What Does Creatinine 0.8 And GFR 69 Indicate?

I m 42 female slightly overwheight My creatinine is 0.8 my gfr is 69 however a year ago, the gfr was 79 and four years before that was 89. I have been able to view my test records online. My doctor hasn t acknowledged this with me. Should I be worked. I have two family members on dialysis right now.