imaging tests. MRI, CT and ultrasound can image the liver.
Biopsy. A tissue sample (biopsy) is not necessarily needed for diagnosis. However, your doctor may use it to identify the severity, extent and cause of liver damage.