Doctor I Am Diabetic Since Last 15 Years And I

Doctor I am diabetic since last 15 years and I am taking oral medicines.My diabetes is under control.Recently I got my Serum creatinine and microalbuminuria / ACR done and they were normal. My microalbumin was below 5mg/L, urine creatinine was 42mg/dL and Serum creatinine was 0.96mg/dL.My concern is that I am having too much of Foam in my urine especially in the morning.Sometimes during the day the urine is Frothy, sometimes it is bubbly and sometimes it is totally normal.Kindly adviseVinod Gupta