Atrial blood gas analysis (ABG) is used both for diagnosis and evaluating the severity (grade) of hepatopulmonary syndrome.
A variety of laburatory tests might be used for the management and followup of patients with cirrhosis among them are,  serum bilirubin levels, aminotransferase levels, alkaline phosphatase, gamma-glutamyl transpeptidase , prothrombin time/INR, complete blood count (CBC), electrolytes, blood urea nitrogen (BUN) and creatinine.
Hepatopulmonary syndrome laboratory findings
Alcoholic hepatitis laboratory findings
Acute liver failure laboratory findings
Hepatopulmonary syndrome physical examination
Cirrhosis laboratory findings
Hepatic encephalopathy physical examination
Drug induced liver injury laboratory findings
Alcoholic liver disease laboratory findings