Table 1.
Blood test investigations for patient with marked liver dysfunction
| Liver autoimmune screen | Anti-Smith | Negative |
| ANA ELISA | Negative | |
| Antimitochondrial | Negative | |
| IgG | 28.2 (7–16) | |
| IgA | 5.09 (0.7–4.0) | |
| IgM | 2.82 (0.4–2.3) | |
| Anaemia investigation | Antigastric parietal cell | Negative |
| Iron | ||
| Transferrin | 3.3 | |
| Transferrin saturation | 15% | |
| Direct antiglobulin test | 3+ | |
| Blood film | leukoerythroblastic features and spherocytes | |
| Viral Screen | Hepatitis A IgM | Negative |
| Hepatitis B sAg | Negative | |
| Hepatitis C | Negative | |
| HIV (1+2) | Negative | |
| CMV IgM | Negative | |
| Infectious mononucleosis screen | Negative | |
| EBNA IgG | Positive (demonstrating previous, not recent, EBV infection) | |
| Other | Malaria screen | Blood film×3 negative |
| α-1 antitrypsin | Normal |
ANA, antinuclear antibody; CMV, cytomegalovirus; EBNA, Epstein-Barr nuclear antigen.