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Quest Diagnostics

Gluten (f79) IgE

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

Gluten (f79) IgE - This test measures the IgE antibody response to gluten, helping to identify potential gluten allergies. It's a precise lab test used alongside other clinical evaluations to diagnose food allergies. The test is especially useful in situations where skin testing isn't possible or advisable, such as with skin conditions, recent antihistamine use, uncooperative patients, or a high risk of severe allergic reactions.


  • Gluten (f79) ige

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

Gluten (f79) IgE
This test measures the IgE antibody response to gluten, helping to identify potential gluten allergies. It's a precise lab test used alongside other clinical evaluations to diagnose food allergies. The test is especially useful in situations where skin testing isn't possible or advisable, such as with skin conditions, recent antihistamine use, uncooperative patients, or a high risk of severe allergic reactions.

What patients is this test right for?
This test is ideal for individuals who may have a gluten allergy, especially if they have conditions or situations that make skin testing difficult or risky.

Understanding Your Results:
A positive result indicates sensitivity to gluten but doesn't confirm an allergy. Not everyone sensitive to gluten will have adverse reactions upon consuming it. A thorough evaluation by a healthcare provider is essential to diagnose a gluten allergy accurately. This test is a step in understanding your body's response to gluten but should be part of a broader clinical assessment.

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

Test Resources
For more detailed information about gluten allergies and this specific test, visit Phadia's Website.

References
  • Bernstein IL, et al. Ann Allergy Asthma Immunol. 2008;100(suppl 3):S1-S148.
  • Sampson HA, et al. J Allergy Clin Immunol. 2014;134:1016-1025.
  • Boyce JA, et al. J Allergy Clin Immunol. 2010;126(6 suppl):S1-S58.

2–5 business days


  • Allergies and sensitivities

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): 0.3 mL serum 
  • Alternative: NA 
  • Minimum Volume: 0.15 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Serum separator tube (SST) 
  • Transport Temperature: Room Temperature 
  • Specimen Stability
    • Room temperature: 14 days 
    • Refrigerated: 14 days 
    • Frozen: 30 days 
  • Reject Criteria: NA 

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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