This document discusses diagnostic evaluation of viral hepatitis. It provides an overview of hepatitis, describing it as inflammation of the liver that can be caused by infectious viruses, bacteria, fungi, parasites, or non-infectious factors like alcohol, drugs or metabolic diseases. The major hepatotropic viruses that cause hepatitis - hepatitis A, B, C, D and E viruses - are described. The document also discusses a case study of a patient presenting with symptoms of hepatitis and the appropriate serological tests to order. It provides guidance on interpreting the test results and diagnosing the type of hepatitis.