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Quest Diagnostics

Penicilloyl G (c1) IgE

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

This test is designed to detect allergic reactions to penicillin by measuring the presence of specific IgE antibodies in the serum.


  • Penicilloyl G (c1) IgE

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

Penicilloyl G (c1) IgE
This test is designed to detect allergic reactions to penicillin by measuring the presence of specific IgE antibodies in the serum. It's crucial for individuals who may have a penicillin allergy, helping to prevent allergic reactions that can range from mild to potentially life-threatening.

What patients is this test right for?
This test is particularly important for individuals who have experienced or are at risk of experiencing allergic reactions to penicillin.

Symptoms of a penicillin allergy can include: 
  • Rashes
  • Hives
  • Itchy skin
  • Swelling of the face, lips, or tongue
  • Difficulty breathing
  • Anaphylaxis in severe cases

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 penicillin allergies and testing, individuals are encouraged to consult healthcare professionals.


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: Transport tube 
  • 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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