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Advanced Kidney Test - Thorough Kidney Function Check - Verisana Lab

Advanced Kidney Test

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Our Advanced Kidney Test offers a comprehensive evaluation of kidney function by measuring four essential markers. This convenient at-home test serves as a vital tool for the early detection of potential kidney health concerns.

Availability: deliverable immediately
  • Details
  • Test measures
  • Symptoms
  • Sample collection guide
  • Reviews
Who should take the test?

The Advanced Kidney Test, which measures four key markers (BUN, Creatinine, Albumin, and eGFR), is a crucial tool for anyone concerned about their kidney health. Whether you have a history of kidney problems, risk factors like high blood pressure or diabetes, or are experiencing symptoms such as fatigue, headaches, or nausea, this at-home test offers a comprehensive evaluation of kidney function

Given the vital role kidneys play in removing waste from the body, purifying blood, and regulating blood pressure, monitoring their function is essential.

How does it work?

Once your order has been processed, you will be sent a blood sample collection kit. You collect your sample from the comfort of your own home and send it right back to our CLIA-certified partner laboratory. We analyze your sample and inform you that your results have been uploaded to your confidential account on our secure website.

What guidance will I get along with my results?

Following the completion of the analysis, you will receive a lab report that includes explanations for the analyzed markers and details on potential symptoms linked to imbalances. Additionally, we strongly advise that you discuss the results you receive from us with your healthcare provider or practitioner.

Moreover, additional information can be found on our website, particularly within various test categories, “health conditions,” and the Frequently Asked Questions (FAQs) section. If you have any further inquiries, please feel free to reach out to us by sending an email to

How is my privacy protected?

Samples for our tests are collected in the privacy of your own home. Both we and our partner laboratories (which may be contracted by us to conduct some or all analyses of your test) take customer privacy very seriously.

You will be the sole person with access to this information, and we guarantee that we will not disclose your information to any unauthorized third parties. Additionally, all samples will be disposed of after analysis. Both our Verisana portal for registering kits and receiving results as well as our CLIA-certified partner laboratories are fully HIPAA-compliant.

Test measures
For the Advanced Kidney Test we analyze:
  • BUN
  • Creatinine
  • Albumin
  • eGFR

Blood urea nitrogen (BUN) is a waste product resulting from protein breakdown in the body, with healthy kidneys filtering it from the bloodstream into urine. Decreased BUN levels are uncommon and generally not concerning, occasionally linked to malnutrition or overhydration. Conversely, elevated BUN levels may indicate kidney inefficiency in removing urea from the blood, offering insight into kidney function.

Symptoms of kidney dysfunction include fatigue, concentration issues, insomnia, swelling, urine changes, back pain, high blood pressure, nausea, and appetite loss. During pregnancy, BUN levels often fluctuate and remain generally unalarming, while high-protein diets or gastrointestinal bleeding can also raise BUN levels due to increased protein breakdown.

Creatinine (CREAT)

Creatinine (CREAT) is another waste product, originating from the breakdown of creatine, a crucial molecule in muscle metabolism. Healthy kidneys efficiently eliminate creatinine from the bloodstream through urine, making blood creatinine levels a reliable indicator of kidney function. Reduced creatinine levels may signify diminished muscle mass due to aging, diseases like muscular dystrophy, or a very low-protein diet, while slight decreases during pregnancy are typically not concerning.

Conversely, elevated blood creatinine levels suggest kidney disease or conditions affecting kidney function, such as bacterial infections, reduced kidney blood flow due to dehydration, congestive heart failure, or diabetes, kidney stones, high-protein diets, or temporary increases due to muscle injury.


Albumin, produced by the liver, is essential for fluid balance and transporting substances. In assessing kidney health, blood albumin levels are crucial. Low levels can signal kidney problems, often seen in conditions like chronic kidney disease, where kidney function affects albumin retention. High levels are rare and often linked to factors like dehydration. Albumin levels are a key component in kidney function tests, aiding in the evaluation of the kidneys’ ability to maintain protein levels and overall renal health.


Estimated Glomerular Filtration Rate (eGFR) is a crucial measure for assessing kidney function, gauging how efficiently the kidneys filter blood and remove waste. Calculated based on blood creatinine levels, it factors in age, gender, and race for accuracy. eGFR values are pivotal in diagnosing and staging chronic kidney disease (CKD), revealing the remaining kidney function. Typically, a healthy eGFR is above 60 mL/min/1.73m², though lower values in older adults may not always indicate disease. Lower eGFR levels signify declining kidney function, with values below 15 mL/min/1.73m² indicating kidney failure.

It’s essential to remember that eGFR is an estimate affected by factors like medications, diet, and dehydration, with some variation in measurements. For those with eGFR near or below 60 mL/min/1.73m² or rapid declines, consulting healthcare professionals is crucial.

Regular eGFR monitoring, especially for at-risk individuals, like those with diabetes, hypertension, or a family history of kidney problems, is vital for early detection and managing kidney health, allowing timely measures to preserve kidney function and prevent CKD-related complications.

Symptoms the Advanced Kidney Test is suitable for:
  • Swelling
  • Fatigue
  • Changes in urine color or frequency
  • Nausea
  • Headaches
Sample collection guide

Please read the following instructions in detail before starting with the sample collection.

Please download the instructions here


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Any Questions?

Here are some of the most frequently asked questions regarding this test. Your question is missing? Please contact us at:

What exactly is the Advanced Kidney Test, and how does it work?

The Advanced Kidney Test is a home-based evaluation of kidney function. It measures four crucial markers: BUN, creatinine (CREAT), albumin, and eGFR. These markers provide insights into how effectively your kidneys are filtering your blood.

Why should I consider taking the Advanced Kidney Test?

This test is essential for early detection of potential kidney health concerns. Your kidneys play a vital role in removing waste products, cleaning your blood, and regulating blood pressure. Monitoring their function can help prevent complications associated with abnormal kidney function.

What symptoms or signs may indicate a need for the Advanced Kidney Test?

Symptoms such as fatigue, headaches, nausea, unexplained changes in urine, swelling, and high blood pressure can be indicative of kidney health issues. If you experience these symptoms or have risk factors, consider taking the test.

How often should I take the Advanced Kidney Test?

The frequency of testing may vary based on your individual health circumstances and risk factors. It's advisable to consult with your healthcare professional for personalized recommendations.

I am not getting enough blood from my finger, what can I do?

In order to draw more blood from your finger, begin by warming your hand under running warm water for a few moments and gently rotate your arm to enhance blood circulation. When it's time to prick your finger, aim for the side of the finger rather than the tip. It's often easier to use the middle or ring finger of your non-dominant hand. To prevent any involuntary withdrawal during the piercing, place your finger firmly on a stable surface. Finally, apply a gentle squeeze and massage towards the fingertip to encourage blood flow.

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