 The latest blood work that I have is from 06/11/2008 and shows a serum creatinine of 3.8, which represents a GFR of 22 and a potassium of 5.9. 
The latest blood work that I have is from 06/11/2008 and shows a serum creatinine of 3.8 , which represents a GFR of 22 and a potassium of 5.9 .