Clean catch specimen

Clean catch specimen

A urine specimen that is collected from the middle of the urine stream after the first part of the flow has been voided.
Mentioned in: Urinalysis
References in periodicals archive ?
Patients providing a midstream clean catch specimen were given verbal instructions on how to obtain the urine sample.
The high rate of contamination suggests that patients with prolapse are unable to give clean catch specimens. Undiagnosed preoperative urinary tract infection is a risk factor for postoperative urinary tract infection; therefore, it is imperative to accurately diagnosis and treat bacteriuria prior to surgical procedures (Fok et al., 2013).
Even though there are concerns about clean catch specimens in patients with pelvic organ prolapse, the midstream clean catch technique is currently the preferred method of urine collection for urinalysis and urine culture in the outpatient setting, with several studies confirming this finding (Walter & Knopp, 1989).