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Doctor insights on: Urine Urinalysis

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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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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


Dr. James Lin Dr. Lin
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What exactly does it mean when you have blood in your urine but urinalysis shows no infection?

Dr. James Lin Dr. Lin
1 doctor agreed:
What exactly does it mean when you have blood in your urine but urinalysis shows no infection?

Here are some...: The causes for blood in urine may mount to >100, but can be grouped in 5 categories: infection/ inflammation, urinary stones, urinary obstruction, new growth - benign or malignant, & chronic silent kidney disease. For more details, go to http://www.formefirst.com/hematuria.html. Thereby, you'll gain useful insights on how to deal with it and work closely with Doc timely... ...Read more

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Teenage son-visible blood in his urine. Abnormal Urinalysis Results: 7/14 - RBC urine 418 out of 0-5; 7/16 - RBC/HPF 6-10,Small bacteria, Small Hemoglobin; What these mean? Sonar tomorrow.

Teenage son-visible blood in his urine. Abnormal Urinalysis Results: 7/14 - RBC urine 418 out of 0-5; 7/16 - RBC/HPF 6-10,Small bacteria, Small Hemoglobin; What these mean? Sonar tomorrow.

May be nothing: Around 1 person in 100 has a modest amount of blood in the urine over the lifetime. When tumors and stones are ruled out and there's no other medical cause of bleeding, this is best simply noted and ignored. The trace of bacteria are contaminants. ...Read more

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No pain, sometimes urine is cloudy, urinalysis said slightly cloudy?

No pain, sometimes urine is cloudy, urinalysis said slightly cloudy?

Cloudy urine: can be caused by pus, crystals, or any other impurity, depending on what else is going on. You should ask your doctor what else was found on this test and other tests. ...Read more

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My pcp today said my results were normal from my urinalysis & 24hr urine collection. How did numbers go normal from 2007, my GFR used to be around 58?

Time to talk: Frankly with your dr. Estimating the GFR in clinically healthy people based on spot bloodwork (not urine) is a fad that many pathologists and nephrologists consider unscientific and unfortunate. (the correction "because black people are more muscular" is one sign of subscience.) well-muscled men end up as kidney cases when they're really not. Urinalysis isn't even used for gfr. ...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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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

Ua (Definition)

A ua is a urinalysis, or chemical and microscopic analysis of the urine. The standard urinalysis is performed with a dipstick test for ph, blood, protein, sugar, and ketones. In addition, a urinalysis usually includes a microscope examination to identify if the urine contains cells, "casts" (structures that indicate a problem originating in the kidney) or crystals (such as ...Read more