At least 2 of the following: | And at least 2 of the following: |
---|---|
ALP > 2 × ULN (upper limit of normal) or GGT > 5 × ULN | ALT (alanine aminotransferase) > 5 × ULN |
AMA > 1:40 | IgG (Immunoglobulin G) serum levels > 2 × ULN or smooth muscle autoantibody (SMA) + |
Histology: florid bile duct lesion | Histology: moderate or severe interface hepatitis |