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Electrolytes, Urea & Creatinine (EUC) Blood Test

Kidney & Urinary

Concerned about kidney health, have high blood pressure or diabetes, or want to assess kidney function for optimal health and disease prevention?

The Electrolytes, Urea & Creatinine (EUC) Blood Test measures salts, minerals, and waste products in your blood to check kidney and metabolic health. Abnormal results may be linked to dehydration, kidney disease, or imbalances affecting your heart, muscles, and overall energy.

You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.

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1
Book your test

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Choose the testing that suits your goals. After ordering, you will receive your referral by email.

2
Collect your samples

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Have your sample collected at one of our 4000+ partner collection centres.

3
View your results

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View your lab results and receive a personalised review from the secure Bloody Good platform.

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Overview

Think of your kidneys as your body's master filtration system – they're constantly working behind the scenes to clean your blood, balance your body's fluids, and keep essential minerals like sodium and potassium at just the proper levels. The EUC (Electrolytes, Urea, and Creatinine) test gives a comprehensive snapshot of how well this vital system performs by measuring waste products your kidneys should filter out and the key electrolytes they help regulate.

This test is particularly valuable because kidney problems often develop silently, without apparent symptoms, until they're pretty advanced. If your results show elevated waste products like creatinine or urea, or if your electrolytes are out of balance, it could signal that your kidneys are struggling to keep up with their filtering duties. Since your kidneys also play crucial roles in controlling blood pressure and supporting bone health, catching any issues early through EUC testing can help prevent more serious complications down the road and keep your entire body functioning at its best.

Before undergoing the EUC blood test, it is important to note that you need to fast for a specific period to ensure accurate results. This is especially crucial when assessing your creatinine level and overall renal function. The test measures your urea and creatinine levels, bicarbonate, and other electrolytes to provide a clear picture of your kidney health. Abnormal results may suggest reduced kidney function or kidney disease, making it essential to follow the guidelines provided by your healthcare provider.

Reviewed by Dr. Vu Tran
Bloody Good’s Chief Medical Officer

You may benefit from the Electrolytes, Urea & Creatinine (EUC) Blood Test

This test is essential for individuals with diabetes, hypertension, kidney disease risk, or anyone needing a comprehensive kidney function assessment through a group of tests.

High blood pressure readings Swelling around eyes or face Comprehensive metabolic panel

How to prepare

No special preparation required. Inform healthcare provider of all medications, especially those affecting kidney function, and any recent changes in diet or fluid intake.

Understanding results

Address abnormal kidney function through blood pressure control, diabetes management, medication adjustments, and lifestyle modifications, including regular kidney function tests. Work with nephrologists for kidney disease management.

After the test

Address abnormal kidney function through blood pressure control, diabetes management, medication adjustments, and lifestyle modifications. Work with nephrologists for kidney disease management.

Frequently Asked Questions

  • It measures electrolytes (sodium, potassium, chloride), waste products (urea, creatinine), and calculates kidney filtration rate (eGFR).
  • Abnormal results may indicate kidney disease, dehydration, medication effects, or other conditions affecting kidney function and require further evaluation.
  • Symptoms may include swelling, changes in urination, fatigue, nausea, high blood pressure, and in advanced cases, shortness of breath.
  • Common causes include diabetes, high blood pressure, autoimmune diseases, infections, genetic conditions, and certain medications or toxins.
  • Through blood pressure and diabetes control, staying hydrated, limiting salt intake, avoiding nephrotoxic medications, and regular monitoring.
  • Early kidney disease can sometimes be slowed or stabilised with proper treatment, but advanced kidney damage is generally irreversible.
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You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.

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Frequently Asked Questions

Find answers to common questions about our products and services.

Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.

If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.

Just your pathology referral form (we email it to you)

Of course. Just maybe don’t bring the friend who faints at the sight of blood.

They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.

Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.

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