Investigation
Investigative tests can be divided into:
1 Blood tests
(a) Liver ‘function’ tests
(i) Serum albumin
(ii) Prothrombin time
(b) Liver biochemistry
(i) Reflecting hepatocellular damage-serum aspartate and alanine aminotransferases
(ii) Reflecting cholestasis-serum alkaline phosphatase, y-glutamyl transpeptidase
(c) Viral markers
(d) Additional blood investigations, e.g. autoantibodies
2 Imaging technique