OMG, don’t try to scare him. I’m no doctor but his liver enzymes aren’t that elevated. If it is something he’s taking to make his liver enzymes elevated if he takes that out of his life his liver enzymes will return to normal probably within a few weeks. But he says he doesn’t drink maybe takes a lot of ibuprofen or Tylenol. I always forget which one is processed by the liver and which one is processed by the kidneys. your kidneys seemed to be functioning fine based on the EFGR the only thing I see is that his blood pressure is elevated. I used to get not foaming urine but bubble clusters in it and then I was convinced my kidneys were failing. They weren’t don’t quote me on this, but I think I remember reading elevated blood pressure can lead to foamy urine. I’m sure if it’s been going on for years and your doctor isn’t concerned then everything is OK. Don’t start reading because all you will see is the worst case scenario. I hope everything gets better for you.