Blood traces in urine. Further tests?

Hi I had annual check up with my doctor. I had blood tests and urine test. I ate beetroot for lunch and dinner the previous day. Next day morning went in fasting and gave the blood work and urine sample. I saw the urine color little red/pinkish as it always be like that for me whenever I eat beetroot. I told the nurse that I ate beetroot and if it's ok to give urine sample. She said it's ok and I gave the sample. I got the report and it says occult traces of blood and rbc 3-10 in blood. I am worried if it's indicating any serious issues. I don't have any pain or irritation while passing urine.. never got that abnormal urine results before. This is the first time. I have other health issues.Diabetic, blood pressure, seronegative RA, inflammation markers high and venous insufficiencies. I have leg swelling and stiffness since January and I saw rheumatologist for that. Still have mild swelling on the lower legs and ankle with pitting. Do I need to ask further tests?Is this dangerous