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Urine: Sodium LIS Code: Na-U

Check urine sodium levels with a private electrolyte test for hydration and kidney assessment.

£35 Urine sample Results in 4 hours

Before your test

Any time of dayBook whichever slot suits you
Usually no fastingAny preparation this test needs is listed in your booking email
Urine sampleWe'll explain how to give your sample
Results onlineIn your secure online account, with the lab's reference ranges
Where you can test: SloughVictoriaNeasden
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UKAS ISO 15189accredited laboratory
GMC-registereddoctors on hand
No GP referralbook directly
£35
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Order an at-home kit
⏱ Results in 4 hours · LIS: Na-U
ℹ️ TAT begins when your sample is received at our lab.
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Sample Collection: Urine
No phlebotomy fee applies for this test. Please follow any special instructions provided for sample collection.

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About this test

Urine Sodium Concentration Test in Slough

What is a Urine Sodium Test?
The urine sodium concentration test measures the amount of sodium excreted in the urine. This test is useful in assessing electrolyte balance, kidney function, and the body's response to fluid and salt regulation.

Why This Test is Performed
Measuring sodium levels in urine helps diagnose and monitor conditions such as:

Kidney disorders

Adrenal gland issues

Hyponatremia or hypernatremia (low or high blood sodium levels)

Congestive heart failure

Dehydration or fluid imbalance

Who Should Consider Urine Sodium Testing in Slough?
This test is recommended for individuals in Slough, Langley, Windsor, and surrounding areas who are experiencing:

Swelling or fluid retention

Persistent fatigue or weakness

Unexplained changes in blood pressure

Electrolyte imbalances detected in blood tests

Booking Instructions
The urine sodium concentration test is a specialist diagnostic procedure. Please contact your local laboratory directly for specific instructions and to schedule an appointment.

Book Your Urine Sodium Test in Slough Today
For accurate assessment of kidney function and sodium balance, arrange your urine sodium concentration test with a trusted diagnostic lab in Slough. Early testing supports timely diagnosis and helps guide effective treatment plans.

Our Professional Services Our diagnostic testing is carried out by Medical Diagnosis, a UKAS ISO 15189 accredited laboratory, ensuring all results meet the highest UK standards of quality and accuracy. Clinical consultations and treatments, including Testosterone Replacement Therapy (TRT) and Weight Management programmes, are delivered through Medical Diagnosis Victoria, which is registered with the Care Quality Commission (CQC). All clinical services are provided by GMC-registered doctors with extensive experience, following thorough medical assessment in line with UK regulatory standards.
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