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A Urea and Electrolytes (U&E) blood test checks how well your kidneys are working and assesses your body’s fluid and electrolyte balance. It is commonly used to detect kidney problems, dehydration, and electrolyte disturbances that can affect overall health.
The test typically measures:
This test helps identify:
While exact values may vary slightly between laboratories, typical reference ranges are:
|
Parameter |
Normal Range |
|---|---|
|
Urea |
2.5 – 7.8 mmol/L |
|
Creatinine (male) |
64 – 104 µmol/L |
|
Creatinine (female) |
49 – 90 µmol/L |
|
Sodium |
133 – 146 mmol/L |
|
Potassium |
3.5 – 5.3 mmol/L |
|
Chloride |
95 – 108 mmol/L |
|
Bicarbonate (HCO3-) |
22 – 29 mmol/L |
Any abnormal findings will be explained clearly, with guidance on next steps if follow-up is needed.
Monitor your kidney function and electrolyte balance with a quick and reliable blood test.
Book your private U&E test today at our London clinic.
Fasting is generally not required. Specific instructions will be provided if needed.
Your results will be ready within 1 working day.
We will explain your results in detail and advise you on appropriate follow-up if necessary.