Can you have benign microscopic hematuria that isn't caused by bladder cancer, kidney stones, kidney disease etc?

Here are some ... More than 100 reasons can be listed for microhematuria, i.e., >3 RBCs / HPF, and the odd from urinary malignancy is low at around 3 % in thorough work-up with imaging studies and cystoscopy, etc. Although Doc could not specifically give definite DX for all occasions, a proper attention to ?UTI, ?obstruction, ?stones, ?tumors, and ?kidney inflammation of a wide range of causes should well cover...