Check on your kidney health to monitor function and performance. Collect your sample at home and get online lab results in 2 to 5 days.
We test for:
eGFR (Estimated Glomerular Filtration Rate)
About this test
About this test
When to collect your sample
The sample must be collected using the home collection kit* provided before 10 am on a Monday, Tuesday, Wednesday, or Thursday and returned on the same day. This ensures that your sample reaches the lab as soon as possible.
It is recommended that protein-heavy meals are avoided before collecting your sample, as high protein intake can affect these test results. This includes foods such as red meat, protein shakes, and supplements.
Your kidneys are responsible for filtering your blood and removing waste products through your urine. They also manage water retention and control ion concentrations and the acid balance in your blood.
Symptoms of acute kidney failure may include:
Urinating less frequently or producing a reduced volume of urine
Shortness of breath
Swelling in the legs, ankles, and feet
Who should take this test
This test will indicate how your kidneys are performing by measuring levels of urea, creatinine, and eGFR. High levels of urea, creatinine and a low eGFR can indicate acute or chronic kidney infection.
You should take the test if:
You have a high-protein diet
You have used or are using performance-enhancing drugs
You are taking anti-inflammatory medication
You suffer from high blood pressure
You suffer from diabetes
You have suffered an acute injury
You have persistent urinary tract infections
You have a kidney infection or a family history of one
You have kidney stones or a family history of them
Urea is a waste product formed from the breakdown of proteins and is passed out in your urine. A high level of urea ('uremia') indicates that the kidneys may not function optimally or that you are dehydrated.
Creatinine is a waste product made by your muscles and dietary protein. Creatinine passes into the bloodstream and is usually passed out in urine. A high blood level of creatinine indicates that the kidneys may not be working properly.
eGFR (estimated glomerular filtration rate)
eGFR (estimated glomerular filtration rate) is a calculation that determines how well your kidneys are filtering blood.
How it works
Collect your sample
Activate your collection kit and collect your sample in the morning. Return your sample on the same day, using the prepaid shipping label provided.
Review accurate results
Once your sample arrives in the laboratory, confidential results will be available from your secure online account within 2 to 5 days.
Get medical support
Our dedicated clinical team is here to support you and may call you to explain your results and provide guidance on your next steps.
Still have questions?
Here are some questions we usually get about LetsGetChecked. If you would like yours answered, please contact us.
Activating the kit connects you to the unique alphanumeric barcode within your LetsGetChecked sample collection kit box. The laboratory cannot process your sample if the kit is not activated and linked to you. You should only activate your kit when you are ready to take your sample.
Yes. LetsGetChecked has a team of doctors, nurses, and healthcare clinicians who will review your order and results and have created detailed result breakdowns for your testing journey.
Our clinical team is on standby throughout the testing process and, if your test results are abnormal, you will receive a call to discuss your results and the next steps.
Please ensure that the sample is collected before 10 am and returned immediately using the carrier method provided within the sample collection kit. Each of our kits includes a prepaid delivery envelope to return your samples to the laboratory.
Please do not collect or return samples on a Friday, Saturday, or Sunday.
Keeping your personal data secure is important to us. We use appropriate technical and organizational measures to ensure security and confidentiality of your information, and only share your information where required to deliver our products and services or where we have a legal basis to do so. All samples are disposed of following analysis.
Your samples are processed in the same labs used by primary care providers, hospitals, and government programs.
LetsGetChecked laboratories are CPA-approved and ISO accredited, which are the highest levels of accreditation.
Sample collection kits are manufactured within our ISO 13485 accredited facility, the highest level of accreditation for medical devices.
We don't accept insurance at this time. We work to keep our tests as affordable as possible and our test costs are generally lower than the costs incurred from a trip to a healthcare provider.