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Quest Diagnostics

Renal Function Panel

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

This test is crucial for monitoring individuals with chronic kidney disease (CKD) or for those at high risk of developing kidney diseases, such as people with high blood pressure, diabetes, heart disease, or a family history of kidney issues. It's often part of wellness checks and used in emergency situations when kidney disease symptoms are suspected.


  • Creatinine
  • BUN/Creatinine Ratio
  • Estimated Glomerular Filtration Rate
  • Albumin
  • Calcium
  • Blood Urea Nitrogen
  • Carbon Dioxide
  • Chloride
  • Potassium
  • Sodium
  • Phosphate (as phosphorus)
  • Glucose (Blood)

Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected

Renal Function Panel
This test is crucial for monitoring individuals with chronic kidney disease (CKD) or for those at high risk of developing kidney diseases, such as people with high blood pressure, diabetes, heart disease, or a family history of kidney issues. It's often part of wellness checks and used in emergency situations when kidney disease symptoms are suspected.

Why might someone need this test?
Early signs of kidney disease can be vague. This panel helps catch and monitor CKD early, especially recommended by the National Kidney Foundation for its effectiveness in detecting kidney issues through estimated glomerular filtration rate and albumin-creatinine ratio.

What type of sample is required for this test?
1 mL serum is needed for this test.

Understanding Your Results
Test results should be viewed alongside your medical and family history, as well as findings from physical exams, to ensure a comprehensive understanding of your kidney health.

3–5 business days


  • Kidney

Fasting for 8 hours before your blood draw is recommended but not required.
  • Fasting before a blood draw means you don't eat or drink anything except water. 
  • Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:

Quest Diagnostics Patient Service Centers (PSC)

  • Location: Visit a nearby Quest Diagnostics Patient Service Center.
  • Cost: $10 sample collection fee (paid during lab order checkout).
  • Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
  • Collection Instructions:
    • Bring a valid ID.
    • Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
  • Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
  • More Info: Quest Diagnostics blood draw guide

Getlabs Mobile Phlebotomy

  • Location: Sample collection at your home or office.
  • Cost: $85 sample collection fee (paid during lab order checkout).
  • Availability: Available in most locations enter your ZIP code during checkout to confirm.
  • Scheduling: Schedule your appointment here through your Fullscript account.
  • Collection Instructions:
    • Have your digital or printed requisition form and valid ID ready.
    • Your phlebotomist will contact you by phone to coordinate arrival.
  • More Info: Getlabs blood draw guide

 Specimen
  • Preferred Specimen(s): 1 mL serum 
  • Alternative: NA 
  • Minimum Volume: 0.5 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Serum separator tube (SST) 
  • Transport Temperature: Room Temperature 
  • Specimen Stability
    • Room temperature: 72 hours 
    • Refrigerated: 72 hours 
    • Frozen: 28 days 
  • Reject Criteria
    • Moderate to gross hemolysis • Red-top tube (no gel) unspun and not separated from cells • Unspun serum separator tube (SST) 

State restrictions:

Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island

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