Urea & Electrolytes Test
The Urea & Electrolytes (U & E) blood test evaluates overall kidney function and hydration levels. It also assesses the balance of essential substances in your body to maintain a healthy fluid and electrolyte balance.
The Importance Of U & E Testing
A Urea & Electrolytes test checks for imbalances that can be caused by dehydration, kidney problems, heart issues, or certain medications. It is also a very useful test to help diagnose conditions like diabetes, heart disease, liver disease, and certain infections.
Normal results usually mean your kidneys, fluid balance, and electrolytes are working well. However, high or low levels may indicate a health issue.
When To Consider Getting Tested
A U & E test is usually recommended if you are struggling with kidney disease, have a history of kidney disease (or are at risk due to high blood pressure, diabetes, or a family history of kidney problems).
It is also recommended if you are experiencing symptoms of electrolyte imbalances. These include muscle weakness, fatigue, irregular heartbeats, or confusion, or signs of dehydration, such as a dry mouth, dizziness, or dark urine.
Since electrolytes like potassium and sodium are crucial for heart function, individuals with heart conditions (heart failure, arrhythmias, or high blood pressure) may need regular U & E tests too.
Lastly, if you have diabetes or are undergoing dialysis treatment for kidney failure, you will definitely need frequent monitoring of your urea and electrolytes to ensure proper management of your overall kidney function.
A Quick Look At Possible Outcomes
Normal levels can vary depending on your age and gender. If your results are outside the normal range, it could lead to more testing.
High urea levels may suggest kidney disease, dehydration, or a high-protein diet. Whereas lower urea levels could indicate liver disease, malnutrition, or too much fluid intake.
An electrolyte imbalance may point to dehydration, kidney disease, hormonal issues, or other conditions.
Core Blood Markers
Core markers analysed include your urea, creatinine, sodium (Na+), potassium (K+), and chloride (Cl-) levels. This provides important insights into your kidney health, fluid balance, and overall metabolic function.
PRICING
Urea & Electrolytes Test
Initial Consultation: Free
Blood Draw Fee: This fee is in addition to the cost of all blood tests taken face-to-face at Healand Clinic: £30
Home Nurse Blood Draw Fee: If you opt to have a nurse visit your home to draw your blood sample, this is carried out via our partner service via our laboratory, which incurs a fee of £60
Pre-Test Information
You usually do not need to fast to take a U & E test unless your healthcare provider tells you otherwise. It is important to inform your healthcare provider about any medications you are currently taking. Also, make sure to stay adequately hydrated before the test.
Patients must be over the age of 18
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FAQs
What can a U & E blood test diagnose?
Why are your electrolyte levels important?
Electrolytes are minerals in your blood that carry an electrical charge. They help maintain fluid balance, nerve function, muscle contractions, and pH balance. Imbalances in certain electrolytes (like sodium, potassium, and chloride) can lead to symptoms like fatigue, weakness, an irregular heartbeat, or kidney failure.
What can cause abnormal urea levels?
Abnormal levels can be caused by kidney disease, dehydration, liver disease, or high-protein diets. Certain medications can also affect kidney function or protein metabolism, leading to elevated urea levels.
What do unusual sodium or potassium levels indicate?
Sodium is crucial for maintaining fluid balance and proper nerve and muscle function. Abnormally low or high sodium levels can indicate dehydration, kidney problems, or conditions like heart failure. Potassium is essential for normal heart and muscle function, whereas low potassium (hypokalemia) can result from kidney disease, while high potassium (hyperkalemia) can cause irregular heart rhythms.
Can a U & E test help track kidney disease treatment?
Doctors often use U & E results to track changes in kidney function. They also use it to assess the effectiveness of treatments (like dialysis) and adjust medications where needed.
