What is urine occult blood 20?

2

. Urinary tract infections such

as glomerulonephritis, cystitis, urethritis, etc., stimulated by inflammation, can lead to erosion and bleeding of surrounding mucosa, resulting in urinary occult blood 2 +.

3. Tumors such

as kidney tumors, bladder tumors, urethral tumors, etc., whose surface blood vessels are rich, can rupture with the growth of tumors, easily causing bleeding, resulting in urinary occult blood 2+.