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Doctor insights on: 24 Hour Urine Collection

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Why is creatinine measured in a 24 hour urine collection?

Why is creatinine measured in a 24 hour urine collection?

Tell kidney function: Single urine specimens can be tested for creatinine. But daily urine output and urinary concentration varies hence a 24 hr urine collection. Normal creatinine output for an adult should be >1gm/24 hours. Also getting blood creatinine provides optimal way to accurately determine creatine clearance which in turn is a most accurate way to measure kidney function. ...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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Must I use an acid washed jug for my 24-hour urine collection? 

Must I use an acid washed jug for my 24-hour urine collection? 

Lab supplies this: The laboratory will supply the collection bottle required for that test. Do not use any other container. ...Read more

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Dealing with Blood in Urine (Checklist)

Rule out infection as a cause with a urinalysis or culture
once
Ask your doctor to review your medications to identify cause
once
Rule out kidney stones with your doctor
once
If male, schedule a prostate exam
once
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Will beer show up in a 24 hour urine collection for a cortisol level if drank during collection time?

Will beer show up in a 24 hour urine collection for a cortisol level if drank during collection time?

Alcohol Testing: Yes. Of course. But, there will not be anyone besides you who knows it. There is no alcohol testing as part of a 24 hour urine collection. ...Read more

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What is 24 hour urine test ? Is it a collection of urine in 24 hours at home ?

What is 24 hour urine test ? Is it a collection of urine in 24 hours at home ?

Different chemicals: A 24 urine is not a test per se. Many chemicals in urine need to be measured over a period of 24 hours. Common tests are for creatinine, calcium, adrenal hormones, albumin and protein in general. See this site for proper collection of specimen and the tests. http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=92&ContentID=P08955 ...Read more

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Is 3822.00 mmol/l normal 24- hour urine creatinine? Is 200.1ug/24h normal cortisol level for 24 hour urine test?

Is 3822.00 mmol/l normal 24- hour urine creatinine? Is 200.1ug/24h normal cortisol level for 24 hour urine test?

See below: Normal urine creatinine (24-hour sample) values range from 7-21 mmol/day (males) and 5-16 mmol/day (females). Results depend greatly on your age and amount of lean body mass. Normal urine 'free' cortisol (24-hour sample) is usually less than 50 ug (=mcg). ...Read more

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Is this a normal result: sodium 24 hr urine 129, volume sodium, 24 hr 1175, sodium urine 110 thanks?

Is this a normal result: sodium 24 hr urine 129, volume sodium, 24 hr 1175, sodium urine 110  thanks?

Yes: Thetest is often used to determine your hydration status and your kidney's ability to conserve or remove sodium from the urine. Normal values are generally 40 to 220 milliequivalents per liter per day (meq/l/day), depending on how much fluid and salt you consume. ...Read more

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Total protein, 24 hr urine is this good or bad? (protein, urine, qn <=11 mg/dl -my result <6) protein, 24 hr urine -unable to calculate. A1c, kidney panel, ua, lipid normal

Total protein, 24 hr urine
is this good or bad? 
(protein, urine, qn <=11 mg/dl -my result <6)
protein, 24 hr urine -unable to calculate. A1c, kidney panel, ua, lipid normal

Urine results: Your urine shows that you have virtually no protein in your urine, which is a good thing. Patients with proteinuria have an increased rate of kidney failure, heart attacks and strokes which is related to the amount of protein in the urine both in diabetic and non-diabetic patients. What was the reason for the urine collection? ...Read more

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Can alcohol affect a 24 hour urine test?

Test for what?: It depends on what is being tested for. Urine test for etg will be positive. ...Read more

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How can i compute the 24 hr urine protein and 24 hr urine creatinine? thanks, Doc!

How can i compute the 24 hr urine protein and 24 hr urine creatinine? thanks, Doc!

Need more info : Need more information as to why you want to know. The answer depends on that, and I'm not quite sure if you mean "interpret" rather than "compute." For what reason did you have the test done? Remember, in regards to tests, numbers are just numbers - the context in which they exist is where the importance lies. Please discuss with your physician. ...Read more

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Can you tell me about the 24 hour urine collection for protein?

Can you tell me about the 24 hour urine collection for protein?

What about it?: 24 hour urine collection for protein is one test for renal disease. To accurately collect the specimen, go pee in the bathroom at a given time in the morning, say 8 am. Then all day pee in the jug given to you and the following morning pee in the jug at 8 am whether you feel like peeing or not. That would ensure accurate 24 hour specimen. ...Read more

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Could vaginal discharge contaminate a 24 hr urine test to give 0.42g of protein? Creatine tests normal.

Could vaginal discharge contaminate a 24 hr urine test to give 0.42g of protein? Creatine tests normal.

Not significantly: Most OB's order 24 hour urine in pregnant hypertensivie patients and almost all pregnant patients have leukorrhea (pregnancy discharge). It is primarily mucous and not loaded with protein. While it might contribute a small amount , it still wouldn't matter because the cutoffs we use for preeclampsia are all based on pregnant women with similar discharge. ...Read more

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White particles in urine during cortisol 24 hr culture. Should i worry?

White particles in urine during  cortisol 24 hr  culture. Should i worry?

Unclear question: If you are collecting 24 hour urine for cortisol, you obviosuly are under the care of a doctor and it would be better to address the question to your doctor. White particles may be innocous such as mucus or serious if it is pus. ...Read more

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What does a 24 hr calcium urine test consist of?

What does a 24 hr calcium urine test consist of?

All the urine x1 day: A person would be given a large jug, and asked to collect all the urine that gets into their bladder during a 24 hour period, usually from waking up one day to waking up at the same time the next day. Then the lab measures the calcium concentration, multiplies this by the total volume of the urine, and reports a 24 hour calcium excretion rate. About 100 - 300 milligrams is considered normal. ...Read more

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My daughter is 38 weeks pregnant and they did lab work today n told her to do a 24 hour urine collection. Why is that? Her blood pressure was high and that was reason for blood work

My daughter is 38 weeks pregnant and they did lab work today n told her to do a 24 hour urine collection. Why is that? Her blood pressure was high and that was reason for blood work

Urine protein: The 24 hour urine was to check for the amount of protein that the kidneys put into the urine in a 24 hour period. It is part of the lab work for the high blood pressure she is having. In addition to the bp, there is blood work and urine testing to determine the seriousness of the elevated bp's. The concern is pre-eclampsia, which is a serious health risk of pregnancy. ...Read more

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Why is creatinine measured in a 24 hour urine collection?

Tell kidney function: Single urine specimens can be tested for creatinine. But daily urine output and urinary concentration varies hence a 24 hr urine collection. Normal creatinine output for an adult should be >1gm/24 hours. Also getting blood creatinine provides optimal way to accurately determine creatine clearance which in turn is a most accurate way to measure kidney function. ...Read more

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