Why is early morning urine The best sample to be tested?

Why is early morning urine The best sample to be tested?

First Morning Specimen This is the specimen of choice for urinalysis and microscopic analysis, since the urine is generally more concentrated (due to the length of time the urine is allowed to remain in the bladder) and, therefore, contains relatively higher levels of cellular elements and analytes such as protein, if …

Is first morning urine The best sample?

HCG Levels in Early Pregnancy Many companies recommend that you take your pregnancy test in the morning because first-morning urine typically contains the highest concentration of human chorionic gonadotropin (hCG), the pregnancy hormone.

What is the best time of day to do 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.

How important is first morning urine?

You probably haven’t been drinking or peeing as much overnight since you’ve been sleeping. In the early days of your pregnancy, when hCG levels are still increasing, your first morning urine will offer you the greatest chance of having sufficient hCG levels built up for a positive pregnancy test.

How do you collect first morning urine?

Your child will need to empty his or bladder before lying down to sleep, not urinate during the night, and then collect the first urine from his or her first urination in the morning. Keep the urine specimen cold (refrigerated or on ice while transporting) and bring it to the lab as soon as possible.

What is early morning urine used for?

Early morning urine (EMU) is accepted as a useful method for improving the concentrations of a number of antigens and analytes found in human urine [4, 8]. The strategy has been shown to improve the yield of urine culture for TB diagnosis [9].

How long is first morning urine good for?

Specimens may be collected at any time of the day. 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.

When is the best time to collect a urine sample?

Collecting a urine sample. You can collect a urine sample at any time of day, unless your GP or practice nurse advises you otherwise. The types of urine sample you might be asked for include a random specimen, first morning specimen or timed collection. To collect a clean urine sample: label the container with your name, date of birth and the date.

How to collect a 24 hour urine specimen?

Refer the specimen to MLHL. For example: Begin collecting the 24-hour urine specimen by voiding at 7:00 am and discarding the urine. Collect all urine voided during the next 24 hours. At 7:00 am the next morning, void and add the urine to the collection container.

What kind of urine sample should I get?

The types of urine sample you might be asked for include a random specimen, first morning specimen or timed collection. Follow any other instructions your doctor has given you.

What should I do with my mid stream urine sample?

A mid-stream urine sample means you don’t collect the first or last part of urine that comes out. This reduces the risk of the sample being contaminated with bacteria from: Storing a urine sample. If you can’t hand your urine sample in within 1 hour, you should put the container in a sealed plastic bag then store it in the fridge at around 4C.