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Quest Diagnostics

Red Top Grass (g9) IgE

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

This test measures the IgE antibody levels in the blood to check for an allergic reaction to Red Top Grass. It's a specific way to identify if this common allergen is causing your allergy symptoms.


  • Red top grass (g9) ige

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

Red Top Grass (g9) IgE
This test measures the IgE antibody levels in your blood to check for an allergic reaction to Red Top Grass. It's a specific way to identify if this common allergen is causing your allergy symptoms.

What patients is this test right for?
This test is suitable for individuals who show signs of an allergic reaction, especially during certain times of the year when Red Top Grass pollen is prevalent.

Symptoms may include: 
  • Sneezing
  • Runny or blocked nose
  • Itchy, red, or watery eyes
  • Wheezing, chest tightness, shortness of breath, and a cough
  • A raised, itchy, red rash (hives)
  • Swollen lips, tongue, eyes, or face
  • Tummy pain, feeling sick, vomiting, or diarrhea
  • Dry, red, and cracked skin

What type of sample is required for this test?
0.3 mL serum. 
A small blood sample is needed.

Test Resources:
For more information on understanding your test results, you might find the following link helpful:


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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