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Doctor insights on: What Are The Differences Between Urinalyisis And Urine Culture

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What are the differences between urinalyisis and urine culture?

What are the differences between urinalyisis and urine culture?

See answer: Urine analysis is using a dipstick to detect protein , blood etc and also lookig at the urine under a microscope to see cells and othe rsubstances to diagnose kidney problems urine culture is incubating the urine to grow/reveal the type of bacteria to direct treatment. ...Read more

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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How do a urinalyisis and a urine culture differ?

How do a urinalyisis and a urine culture differ?

See below : Urineanalayis checks for abnormalities in the urine i.E glucose, blood, protein and white cells which could indicate an infection a culture looks for specific bacteria that is the cause of an infection. ...Read more

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How to interpret urine culture/ urinalysis?

How to interpret urine culture/ urinalysis?

Normal ranges: The urinalysis report should contain a normal reference range for each item tested. If there are any tests that fall out of that range, it will be flagged as abnormal. As far as a urine culture is concerned, if the specimen was collected correctly, any bacteria found would be considered abnormal and should probably be treated, especially if you have symptoms of a urinary tract infection. ...Read more

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Why might there be presence of blood to appear on your urinalysis when the urine culture came back negative?

Why might there be presence of blood to appear on your urinalysis when the urine culture came back negative?

See below: Infection is only one cause of blood in urine. Others being stones, injury, tumors and blood disorders. See this site for more info. http://www.mayoclinic.com/health/blood-in-urine/ds01013. ...Read more

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If my urinalysis was normal can a urine culture still show I have a uti?

Yes: Because of this relative insensitivity of dipstick urinalysis, the absence of leukocyte esterase (let) does not rule out urinary tract infection (uti). Similarly, and more common, a positive let on dipstick does not always indicate the presence of a uti. A urine culture should generally be done when symptoms suggest the presence of a UTI regardless of the urinalysis results. ...Read more

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Can a positive urine culture with group b strep, but normal urinalysis confirm a UTI? Or likely to not be a UTI?

Can a positive urine culture with group b strep, but normal urinalysis confirm a UTI? Or likely to not be a UTI?

Confirm a UTI: Group B strep is usually a gut bacteria. If there are symptoms such as burning on urination foul-smelling urine for the positive culture it is most likely a urinary tract infection. Urinalysis probably would show a positive leukocyte esterase test. The culture is usually the goal stand it if it is greater than 100,000 colonies. ...Read more

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Can you have a UTI when urinalysis negative, but urine culture positive for group b strep?

Can you have a UTI when urinalysis negative, but urine culture positive for group b strep?

Perhaps......: The finding of bacteria in the urine without accompanying symptoms is referred to as asymptomatic bacteriuria. Whether or not to treat this should be discussed with your physician, especially if you are pregnant. ...Read more

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Hwbc & lrbc in a urinalysis and blood? I did have a UTI at the time. My urine culture was normal. Should i be worried?

Hwbc & lrbc in a urinalysis and blood? I did have a UTI at the time. My urine culture was normal. Should i be worried?

Incomplete info: All lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the position to do that. It would be helpful to look at the actual lab results. Blood in urine is something to be concerned about and you should consult your doctor. ...Read more

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I have had frequent urination for 8 months had a urine culture and a urinalysis both negative. What other tests determine the cause of this problem?

More tests: Dynamic testing of the bladder, which help determine whether the bladder if emptying fully is another test you may need to have with your urologist. A pelvic ultrasound may also be helpful to assess for uterine fibroids, endometriosis, etc. ...Read more

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Can the meds Azo make high WBC in my urinalysis? My urine culture was negative tho?

Azo: Azo is not an antibiotic. It will relieve your symptoms of uti. Be careful because infection could get worse and you are masking it with the azo. ...Read more

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Do you need to perform a urine culture test if your urinalysis is positive for nitrate and bacteria is moderate?

UTI?: 66 M from MD ASKS if one needs urine culture if dipstick suggest sifting. ANS: only if u want to know if u have an infection and if u do what is the best med to use in your part of town. ...Read more

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Do you need to perform a urine culture test if your urinalysis is positive for nitrate and bacteria is shown as moderate?

Yes: Urine culture will allow identification of the organism and if needed the antibiotic sensitivity of the organism can then be determined. ...Read more

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When a urinalysis and urine culture is performed do they always do a microscopic exam of the urine sample to check for casts?

When a urinalysis and urine culture is performed do they always do a microscopic exam of the urine sample to check for casts?

