Kidney Health - Bloody Good
Kidney Health

Urea (Blood) Test

The Urea Blood Test checks how much urea, a waste product made when the body breaks down protein, is in your blood. High or low levels can point to kidney problems, dehydration, or liver issues, and the test is often used alongside other markers to assess overall kidney and metabolic function.

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Urea (Blood) Test

Concerned about kidney health, experiencing changes in urination or swelling, and want assessment of kidney function and protein metabolism for optimal health?

Overview

Think of urea as your body's leftover waste after it breaks down the proteins from your meals—kind of like the crumbs left behind after making a sandwich. Your liver creates this waste product, and your kidneys act like a sophisticated filtration system, cleaning it out of your blood and sending it away through your urine. The Urea test measures how much of this waste is floating around in your bloodstream, giving us a clear picture of whether your kidneys are doing their cleanup job effectively and how well your body is processing the proteins you eat.

When your urea levels are higher than normal, it's often a sign that your kidneys might be struggling to filter properly, you're dehydrated, or your body is breaking down more protein than usual. Lower levels might point to liver issues or nutritional concerns. This simple blood test is particularly valuable if you have diabetes, high blood pressure, or a family history of kidney problems, as these conditions can quietly affect your kidney function over time. By catching changes early, you and your healthcare provider can take steps to protect your kidney health and ensure your body's waste management system keeps running smoothly.

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

Symptoms

You may benefit from this test if you experience:
Swelling around eyes or face Flank pain or back pain related to kidneys Comprehensive metabolic panel Annual physical exam

Purpose

Essential for individuals with kidney symptoms, diabetes, high blood pressure, or anyone needing comprehensive kidney function and metabolic assessment.

How to prepare

No special preparation required. Inform healthcare provider of all medications, recent protein intake, and hydration status that might affect urea levels.

Understanding results

Results show urea levels compared to normal ranges. Elevated levels may indicate kidney dysfunction, dehydration, or increased protein breakdown requiring further evaluation and appropriate treatment.

After the test

Address abnormal urea through comprehensive kidney evaluation, appropriate treatments for kidney disease, dietary modifications, hydration management, and regular monitoring. Work with nephrologists if needed.

Frequently Asked Questions

  • Urea is a waste product from protein metabolism that's normally filtered by the kidneys; elevated levels can indicate kidney dysfunction or increased protein breakdown.
  • High urea may indicate kidney disease, dehydration, high protein intake, increased protein breakdown, or certain medications affecting kidney function.
  • Low urea may suggest liver disease, malnutrition, low protein intake, overhydration, or pregnancy, requiring further evaluation to determine the cause.
  • Both assess kidney function, but urea can be affected by diet, hydration, and protein metabolism, while creatinine is more specific to kidney function.
  • Factors include protein intake, hydration status, kidney function, liver function, certain medications, and conditions affecting protein metabolism.
  • Maintain good kidney health through proper hydration, balanced protein intake, blood pressure control, diabetes management, and regular medical monitoring.
Urea (Blood) Test

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What to expect

We want you to feel bloody good—inside and out. Regular testing isn’t just about checking your current health; it helps you spot abnormal values you might not know about.

1

Book your referral

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

2

Collect your sample

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3
Receive your results

Receive your results

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

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