Test library
Kidney Function Chemistry Panel
This blood panel groups 12 chemistry measurements used to assess how well the kidneys are filtering and balancing the blood. It supports monitoring of kidney health alongside a clinical evaluation.
Order Kidney (Renal) Function Test Panel
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Kidney (Renal) Function Test Panel- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Kidney Function Test Panel is a group of 12 blood chemistry measurements used to evaluate how well the kidneys are working. It combines filtration markers such as creatinine and blood urea nitrogen with electrolytes, minerals, and proteins that the kidneys help regulate. The panel is ordered to screen for or monitor kidney conditions and is interpreted alongside the person's health history.
What this test measures
The kidneys filter waste from the blood, balance fluid and electrolytes, and help control blood pressure and red blood cell production. A kidney function panel looks at markers that reflect these roles. Creatinine and blood urea nitrogen are waste products that rise when filtration slows, while an estimated glomerular filtration rate calculated from creatinine provides a picture of overall filtering capacity.
The panel also includes electrolytes such as sodium, potassium, chloride, and bicarbonate, along with minerals including calcium and phosphorus, and proteins such as albumin and total protein. These measurements show how well the kidneys are maintaining the internal environment of the body. Some configurations also include glucose because diabetes is a common contributor to kidney disease.
Clinicians order this panel to screen people with diabetes, high blood pressure, or a family history of kidney problems, and to follow those with known kidney conditions. It may be part of a routine health assessment or a more focused workup. Results are interpreted by a qualified healthcare provider with attention to hydration, medications, and other factors.
- Serum creatinine
- Blood urea nitrogen (BUN)
- Estimated glomerular filtration rate (eGFR)
- Sodium
- Potassium
- Chloride
- Carbon dioxide (bicarbonate)
- Calcium
- Phosphorus
- Albumin
- Total protein
- Glucose when included
Why people order this test
- Screen for kidney problems in people with diabetes or high blood pressure
- Monitor kidney function when a kidney condition is already known
- Investigate swelling, fatigue, or changes in urination
- Follow the kidney effects of some long-term treatments
- Assess electrolyte and mineral balance
- Evaluate kidney function before or after certain medical procedures
How to prepare
Fasting may be requested if the panel includes glucose, and the ordering clinician will provide specific instructions. Otherwise, hydration and timing guidance varies by lab. Follow the collecting facility's instructions for the blood draw.
Understanding your results
Results are usually available within one to three business days. Values outside the reference ranges can reflect reduced filtration, electrolyte imbalances, or other changes, but they are not a diagnosis by themselves. A qualified healthcare provider interprets the panel with the person's history and may order additional tests.
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Frequently Asked Questions
What does the kidney function panel measure?
It measures creatinine, blood urea nitrogen, an estimated filtration rate, electrolytes, minerals, and proteins such as albumin that reflect how the kidneys are working.
Do I need to fast for this panel?
Fasting may be requested if glucose is included. The ordering clinician or lab provides the specific instructions to follow.
Is one abnormal value serious?
A single value outside the range does not automatically mean disease. Results are interpreted together, and repeat or additional testing may be suggested.
Can hydration affect the results?
Yes. Hydration status can influence several markers, which is why the sample is interpreted with the person's overall condition.
How is eGFR calculated?
The estimated glomerular filtration rate is calculated from the creatinine level along with factors such as age and sex. A clinician explains what the estimate means.
Who typically orders this panel?
Primary care clinicians, nephrologists, and other providers order it for screening, monitoring, or evaluating symptoms related to kidney function.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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