Also found in: Dictionary, Thesaurus, Encyclopedia.
sterile pyuriaMedtalk Abundant PMNs in culture-negative urine; SP may occur in urethritis, urogenital TB, anaerobic bacteriuria
The presence of white blood cells in the urine in the absence of bacteria or other infectious agents. It is a sign of kidney inflammation, occurring in disorders like interstitial nephritis.
See also: pyuria