midstream catch urine specimen

midstream catch urine specimen

Etymology: AS, midd + stream + L, captere, to capture
a urine specimen collected during the middle of a flow of urine, after the urinary opening has been carefully cleaned. Also called clean-catch specimen.

mid·stream catch ur·ine spe·ci·men

(mid-strēm katch yūr'in spes'i-mĕn)
Procedure done after some urine has been voided into toilet but before bladder is fully emptied; this is done to exclude urethral contamination.