I had my biopsy done last year it was scored F4 with the activity at A3, I have type 3a hcv, i was on treatment (interferon/ribavirin)for seven weeks but had to stop from the side-effects. The Dr. I see is an internist as well as a the only hepatologist in my city.
You should go see a Kidney Doctor, as kidney disease can sneak up, especially with patients that have Diabetes, and High Blood Pressure.
Kidney damage is irreversible, so you dont want this problem to progress at all.
I saw this yesterday and wondered. I wish I could offer more. You might want to repost in the Cirrhosis of the Liver Forum
http://www.medhelp.org/forums/Cirrhosis-of-the-Liver/show/1390
Meanwhile it would help to know when you had your fibrosis assessed and by what means and what genotype of HCV you have and whether you have treated in the past. It might be time to consider your treatment options if you have not already.