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Quest Diagnostics

Comprehensive Metabolic Panel without CO2, ALT

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

The Comprehensive Metabolic Panel is a series of tests that give a broad overview of your body's chemical balance and metabolism. It checks your blood for levels of certain minerals (electrolytes), calcium, phosphorus, and sugar (glucose), and assesses kidney and liver function, along with acid-base balance. This panel is often part of a routine health check to spot any disorders, particularly those affecting the liver or kidneys.


  • Creatinine
  • Albumin/Globulin Ratio
  • Total Bilirubin
  • Globulin (Calculated)
  • BUN/Creatinine Ratio
  • Estimated Glomerular Filtration Rate
  • Alkaline Phosphatase (ALP)
  • Albumin
  • Calcium
  • Blood Urea Nitrogen
  • Chloride
  • Potassium
  • Sodium
  • Aspartate Aminotransferase (AST)
  • Glucose (Blood)
  • Protein, Total

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

Comprehensive Metabolic Panel
This is a series of tests that give a broad overview of your body's chemical balance and metabolism. It checks your blood for levels of certain minerals (electrolytes), calcium, phosphorus, and sugar (glucose), and assesses kidney and liver function, along with acid-base balance. This panel is often part of a routine health check to spot any disorders, particularly those affecting the liver or kidneys.

What does this test measure?
  • Sodium: Helps keep the body's water and pressure in balance.
  • Potassium: Important for muscle and nerve function.
  • Chloride: Helps maintain the body's fluid balance.
  • Glucose: The body's main energy source.
  • Calcium: Essential for heart, nerve, and muscle health, and for making bones strong.
  • Blood Urea Nitrogen (BUN) & Creatinine: Waste products measured to check kidney function.
  • eGFR: Estimates kidney function based on creatinine and other factors.
  • Phosphate: Important for energy production and bone health.
  • Albumin & Total Protein: Proteins that carry substances in the blood and support overall health.
  • Total Bilirubin: Helps identify liver or blood disorders.
  • Alkaline Phosphatase & Aspartate Aminotransferase (AST): Enzymes that can indicate liver or bone disease.

Who might need this test?
This test is useful for anyone undergoing a health examination, especially if there's a concern about liver or kidney health. It's also helpful in diagnosing and managing conditions like diabetes, electrolyte imbalances, and bone disorders.

What type of sample is required?
2 mL serum.

Test Resources
For more information, visit Testing.com and the book Wallach's Interpretation of Diagnostic Tests by Rao LV.


2–5 business days


  • Liver/Gallbladder
  • Kidney
  • Electrolytes
  • Metabolic function

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): 2 mL serum 
  • Alternative: NA 
  • Minimum Volume: 1 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Serum separator tube (SST) 
  • Transport Temperature: Room Temperature 
  • Specimen Stability
    • Room temperature: 48 hours 
    • Refrigerated: 72 hours 
    • Frozen: 5 days 
  • Reject Criteria
    • Gross hemolysis • Plasma 

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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