A Renal Function Panel is a group of tests that evaluate how well your kidneys are working. The kidneys filter waste, balance fluids, and regulate electrolytes. This panel provides a comprehensive kidney health assessment.
What This Panel Measures
BUN (Blood Urea Nitrogen):
Waste product from protein breakdown filtered by kidneys
Creatinine:
Waste product from muscle metabolism filtered by kidneys
eGFR (Estimated Glomerular Filtration Rate):
Calculated measure of kidney filtering capacity
BUN/Creatinine Ratio:
Helps distinguish kidney problems from other causes
Electrolytes:
Sodium, potassium, chloride, CO2 – balanced by kidneys
Reference Ranges
• BUN: 7-20 mg/dL
• Creatinine: 0.7-1.3 mg/dL (men), 0.6-1.1 mg/dL (women)
• eGFR: 90+ mL/min is normal; below 60 may indicate kidney disease
Who Should Consider This Test
• Routine kidney health screening
• Diabetes (risk factor for kidney disease)
• High blood pressure (risk factor for kidney disease)
• Taking medications that affect kidneys
• Family history of kidney disease
• Monitoring known kidney disease
• Before starting certain medications
Understanding eGFR
eGFR stages of kidney function:
• Stage 1 (90+): Normal kidney function
• Stage 2 (60-89): Mild decrease
• Stage 3 (30-59): Moderate decrease
• Stage 4 (15-29): Severe decrease
• Stage 5 (<15): Kidney failure
How It Works
1. Order your test online – no doctor visit required
2. Visit any Quest Diagnostics location nationwide
3. Simple blood draw takes approximately 5 minutes
4. Results delivered to your secure portal within 1-2 business days
Preparation
No fasting required.
Related Tests to Consider
• Urinalysis – Urine markers of kidney health
• Comprehensive Metabolic Panel – Includes kidney markers plus liver
• Cystatin C – Alternative kidney function marker
Why Choose Wittmer Rejuvenation Clinic
At $15, our Renal Function Panel is affordably priced. We partner with Quest Diagnostics for reliable, CLIA-certified laboratory testing.
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