How Do I Know If My Urine Is Clean

Doctors request a urine test to help diagnose and treat a range of weather condition including kidney disorders, liver issues, diabetes and infections. Testing urine is besides used to screen people for illicit drug use and to test if a woman is meaning.

Urine tin can be tested for particular proteins, sugars, hormones or other chemicals, certain leaner and its acerbity or alkalinity.

Doctors tin besides tell a lot from how your urine looks and smells. For example nighttime urine could be a sign of dehydration; a cloudy appearance may propose infection; if the urine is a reddish colour there may be blood in it; and a sweet smelling urine tin can be a sign of diabetes.

Practise I have an infection?

The most common reason for analysing urine is to place a bacterial infection in your urinary tract, your torso's drainage organization for removing urine. Urinary tract infections are particularly common in women, affecting near l% in their lifetime.

Urine tests not only tell you lot if there's an infection, they tin identify the offending organism. That helps the doctor know how best to care for the infection, including prescribing the right blazon of antibiotic (i that particular microorganism is sensitive to).

At the GP, the first test uses a dipstick or strip exam (sometimes called a rapid urine test). This involves dipping a especially treated plastic or newspaper strip into a urine sample collected in a sterile plastic pot.

The doctor compares the colour of the test strip with a chart of standard colours. If the strip test detects (is positive for) white blood cells (leucocytes), claret and/or chemicals called nitrites, infection is likely.

Your GP usually performs a quick dipstick exam, where the colour of the test newspaper changes co-ordinate to what the urine contains. from shutterstock.com

So, the doc sends off a sample of the urine to the laboratory for further testing. There, a laboratory technician can view it under a microscope to expect for bacteria and cells. If the white prison cell count is in a higher place a baseline level, or if organisms are identified (and the patient has symptoms), an infection is very likely.

Farther testing in the laboratory involves culturing the bacteria from the urine (by growing it in a special medium) and testing different antibiotics on it to see which one is nigh constructive.

How your urine sample is handled in hospital may be different. Larger hospitals take a laboratory on site and patients will normally wait in the emergency department for the results of the laboratory microscopic evaluation. Doctors and then first treatment with this actress data.

Patients sent habitation from the emergency department will still need to visit their GP for the final laboratory results, such as the antibody sensitivities. If yous are admitted to hospital, treatment will start and may be modified once these results are known.

Sterile samples are vital

For any of these tests to exist valid, the urine sample needs to be sterile (without contamination). To obtain a sterile sample in hospital, that might involve inserting a catheter (a tube that collects urine from the float) or a needle into the bladder (suprapubic aspiration).

But the about common method is past asking for a mid-stream urine sample (also known as clean-take hold of urine sample). This is when yous urinate the get-go office of the urine stream into the toilet, collect the eye office of the stream in a sterile container, and then empty the rest of the bladder into the toilet.

The idea is that the outset discarded urine flushes out any bacteria or peel cells from the penis or vagina leaving the mid-stream sample as a truly representative sample to test.

Instructions are oftentimes vague

But many patients will recall being asked to provide a urine sample without acceptable explanation of how to do it. They are simply handed a sample container and given directions to the toilet.

Without instruction patients may not know how to prepare their external ballocks. For women this involves departing the labia or lips of the vagina, while for men, this involves retracting the foreskin.

Nor are patients clearly brash how to provide the sample. Every bit a result, they can contaminate the container and its lid by non washing their hands, and their sample often contains the first rather than mid-stream urine.

In these cases, what actually gets into the sample are contaminants; cells and bacteria from easily; or cells and bacteria from the lower part of the urinary tract and genitalia.

Unfortunately for women, their beefcake is more likely to result in more than of this latter contamination. They void urine from the urethra (the tube from the float) and through a role of the vagina, while men most often void directly into the container.

Why is a contaminant-free sample important?

If the sample is contaminated in that location are diverse consequences. The laboratory volition written report contamination and propose the doctor to take care in interpreting results. Withal, a contaminated sample tin result in incorrect diagnosis and incorrect or unnecessary treatment.

A new sample will probably be needed. This causes delays in diagnosis and handling, potential anxiety to the patient and additional costs.

In our hospital, where the emergency section collects more 1,000 mid-stream samples each month, women'southward samples are contaminated over xl% of the fourth dimension. In a recent trial visual instructions in the form of cartoons were provided on how to collect the samples.

We paid item attention to hand washing and collection technique. The number of contaminated samples was reduced by xv%. This potentially could save upwardly of 150 repeat tests a month and those instructions are now provided to all patients in the emergency department.

If you are unsure how to take a sterile sample, ask your medico or nurse for more information. It can save you the time, inconvenience and worry of coming back for another sample.

This article has been updated to clarify a woman's anatomy.