Urinary tract infection (UTI)
Hello, doctor.
Today's health check report shows an abnormal result for urinary leukocyte esterase (+/-).
Does this indicate a urinary tract infection? I have no discomfort when using the restroom, and my urination is normal—no pain or fever.
The other values in the report are as follows: urine specific gravity 1.008, urine pH 6.5, urobilinogen 0.2, and all other tests are negative.
The urine sediment analysis for red blood cells, white blood cells, and epithelial cells was not performed.
Should I see a urologist? Thank you.
11223, 30~39 year old female. Ask Date: 2023/06/05
Dr. Du Shixi reply Urology
Hello: It is not necessarily inflammation.
If you are very concerned, a urine test at the hospital can be done; make sure to collect midstream urine.
If everything is fine, you can go for a check-up when you have time.
Please remember to rule out your menstrual period when seeking medical attention.
Wishing you good health.
Reply Date: 2023/06/05
More Info
Based on the information provided, it seems that you have undergone a routine urine test, and the results indicate a presence of leukocyte esterase at a "+/-" level. This finding can be somewhat ambiguous and may warrant further investigation, especially considering that you are not experiencing any urinary symptoms such as pain, discomfort, or fever.
Leukocyte esterase is an enzyme produced by white blood cells (WBCs), and its presence in urine can suggest inflammation or infection in the urinary tract. However, a "+/-" result indicates that the test is not definitively positive, meaning that while there may be some indication of WBCs, it is not strong enough to confirm a urinary tract infection (UTI) on its own. This can sometimes occur due to contamination of the urine sample or even due to other benign reasons.
Given that your other urine test results appear to be normal—specifically, the specific gravity, pH, and absence of other abnormalities—it is possible that the leukocyte esterase result could be a false positive or due to a transient condition. The fact that you are not experiencing any symptoms is also a good sign, as UTIs typically present with discomfort, urgency, frequency, or systemic symptoms like fever.
However, it is important to consider a few factors:
1. Follow-Up Testing: Since the leukocyte esterase result is not definitively positive, it may be advisable to repeat the urine test, particularly if you have any concerns or if symptoms develop in the future. A clean catch midstream urine sample can help minimize contamination and provide a more accurate result.
2. Additional Testing: If you are still concerned about the possibility of a UTI or if symptoms arise, a urinalysis that includes a microscopic examination of the urine sediment may be beneficial. This can help identify the presence of bacteria, red blood cells, or more white blood cells, which can provide further insight into your urinary health.
3. Consultation with a Urologist: If the leukocyte esterase remains positive in follow-up tests or if you develop any urinary symptoms, it would be prudent to consult a urologist. They can perform a more comprehensive evaluation, which may include a urine culture to identify any specific pathogens and determine the appropriate treatment if necessary.
4. Monitoring Symptoms: Keep an eye on any changes in your urinary habits or any new symptoms. If you notice increased frequency, urgency, pain during urination, or any systemic symptoms like fever, it would be important to seek medical attention promptly.
In summary, while your current urine test results do not strongly indicate a urinary tract infection, the presence of leukocyte esterase at a "+/-" level suggests that monitoring and possibly further testing may be warranted. If you remain asymptomatic, you might not need to see a urologist immediately, but staying vigilant and following up with your healthcare provider is advisable.
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