What is this test?
Sodium urine is a laboratory test used to measure the levels of sodium in the urine. It helps to determine the functioning capacity of kidneys and to maintain a normal sodium level.
Why is this test performed?
This test is performed:
- To confirm abnormal blood sodium levels
- To check the hydration status
- To determine kidney functioning
- To diagnose kidney problems such as glomerulonephritis, medullary cystic kidney disease, and acute kidney tubular necrosis.
- If the doctor suspects hypertension.
FREQUENTLY ASKED QUESTIONS:
How is the test performed?
The patient has to urinate in a container provided by the health care provider over a 24 hour period. Following are the steps you may be requested to follow:
- Empty bladder in the morning but this urine is not to be collected. Record the time of urination.
For the next 24 hours, urinate in the given cup.
- Store your urine container in a refrigerator.
- Return the urine container to the laboratory for testing.
Is there any risk associated with the test?
There is no such risk associated with the test.
What levels are dangerous?
The normal values are from 20 to 220 mEq/L. Anything above or below these values are a cause of concern.
What are the most common complications?
A high sodium level in the body disrupts the normal functioning of the body.
Complications vary depending on the cause of the abnormality. You may be required to get additional tests to check kidney function.
INTERPRETATION OF THE RESULT
Normally, the amount of sodium in urine is 40-220 milliequivalents/ liter/ day.
Higher than normal levels may be due to the following reasons:
- Diet high in sodium
- Disorder of the adrenal glands
- Vomiting
- Use of water pills
- Hypothyroidism decreased activity of thyroid gland
Lower than normal levels may be due to the following reasons:
- Dehydration
- Diarrhea
- Kidney problems
