The marker "Sodium, Random Urine" is used to measure the amount of sodium excreted in the urine at any given time without the need to collect urine over a specified period. Sodium is an essential electrolyte in the body, crucial for regulating blood pressure, maintaining fluid balance, and ensuring the proper function of nerves and muscles.
Measuring urinary sodium can help healthcare providers assess a patient's sodium balance and kidney function. This test is often performed alongside a creatinine test, another key marker for kidney function, to provide a more comprehensive view of a patient’s renal health. The ratio of sodium to creatinine helps correct for urine concentration, making the results more reliable, especially in random urine samples where the fluid intake can vary. This panel is particularly useful in diagnosing and monitoring conditions that affect the body's fluid and electrolyte balance, such as dehydration, kidney disorders, or hypertension. It can also be instrumental in evaluating how well the kidneys are responding to various treatments and medications that affect sodium balance.
Every lab result you’ve ever had, charted and explained.
Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.
Start with my report →All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.