Laboratory diagnosis of urinary tract infection

Male cystoscopy Cystoscopy allows a health care provider to view the lower urinary tract to look for problems in the urethra and bladder. Surgical tools can be passed through the cystoscope to treat certain urinary tract conditions. Tests and procedures used to diagnose urinary tract infections include: • Analyzing a urine sample. Your health care provider may ask for a urine sample. The urine will be looked at in a lab to check for white blood cells, red blood cells or bacteria. You may be told to first wipe your genital area with an antiseptic pad and to collect the urine midstream. The process helps prevent the sample from being contaminated. • Growing urinary tract bacteria in a lab. Lab analysis of the urine is sometimes followed by a urine culture. This test tells your provider what bacteria are causing the infection. It can let your provider know which medications will be most effective. • Creating images of the urinary tract. Recurrent UTIs may be caused by a structural problem in the urinary tract. Your health care provider may order an ultrasound, a CT scan or MRI to look for this issue. A contrast dye may be used to highlight structures in your urinary tract. • Using a scope to see inside the bladder. If you have recurrent UTIs, your health care provider may perform a cystoscopy. The test involves using a long, thin tube with a lens, called a cystoscope, to see inside the urethra and bladder. The cystoscope is inserted in the urethra and passed through to the bl...

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A Guide to Utilization of the Microbiology Laboratory for Diagnosis of Infectious Diseases: 2018 Update by the Infectious Diseases Society of America and the American Society for Microbiology Published CID, 6/28/2018 Clinical Infectious Diseases,Volume 67, Issue 6, 31 August 2018, Pages e1–e94, Published: 28 June 2018 J Michael Miller, Matthew J Binnicker, Sheldon Campbell, Karen C Carroll, Kimberle C Chapin, Peter H Gilligan, Mark D Gonzalez, Robert C Jerris, Sue C Kehl, Robin Patel, Bobbi S Pritt, Sandra S Richter, Barbara Robinson-Dunn, Joseph D Schwartzman, James W Snyder, Sam Telford, III, Elitza S Theel, Richard B Thomson, Jr, Melvin P Weinstein, Joseph D Yao For full document, including tables and references, please visit the PDF Abstract The critical nature of the microbiology laboratory in infectious disease diagnosis calls for a close, positive working relationship between the physician/advanced practice provider and the microbiologists who provide enormous value to the healthcare team. This document, developed by experts in laboratory and adult and pediatric clinical medicine, provides information on which tests are valuable and in which contexts, and on tests that add little or no value for diagnostic decisions. This document presents a system-based approach rather than specimen-based approach, and includes bloodstream and cardiovascular system infections, central nervous system infections, ocular infections, soft tissue infections of the head and neck, upper a...