It can also provide information about whether treatment is reducing the amount of protein in the urine. Skip to main content. August 12, , am EDT. A urinalysis has three parts: Visual examination of the urine sample for color and clearness. Blood may make urine look red or the color of tea or cola. An infection may make urine look cloudy.
A dipstick examination, which uses a chemically treated strip. Strips can check for many things in addition to protein and glucose including: pregnancy, because a hormone that is only made by pregnant women can be found; certain legal and illegal drugs that are processed by the kidney; pH is a measure of the amount of acid in the urine.
An abnormal pH may be a sign of kidney stones, urinary infections, chronic kidney disease or certain disorders that affect growth and development in children; creatinine gives an estimate of the concentration of your urine, which allows for a more accurate protein result. Creatinine is a by-product of normal muscle activity, which is found in the urine and blood; bacteria and white blood cells are signs of infection. New dipstick tests don't just reveal that a substance exists in the urine; they also estimate how much of the substance is there.
If there are large amounts of glucose, protein, or red blood cells, it is a warning that something is wrong. Urinalysis also includes examining a small amount of urine under a microscope. Some of the things that may be seen in a microscope include: Red blood cells, which may be a sign of kidney diseases that damage the filtering units of the kidneys, allowing blood cells to leak into the urine. Blood in the urine may also be a sign of problems such as kidney stones, infections, bladder cancer or a blood disorder like sickle cell disease.
White blood cells are a sign of an infection or inflammation in the kidneys, bladder or another area. Bacteria is usually a sign of an infection in the body.
Normal urine does not contain bacteria. Urine color can be influenced by what you've just eaten or by certain drugs you're taking. For example, beets or rhubarb might tint your urine red.
A dipstick — a thin, plastic stick with strips of chemicals on it — is placed in the urine. The chemical strips change color if certain substances are present or if their levels are above typical levels.
A dipstick test checks for:. Sometimes performed as part of a urinalysis, this test involves viewing drops of concentrated urine — urine that's been spun in a machine — under a microscope. If any of the following levels are above average, you might need more tests:. A urinalysis alone usually doesn't provide a definite diagnosis. Depending on the reason your provider recommended this test, you might need follow-up for unusual results.
Evaluation of the urinalysis results with other tests can help your provider determine next steps. Getting standard test results from a urinalysis doesn't guarantee that you're not ill. It might be too early to detect disease or your urine could be too diluted. Tell your provider if you still have signs and symptoms.
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Sections for Urinalysis About. Foamy urine can be a sign of kidney problems. Microscopic exam. A small amount of urine will be looked at under a microscope to check for things that do not belong in normal urine that cannot be seen with the naked eye, including red blood cells, white blood cells or pus cells , bacteria germs , or crystals which are formed from chemicals in the urine and may eventually get bigger and become kidney stones. Dipstick test. A dipstick is a thin, plastic stick with strips of chemicals on it.
It is dipped into the urine. The strips change color if a substance is present at a level that is above normal. Some of the things a dipstick examination can check for include:. A urinalysis can help to detect many diseases before you feel symptoms. Finding and treating a problem early can help keep serious diseases from getting worse. Healthy kidneys remove wastes and excess fluid from the blood.
Blood and urine tests show how well the kidneys are doing their job and how quickly body At least 10 million Americans suffer from incontinence, which means that they are not able to control the times when they urinate. In some cases, the loss of urine is so Urinary tract infections are responsible for nearly 10 million healthcare visits each year. What is the urinary tract?
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