My son has blood coming out of his penis, did urine test , they didnt found any infection. but still has blood spot for the past 6 days?

Here are some ...: Bloody spotting out of the urethra in a 2-yr body needs a professional evaluation to confirm the functional and anatomical integrity of urinary tract including no stone, tumor, stricture, etc., especially in the lower urinary tract - bladder and urethra. So, seek pro-evaluation by urologist timely. So, bring the info on the onset, degree, duration, evolution, progress, etc. of all Sx to Doc for...