@lynjoy2, Welcome to Mayo Connect. I remember being referred to a specialist when I was beginning my liver journey. And I remember how impressed I was with the amount of knowledge he had about the liver! I also entered the appointment with a list of questions for him, and want to suggest that you begin to write down every question that pops into your head, or anything that concerns you. Don't worry about the length - you can edit it on the 26th.
As a patient, you don't have to know anything - just be prepared to listen and learn. Take someone with you, if possible, as an extra set of ears. You will likely be nervous and that makes it hare to really concentrate or remember. The doctor might want labs drawn in advance of the visit, or want updates to your medical history and medications. But he will let you know in advance.

I received a liver and kidney transplant 16 years ago due to a progressive liver disease. The most important thing that I learned is that any question that I had was always a good one to ask my doctor. So to begin this conversation with you, let me ask you a question to help get your list started: What is your biggest fear or concern related to your liver right now?