pyuria

2003, Rabih O. Darouiche, Chapter 15: Infection and Spinal Cord Injury, in Vernon W. Lin, Diana D. Cardenas, Frederick Frost, Nancy C. Cutter, Robert Waters, Spinal Cord Medicine: Principles and Practice, page 202, The nonspecificity of the finding of pyuria, like bacteriuria, can also hamper the diagnosis of UTI. Pyuria reflects an inflammation of the uromucosal lining and may signal the transition from bladder colonization to symptomatic UTI. However, pyuria can also be caused bt a variety of noninfectious conditions […] .

2006, Vicki Figen, Chapter 31: Dysuria and Pyuria, in Peter Manu, Raymond E. Suarez, Barbara J. Barnett (editors), Handbook of Medicine in Psychiatry, page 287, Pyuria is the presence of white blood cells (WBCs) in the urine. Pyuria alone does not indicate a urinary tract infection (UTI).