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Sodium, Urine 24H


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Serum, NA, Fasting or Non Fasting: As suggested by doctor

sample requiredSample Required:

A 24-hour urine sample is required to measure sodium levels in the urine.

test timeTest Time:

Test results are typically available within a few days after collecting the 24-hour urine sample.

test normal rangeTest Normal Range:

The normal range for sodium in a 24-hour urine collection can vary but is usually between 40 and 220 millimoles per day (mmol/day).

what is the testWhat is the Test:

The sodium urine 24-hour test measures the total amount of sodium excreted in the urine over a 24-hour period. It helps assess how the kidneys are handling sodium, an important electrolyte in the body.

test procedureTest Procedure:

A healthcare provider will provide you with a large container for collecting urine over a 24-hour period. On the first day, the first urine void in the morning is typically discarded. You collect all subsequent urine voids in the container provided over the next 24 hours. The container is kept in a cool place during this time. After 24 hours, the container is returned to the lab for analysis. The laboratory measures the total sodium content in the collected urine.

who should take this testWhen to Take the Test:

This test is typically ordered to evaluate sodium excretion in individuals with certain kidney or electrolyte disorders.

when to take the testWho Should Take This Test:

People with kidney disease, high blood pressure, or other conditions affecting sodium balance may have this test ordered by their healthcare provider.

precautions for exceptional casesPrecautions for Exceptional Cases (Pregnancy, etc.):

There are no specific precautions related to pregnancy for this test. However, pregnant individuals with kidney-related issues may have their sodium levels monitored for overall health reasons.


FAQs (Frequently Asked Questions):

Q1: Why is measuring sodium in urine important?

A: Sodium levels in urine can provide valuable information about kidney function and the body’s handling of electrolytes.

Q2: What can cause high sodium levels in urine?

A: High sodium levels in urine can result from excessive sodium intake, certain medications, or underlying health conditions affecting the kidneys.

Q3: What can cause low sodium levels in urine?

A: Low sodium levels in urine may occur due to conditions that affect sodium reabsorption by the kidneys, such as Addison’s disease.

Q4: How is sodium balance in the body maintained?

A: Sodium balance is regulated by the kidneys, hormones, and dietary intake. The body strives to maintain a balance to ensure proper cellular function.

Q5: Can sodium imbalances affect blood pressure?

A: Yes, sodium imbalances can contribute to high blood pressure, particularly when there is excessive sodium intake or impaired sodium excretion by the kidneys. Monitoring sodium levels can help manage blood pressure.

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