Health A-Z

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Your doctor will ask you to provide a clean-catch urine sample. You will be given a sterile container and instructions on how to clean the area around the urethra. Do not touch inside the container.

The urine sample will be sent to the laboratory where a urine culture is performed. The urine culture will determine if there are bacteria in your urine.

The diagnosis of asymptomatic bacteriuria requires:

  • A urine culture that is positive for a large number of bacteria

  • You do not have symptoms of a urinary tract infection.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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