Viral, genetic, and autoimmune diseases of the liver (tested for by a "liver panel"), their prevalence ... exceeding twice the upper limit of normal. Confirmed by hepatologist.

Two classic signs of liver disease--spider angiomata and palmar erythema--occur routinely in two thirds of women during normal pregnancy. Their presence does not necessarily correlate with liver ...

It isn't part of the normal liver panel that a doctor might do, with your regular physical. So they have to order the Hepatitis-C panel to be tested.