Depends: Microscopic examination of urine is usually triggered by the findings of dipstick examination. If the dipstick examination does not show abnormality a microscopic examination is not usually done. Not all casts are necessarily abnormal. ...Read more

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Went for a microscopic urinalysis results - mucus present and urine culture- organisms recovered in low numbers. What do these mean? Infection?

Unlikely: Urine screening tests also look for other markers of infection like nitrite and leukocyte enzymes. If those were negative and urine culture had low number of bacteria, it is not likely to be infection. ...Read more

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5 year old with frequent urination and accidents x 4 days. No pain, no fever. Urine culture negative. Sugar also tested in urine and was ok. What could cause frequent urination with negative urinalysis?

Frequent urination: In a child with negative bacterial culture is often related to anxiety or other emotional reasons. It can also be seen with stool holding and constipation, or related to chemical irritation from food dyes or viral infection. Sometimes medications such as albuterol can cause temporary bladder specificity. ...Read more

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Burning feeling all day after bowel movement and ejaculation?Urinalysis and Urine Culture Test clear. Issues from 6 years after varicolectomy.Solution

Burning feeling all day after bowel movement and ejaculation?Urinalysis and Urine Culture Test clear. Issues from 6 years after varicolectomy.Solution

Diagnosis first: In such a situation, one can ask for a Voiding Cystourethrogram (VCUG) and for an Abdominal + Bladder ultrasound scan. The VCUG may show that the urine is flowing the correct way during urination, or if there is a problem, it may show urine going into an unusual direction or location. The urologist and radiologist can help figure this one out. ...Read more

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3 weeks into Doxycycline I have stabbing bladder pain when bladder is full. Do I need complete urinalysis and urine culture? Perhaps bacteria/protozoans/fungi not susceptible to doxy have grown unopposed?

3 weeks into Doxycycline I have stabbing bladder pain when bladder is full.  Do I need complete urinalysis and urine culture?  Perhaps bacteria/protozoans/fungi not susceptible to doxy have grown unopposed?

Why on doxy?: I'm curious: why have you been on doxy for 3wks? I'm assuming that it is either for acne or for prostate infection. If for acne, recommend switching to another antibiotic and seeing if doc will write you something to treat yeast (Candida). Diflucan (fluconazole) once or twice weekly for 2-4 weeks will help...compounded nystatin is better. If taking for prostate the prostate prob may be causing symptoms. ...Read more

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5 yo girl, no history of UTI or kidney probs: in hosp for hi fever, dehydratn, urinalysis=+ for bact, urine culture=-! renal echo=dilated kidn. Opinions?

5 yo girl, no history of UTI or kidney probs: in hosp for hi fever, dehydratn, urinalysis=+ for bact, urine culture=-! renal echo=dilated kidn. Opinions?

Consult a urologist: This child may have a number of problems, the most likely being vesicoureteral reflux or upj obstruction. She may need further studies, including a test called VCUG or a nuclear renal scan. If possible, consult with a pediatric urology subspecialist. She may need to be on antibiotics indefinitely until the problem can be diagnosed definitively. ...Read more

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Is there a difference between Urine Culture and Urine Microscopy, or are they synonymous?

Yes: Urine microscopy means looking at the urine with a microscope. Usually the urine is free of cells and other debris. If white blood cells or bacteria are seen the urine culture attempts to grow the bacteria and identify the kind of infection present ...Read more

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Whats the difference between an urinaysis and an urine culture?

Very different tests: Urinalysis is analysis of urine usually a run on a machine. Urine culture is looking for any bacterial growth on a medium for several days. This is done in a microbiology laboratory ...Read more

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Whats the difference between a urinanaylsis and a urine culture? Which would be best to detect proteus mirabilis? Would both be able to do it?

Whats the difference between a urinanaylsis and a urine culture? Which would be best to detect proteus mirabilis? Would both be able to do it?

Cultures are best: A urinalysis is a quick check of the urine that shows the presence of blood, protein, ph, specific gravity, and a quick evaluation of possible infection. It can be done in a couple of minutes by machine. A urine culture takes about 48 hours and will identify the bacterial organism and give the physician a list of the the proper antibiotics to use. ...Read more

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How to interpret urine culture report?

Talk to pathologist: The report is usually issued to your doctor, who should explain it to you. If you still have issues, you may contact the pathologist in-charge of the lab that did the test. The issue is not suitable for this forum for an adequate explanation. ...Read more

Dr. Simon Kimm
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Urine Culture (Definition)

Tiny sample of urine is spread on a bacterial growth culture medium, e.G agar & placed in an incubator to grow. Positive urine cultures demonstrate colonies of bacteria which can then be identified. Such colonies can then be recultured in presence of various antibiotics to identify to which the isolated organism is sensitive. ...Read more