Why Is First Morning Urine Specimen Preferable?

What Colour should Urine be?

Normal urine color ranges from pale yellow to deep amber — the result of a pigment called urochrome and how diluted or concentrated the urine is.

Pigments and other compounds in certain foods and medications can change your urine color.

Beets, berries and fava beans are among the foods most likely to affect the color..

Is a clean catch urine sample sterile?

A clean catch urine sample or specimen is one of the least invasive procedures for a urine culture or urinalysis. The clean catch method aims to prevent bacteria from the skin of the penis or vagina from contaminating the urine specimen.

Why is it considered abnormal to have a protein in your urine?

Protein is normally found in the blood. If there is a problem with your kidneys, protein can leak into your urine. While a small amount is normal, a large amount of protein in urine may indicate kidney disease.

How much urine is needed for 24 hour collection?

The normal range for 24-hour urine volume is 800 to 2,000 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.

Why is first morning specimen unacceptable for urine cytology?

Do not collect the first (morning) void of the day. Cells held overnight in the bladder degrade making interpretation difficult.

What is the best time of day to take a urine sample?

Within two hours is best. If possible, collect samples in the morning Mon-Friday so the sample can be taken to the surgery before 11am.

What is a clean catch urine specimen?

A clean catch is a method of collecting a urine sample to be tested. The clean-catch urine method is used to prevent germs from the penis or vagina from getting into a urine sample.

What can you not do during a 24 hour urine collection?

Do not drink any alcoholic beverages. Avoid caffeine and other diuretics. 3. Start the 24-hour period by urinating into the toilet at exactly 7:00 a.m. or as soon as possible thereafter.

How long is first morning urine good for?

First morning urine samples will normally contain the highest levels of hCG. C. If not tested immediately, urine may be stored at room temperature (59-86oF or 15-30o C) or 8 hours refrigerated at 36─46oF (2─8oC) for up to 3 days. Samples must be brought to room temperature before testing.

What can you not eat with a 24 hour urine test?

To the best extent possible, avoid using vitamins, coffee, alcoholic beverages, salt and vanilla-containing foods for at least 24 hours before you start collecting the 24-hour urine and during the entire collection period.

How much urine should you put out in 24 hours?

The normal range for 24-hour urine volume is 800 to 2,000 milliliters per day (with a normal fluid intake of about 2 liters per day).

Why is it necessary that urine samples should be collected from the first urine voided in the morning?

The first voided morning specimen is particularly valuable because it is more concentrated and abnormalities are easier to detect. An early morning specimen is also relatively free of dietary influences and changes due to physical activity.

How do you sterilize a plastic urine sample?

Sterile specimen container – use the sterile specimen container that has been provided for you. If one has not been provided, sterilize an ordinary jar and lid, such as a mayonnaise jar. Scrub and rinse them well. Boil in water for ten minutes to sterilize.

How should you wipe your VAG after peeing?

Keep the undergarments dry Not wiping the vagina after urinating can cause the panties to get wet, which can not only lead to bad odour but put you at risk of vaginal infections. Hence, it is always advised to wipe the area using toilet paper or a soft cloth so your underwear is always dry.

Why should a urine sample be fresh when it is tested?

Do not keep it for longer than 24 hours. The bacteria in the urine sample can multiply if it is not kept in a fridge. If this happens, it could affect the test results.

Can you drink water before urine test?

Certain medications and kidney problems can also cause urine dilution. To prevent urine dilution, limit water and diuretic intake before administering the test. You can also collect urine in the early morning or before work.

What is a first morning void?

First voided specimen: Sample also referred to as a first morning specimen. This sample is collected the first time the patient urinates in the morning. A first voided specimen is the most concentrated and is the preferred specimen for pregnancy testing, bacterial cultures and microscopic examinations.

What should not be found in urine?

The following are not normally found in urine:Hemoglobin.Nitrites.Red blood cells.White blood cells.