Anthony Horner, MD
Associate Medical Director, Immunology, San Juan Capistrano, California
Dr. Horner is a board-certified pediatrician with subspecialty certification in allergy and immunology. More about professional consults.
Allergy Testing
With ImmunoCAP®, you can test for allergies and atopic disease in patients, regardless of age or skin condition, without worry of triggering a potentially life-threatening reaction.
Help educate your patients about allergy testing
Help your patients understand more about allergy testing. Order our complimentary Allergy patient brochures for your office.
Identify the cause
Allergies, respiratory infections, and asthma often present with similar symptoms. With the ImmunoCAP® blood test, you can quantitatively measure specific IgE antibody levels and identify specific allergic sensitivities.
Quest Diagnostics Interpretive Guides
See our guides for details on test selection, utilization, and interpretation. All information is based on peer-reviewed publications and practice guidelines.
News for Physicians
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Quest Diagnostics Nichols Institute
For more than three decades, our Nichols Institute has pioneered many new tests and technologies and has often been first in advances in laboratory testing.