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Quest Diagnostics

Cardio IQ Insulin

Quest Diagnostics

Sample type: Serum

Requires fasting: Yes

Phlebotomy required


Details

Cardio IQ® Insulin Test - This test is crucial for diagnosing conditions related to high levels of insulin, such as hyperinsulinemia, in individuals experiencing low blood sugar (hypoglycemia).


  • Insulin

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

Cardio IQ® Insulin Test
This test is crucial for diagnosing conditions related to high levels of insulin, such as hyperinsulinemia, in individuals experiencing low blood sugar (hypoglycemia).

What patients is this test right for?
This test is particularly useful for individuals showing symptoms of low blood sugar, which might suggest hyperinsulinemia. Symptoms can include: 
  • Shakiness
  • Sweating
  • Hunger
  • Confusion
  • Heart palpitations
  • Dizziness

What type of sample is required for this test?
1 mL serum, minimum 0.5 mL.

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


3–6 business days


≤18.4 uIU/mL

Risk       uIU/mL
Optimal       ≤18.4
Moderate      N/A
High          >18.4

Adult cardiovascular event risk category cut points (optimal, moderate, high) are based on Insulin Reference interval studies performed at Quest Diagnostics in 2022.

  • Cardiovascular
  • Metabolic function
  • Nutrition
  • Hormones

Overnight fasting is 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: Transport tube 
  • Transport Temperature: Refrigerated (Cold Packs) 
  • Specimen Stability
    • Refrigerated: 7 days 
    • Frozen: 28 days 
  • Reject Criteria
    • Hemolysis • Plasma • Grossly icteric 

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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