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...