Major etiologies of hematuria and details of available tests were discussed in Chapter 12. The problem of hematuria is somewhat different from that of proteinuria. About 4% (range, 1.2%-9%) of asymptomatic men under age 40 have microhematuria of two or more RBCs per high-power field compared with about 15% (range, 13%-19%) of clinically healthy men […]