Question 1

what does having a trace of leukocyte esterase urine mean?

Accepted Answer

Usually normal: Leukocyte esterase released by lysed neutrophils and macrophages is a surrogate marker of the presence of white blood cells (WBCs). Leukocyte esterase suggests that there are white blood cells in the urine. Trace means few WBC produced small amount of leucocyte esterase

Question 2

could trace leukocyte esterase be skin cells that got into the urine?

Accepted Answer

: No, very unlikely. Good Luck

Question 3

how abnormal is 5-10 for wbc in a urine test? i am curious about a small abnormality on my physical:
the results of the urine chem/microscopy say trace of leukocyte esterase (reference range: negative) and a flag says ab. following that the wbc is ab

Accepted Answer

A : A few white blood cells in the urine of a female patient is very common, especially if the urine sample was not collected in particular manner.  If a physician is interested in getting urine from a woman's bladder that has not been contaminated by passing through the vagina, which normally contains bacteria and white blood cells, the sample should be collected by asking the woman to use a antiseptic towelette to wipe the vagina while spreading the inner labia, then to urinate into the toilet for a second, stop urinating, then urinate into the specimen cup.

If you didn't collect the urine in this manner, then it's more than likely that the white blood cells are from the vagina, not the bladder as are the bacteria and the leuk esterase.  If it is noted that there were squamous epithelial cells in the urine, then it's even more likely, because those cells are found only in the vagina, not the bladder.

Back pain is a common symptom, and occasionally it is the sole symptom of a urinary tract infection, but not usually.  Most of the time people with utis will have pain on urination or frequency of urination, fevers, or pain on the sides of their back.

If you have any of these (fever, urinary pain or frequency, or pain on the sides of your back) or if the middle back pain persists for more than a week, you should see a doctor.

But the biggest thing here is, the physician who ordered the urine test should be available and eager to answer your question.

Question 4

had blood and urinalysis 7/15. blood work was all normal but urine showed creatinine level of 409, trace protein, trace leukocyte esterase, wbc, hyali?

Accepted Answer

Mild UTI: It sounds like a mild urinary tract infection.  Do you still have symptoms?  If you are worried, have the urinalysis repeated to see if it is now normal, which I expect it will be.

Question 5

all urine results, neg, but leukocyte esterase shows moderate. what does this mean? last time it was small/clear. this time moderate/slightly-cloudy.

Accepted Answer

Urinalysis: Cloudy urine and urine containing white blood cells(leukocytes) don't necessarily signify a urinary tract infection. The white cells may be contaminants from a vaginal infection or discharge. A clean catch urine culture would rule in or out a urinary tract infection. If you have a vaginal discharge, see your gynecologist and he/she can order any appropriate urinary tests if no vaginal infection

Question 6

would a first void urine leukocyte esterase test be positive in a male with mycoplasma genitilium?

Accepted Answer

Not necessarily: It might or might not. If no symptoms like urethral discharge or uncomfortable urination, LE is even more likely to be negative. But MG generally isn't a particularly harmful infection. It's rarely necessary to test if there are no symptoms, and asymptomatic infections do not necessarily need treatment. Low chance of harm either to infected persons or their sex partners. Nothing to worry about.

Question 7

why would someone   need a leukocyte esterase urine dipstick test?

Accepted Answer

Urinary infection: Leukocyte esterase is a surrogate marker for the presence of white blood cells in the urine and usually indicates urinary infection.

Question 8

should i be concerned if my leukocyte esterase result was 500 and blood number in urine was 25? if so what could be problem?

Accepted Answer

Infection: Elevated leukocyte esterase and blood in the urine can indicate infection. Hopefully your doctor sent the urine for a culture and sensitivity to find out the cause of the infection.

Question 9

recent urine test shows leukocyte esterase small. what does that mean? also shows moderate blood and turbid appearance. any ideas?

Accepted Answer

UTI?: You may have a urinary tract infection. Stop self testing and contact your doctor's office for a professional urinalysis and perhaps urine culture.

Question 10

for 9 months consistently i am flagged with my urine tests at over 500 for the leukocyte esterase, im usually also flagged for nitrates being hi.

Accepted Answer

Need more info: Why were the tests done? Do you have any symptoms? All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Talk to the doctor who ordered the tests. 
The two results you mentioned are markers for urinary infection.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. 
Practice safe sex, if you have sex.

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Doctor answers about:

Leukocyte esterase trace in urine

A member asked:

What does having a trace of leukocyte esterase urine mean?

A member asked:

Could trace leukocyte esterase be skin cells that got into the urine?

A member asked:

How abnormal is 5-10 for wbc in a urine test? i am curious about a small abnormality on my physical: the results of the urine chem/microscopy say trace of leukocyte esterase (reference range: negative) and a flag says ab. following that the wbc is ab

A member asked:

Had blood and urinalysis 7/15. blood work was all normal but urine showed creatinine level of 409, trace protein, trace leukocyte esterase, wbc, hyali?

A member asked:

All urine results, neg, but leukocyte esterase shows moderate. what does this mean? last time it was small/clear. this time moderate/slightly-cloudy.

A member asked:

Would a first void urine leukocyte esterase test be positive in a male with mycoplasma genitilium?

A member asked:

Why would someone need a leukocyte esterase urine dipstick test?

A member asked:

Should i be concerned if my leukocyte esterase result was 500 and blood number in urine was 25? if so what could be problem?

A member asked:

Recent urine test shows leukocyte esterase small. what does that mean? also shows moderate blood and turbid appearance. any ideas?

A member asked:

For 9 months consistently i am flagged with my urine tests at over 500 for the leukocyte esterase, im usually also flagged for nitrates being hi.

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