Inflammatory infiltrate in most portal tracts | |
None/virtually absent | 0 |
Mild | 1 |
Moderate | 3 |
Severe | 4 |
Destruction of limiting plate by inflammatory infiltrate (piecemeal necrosis) | |
None | 0 |
Mild | 1 |
Moderate, < 50% of circumference of most portal tracts | 3 |
Pronounced, > 50% of circumference of most portal tracts | 4 |
Moderate, + bridging necrosis | 5 |
Pronounced, + bridging necrosis | 6 |
Multilobular necrosis | 10 |
Intralobular degeneration (Councilman bodies, ballooning, focal necrosis) | |
None | 0 |
Mild (present in < ⅓ of lobules/nodules) | 1 |
Moderate (present in ⅓–⅔ of lobules/nodules) | 3 |
Pronounced (present in > ⅔ of lobules/nodules) | 4 |