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</noscript></div><div class="main"><div id="ency_summary"><p>A urine culture is a lab test to check for bacteria or other germs in a urine sample.</p><p>It can be used to check for a urinary tract infection in <a test="test" href="./000521.htm">adults</a> and <a test="test" href="./000505.htm">children</a>. </p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Most of the time, the sample will be collected as a <a test="test" href="./007487.htm">clean catch urine sample</a> in your health care provider's office or your home. You will use a special kit to collect the urine.</p><p>A urine sample can also be taken by inserting a thin rubber tube (catheter) through the urethra into the bladder. This is done by someone in your provider's office or at the hospital. The urine drains into a sterile container, and the catheter is removed.</p><p>Rarely, your provider may collect a urine sample by inserting a needle through the skin of your lower abdomen into your bladder.</p><p>The urine is taken to a lab to determine which, if any, bacteria or yeast are present in the urine. This takes 24 to 48 hours.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How to Prepare for the Test</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>If possible, collect the sample when urine has been in your bladder for 2 to 3 hours.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test will Feel</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>When the catheter is inserted, you may feel pressure. A special gel is used to numb the urethra.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Why the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>Your provider may order this test if you have symptoms of a <a test="test" href="./000521.htm">urinary tract infection</a> or bladder infection, such as pain or burning when urinating.</p><p>You also may have a urine culture after you have been treated for an infection. This is to make sure that all of the bacteria are gone.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Normal Results</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>"Normal growth" is a normal result. This means that there is no infection.</p><p>Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test results. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>What Abnormal Results Mean</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>A "positive" or abnormal test is when bacteria or yeast are found in the culture. This likely means that you have a urinary tract infection or bladder infection.</p><p>Other tests may help your provider know which bacteria or yeast are causing the infection and which antibiotics will best treat it, if treatment is needed.</p><p>Sometimes more than one type of bacteria, or only a small amount, may be found in the culture.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Risks</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>There is a very rare risk for a hole (perforation) in the urethra or bladder if your provider uses a catheter.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Considerations</h2></div><div class="section-button"><button type="submit" aria-controls="section-8" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-8"><p>You may have a false-negative urine culture if you have been taking antibiotics.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Culture and sensitivity - urine </p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/10011t.jpg" alt="Urine sample" title="Urine sample" class="side-img"/><a href="../imagepages/10011.htm">Urine sample</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1122t.jpg" alt="Female urinary tract" title="Female urinary tract" class="side-img"/><a href="../imagepages/1122.htm">Female urinary tract</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1123t.jpg" alt="Male urinary tract" title="Male urinary tract" class="side-img"/><a href="../imagepages/1123.htm">Male urinary tract</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Cooper KL, Badalato GM, Rutman MP. Infections of the urinary tract. In: Partin AW, Dmochowski RR, Kavoussi LR, Peters CA, eds. <em>Campbell-Walsh-Wein Urology</em>. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 55.</p><p>Nicolle LE, Drekonja D. Approach to the patient with urinary tract infections. In: Goldman L, Schafer AI, eds. <em>Goldman-Cecil Medicine.</em> 26th ed. Philadelphia, PA: Elsevier; 2020:chap 268.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 10/20/2022</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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</div></div><div name="Related MedlinePlus Health Topics" class="section-body" id="section-mtp"><ul class="side-nav"><li><a href="https://medlineplus.gov/urinarytractinfections.html">Urinary Tract Infections</a></li>
<li><a href="https://medlineplus.gov/urineandurination.html">Urine and Urination</a></li>
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