Kidney Testing

Kidney function tests evaluate how well your kidneys filter waste from your blood. Common tests include blood urea nitrogen (BUN), creatinine, and estimated glomerular filtration rate (eGFR).

What Is Kidney Testing?

Kidney function tests evaluate how well your kidneys filter waste from your blood. Common tests include blood urea nitrogen (BUN), creatinine, and estimated glomerular filtration rate (eGFR).

A blood draw and possibly a urine sample. These tests measure waste products and assess filtration efficiency.

Preparation & Requirements

Fasting is usually not required. However, you may be asked to avoid certain foods or supplements before testing.

Cost & Availability

Pricing for Kidney Testing typically ranges from $29 to $89. Costs may vary by location and specific test panel. Thousands of certified labs accept same-day appointments.

Result Turnaround Time

Results are generally available within 1-2 business days.

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Frequently Asked Questions

What are signs of kidney problems?

Symptoms include fatigue, swelling in legs or ankles, changes in urination, high blood pressure, and nausea.

How can I improve kidney function?

Stay hydrated, eat a balanced diet low in sodium, manage blood pressure and blood sugar, and avoid excessive use of NSAIDs.

Do I need a doctor's referral to order a lab test?

No. Many labs offer direct-to-consumer testing that allows you to order tests online without a doctor's referral.

Popular Cities

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What Is Kidney Testing?

Preparation & Requirements

Cost & Availability

Result Turnaround Time

Related Tests

Frequently Asked Questions

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