If it continues to decrease, you need to talk to dr about what the underlying cause might be...
Kidney Foundation stages that at Stage 2
kidney disease, but that sounds a lot scarier than it is. I freaked out when I read about my own score of 80 GFR...but I have come to know that I have to monitor the level, they can fluctuate, dehydration is a factor, as well as other sickness etc. Do you have any other health conditions or diagnoses?