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The urine 24-hour volume test measures the amount of urine produced in a day.
Alternative NamesUrine volume; 24-hour urine collection
How the test is performedA 24-hour urine sample is needed.
- On day 1, urinate into the toilet when you get up in the morning.
- Afterwards, collect all urine in a special container for the next 24 hours.
- On day 2, urinate into the container when you get up in the morning.
- Cap the container. Keep it in the refrigerator or a cool place during the collection period.
- Label the container with your name, the date, the time of completion, and return it as instructed.
For an infant, thoroughly wash the area around the urethra. Open a urine collection bag (a plastic bag with an adhesive paper on one end), and place it on the infant. For males, place the entire penis in the bag and attach the adhesive to the skin. For females, place the bag over the labia. Diaper as usual over the secured bag.
This procedure may take a couple of attempts -- lively infants can move the bag, causing the urine to be absorbed by the diaper. Check the infant frequently and change the bag after the infant has urinated into it. Drain the urine from the bag into the container provided by your health care provider.
Deliver it to the laboratory or your health care provider as soon as possible upon completion.
How to prepare for the testThe health care provider will instruct you, if necessary, to stop taking any drugs that may interfere with the test results.
If the collection is being taken from an infant, some extra collection bags may be needed.
How the test will feelThe test involves only normal urination, and there is no discomfort.
Why the test is performedUrine volume is normally measured as a part of the creatinine clearance test, or any test that measures the amount of a substance eliminated in a day.
See also:
This test may also be done if you have polyuria (abnormally large volumes of urine), such as is seen in diabetes insipidus.
Normal ValuesThe normal range is 800 to 2000 milliliters per day (with a normal fluid intake of about 2 liters per day).
The examples above are common measurements for results of these tests. Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your doctor about the meaning of your specific test results.
What abnormal results meanDisorders that cause reduced urine volumeinclude dehydration, not enough fluid intake, or some types of chronic kidney disease.
Some of the conditions that cause increased urine volumeinclude:
- Diabetes insipidus - renal
- Diabetes insipidus - central
- Diabetes
- High fluid intake
- Some forms of kidney disease
- Use of diuretic medications
Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 116.
Reviewed ByReview Date: 08/20/2011
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
What else can I help you with?
What happen to urine volume when water intake is decreased?
The urine volume will decrease.
What happened to volume of urine produced as the volume of water drunk increased?
Volume increases,urine become more dilute and clear.
Is there a higher volume of urine when dehydrated?
No, when dehydrated, the volume of urine typically decreases. The body conserves water to maintain hydration, leading to more concentrated urine. In contrast, when well-hydrated, the body produces a larger volume of diluted urine.
How does the volume of urine differ from the measured baseline volume?
The volume of urine refers to the total amount of urine produced by the body, while the baseline volume refers to the average amount of urine produced over a specific timeframe. Differences in volume can occur due to factors such as hydration status, medications, and underlying health conditions.
What happens to the volume and dilution of urine when alcohol is consumed?
Decreased ADH production increases urine volume and dilution.
What happened to the urine volume as the concentration gradient increased?
As the concentration gradient increases, the urine volume typically decreases. This is because a higher concentration gradient drives more water reabsorption in the kidneys, resulting in a lower urine volume being produced.
What section of a nephron that conserves water and minimizes urine volume?
The Loop of henle conserves water and minimizes urine volume.
What will happen to urine volume in hypertension patient taking thiazide drug?
Thiazides like hydrochlorotiazyde is a diuretic and it will increase the volume of urine.
What happen to urine volume if you did not add ADH to the collecting duct?
Without the presence of antidiuretic hormone (ADH), the permeability of the collecting duct to water decreases. As a result, more water is excreted in the urine, leading to a higher urine volume and lower urine concentration.
What is the normal volume of urine excreated in a 24hr period?
What is the normal volume of urine excreted in a 24-hour period? 1.0 - 1.8 liters
What happened to the urine volume when the solute gradient in the interstitial space was increased?
for mastering a and p lab exercise 9, the urine volume decreased
What happend to the volume of urine as the solute concentration in the interstitial space was increased?
As the solute concentration in the interstitial space increases, the volume of urine produced by the kidneys typically decreases. This is because the higher solute concentration triggers the release of antidiuretic hormone (ADH), which increases water reabsorption in the kidneys, leading to a decrease in urine volume.
