Ok, so I know that BUN and creatinine are related to kidney function, I know creatinine, Bilirubin and INR give you the MELD score and I know the ALT, AST pertains to the liver function. My question is......what are the most important of those lab numbers that I need to track? His kidneys are doing better, creatinine went down some. But the ALT, AST are going up. I know these lab numbers can fluctuate daily.......I'm just wondering at what point do I get worried that things are getting much worse? If that makes any sense. He was just moved to an LTAC last night so now all new drs and nurses we're dealing with and that's why I keep track of all his labs etc so I know what to ask the Dr's. (yes I DO have control issues)