in the absence of cultures for neisseria gonorrhoeae , chlamydia trachomatis , and possibly ureaplasma urealyticum to detect the presence of urethral infection , a mean of more than four polymorphonuclear leukocytes per field ( x 1,000 ) in a gram-stained urethral specimen indicates the presence of urethritis .
C0041967
urethral
C0041976
urethritis