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Quest Diagnostics

Carbon Dioxide

Quest Diagnostics

Sample type: Whole blood

Requires fasting: No

Phlebotomy required


Details

Carbon Dioxide Test - This test is crucial for diagnosing and treating various serious conditions that affect the body's acid-base balance.


  • Carbon Dioxide

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

Carbon Dioxide Test
This test is crucial for diagnosing and treating various serious conditions that affect the body's acid-base balance.

What patients is this test right for?
This test may be recommended for individuals experiencing symptoms or conditions that can alter the body's acid-base balance like those related to the respiratory system, kidney disease, and metabolic disturbances.

What type of sample is required for this test?
1 full unopened spun gel barrier tube.
Proper collection of the specimen is crucial for accurate results. 
Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube.

Test Resources
For more information, please consult your healthcare provider.


2–5 business days


Carbon Dioxide                  20-32 mmol/L
Carbon Dioxide (High Altitude)  18-30 mmol/L


  • Electrolytes
  • Metabolic function

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 full unopened spun gel barrier tube 
  • Alternative: NA 
  • Minimum Volume: 0.5 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Unopened gel barrier tube 
  • Transport Temperature: Room Temperature 
  • Specimen Stability
    • Room temperature: 72 hours 
    • Refrigerated: 72 hours 
    • Frozen: 31 days 
  • Reject Criteria
    • Anticoagulants other than heparin • Red-top tube (no gel) 

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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