The most common places to get an allergy test are an allergist’s office, your primary care doctor, or a lab testing facility. Where you go depends on the type of test you need. Skin prick testing requires a specialist’s office with emergency equipment on hand, while blood-based allergy testing can be done at almost any doctor’s office or walk-in lab.
Allergist’s Office
A board-certified allergist is the gold standard for allergy testing. These specialists can perform skin prick tests, blood panels, oral food challenges, and medication challenges, giving you the widest range of diagnostic options in one place. Skin prick testing, where small amounts of allergens are introduced into the skin on your forearm, must be done in a clinical setting with resuscitation equipment available because there’s a small risk of a severe reaction. Results show up within about 15 to 20 minutes.
You can find a certified allergist through the American Board of Allergy and Immunology’s online directory, which is updated daily. Many allergists accept walk-in or self-referred appointments, though some require a referral from your primary care doctor depending on your insurance plan. If you suspect food allergies, drug allergies, or have a history of anaphylaxis, an allergist is the right starting point.
Primary Care Doctor or Pediatrician
Your regular doctor can order blood-based allergy testing, which measures levels of allergy-specific antibodies in your blood. A nurse draws a standard blood sample in the office or sends you to a nearby lab. Results typically take a few days. This route works well if you want a broad screening for common allergens like dust mites, pet dander, pollen, or foods like egg, peanut, milk, and soy.
Blood testing is also the better option if you have widespread eczema or a skin condition that would make skin prick results unreliable, if you can’t stop taking antihistamines, or if you’re elderly (skin reactivity declines with age, which can throw off prick test readings). The tradeoff is that blood tests cost more and have lower specificity for some food allergens, with accuracy rates for certain foods hovering between 38% and 59%. Your doctor can refer you to an allergist if blood results are inconclusive or if you need further evaluation.
Lab Testing Facilities
National lab companies like Labcorp offer blood-based allergy testing at thousands of locations. You can sometimes order a test panel online or through your doctor’s referral, then walk into a local draw site for the blood sample. This is convenient if your primary care office doesn’t do blood draws on-site. These labs run the same type of antibody testing your doctor would order, and results go back to your referring provider.
Retail and Urgent Care Clinics
Retail clinics like CVS MinuteClinic can evaluate your allergy symptoms and prescribe treatment, but they do not perform diagnostic allergy testing on-site. A provider at one of these clinics can help manage symptoms with medication and, if your allergies aren’t well controlled, recommend formal testing or refer you to a specialist. Urgent care centers operate similarly: they’re useful for treating an acute allergic reaction but aren’t set up for the diagnostic workup you’d get at an allergist’s office.
Children’s Hospitals and Pediatric Allergists
For children, pediatric allergy clinics at children’s hospitals offer age-appropriate testing, including skin prick tests for airborne allergens, oral food challenges, and medication challenges. Skin prick testing is generally deferred for children under 2 because cooperation is difficult and skin reactivity at that age is less reliable. Pediatric allergists are experienced in working with kids and interpreting results in the context of a developing immune system. Many children’s hospitals have satellite offices in suburban locations, so you may not need to travel to the main campus.
Why At-Home Test Kits Are Not Recommended
At-home food sensitivity kits are widely marketed online, but allergy specialists and major medical organizations, including the American Academy of Allergy, Asthma and Immunology, recommend against using them. These kits measure a type of antibody called IgG, which simply reflects foods you’ve been eating recently. That means you’re very likely to get a high number of false positives. No clinical trials have demonstrated that these tests accurately identify food sensitivities or intolerances. Cleveland Clinic allergist Ahila Subramanian, MD, has described them as causing “more harm than benefit” because the long, alarming reports they generate lead people to unnecessarily eliminate foods from their diet.
If you suspect a food intolerance, a supervised elimination diet guided by your doctor or an allergist is far more reliable than anything you can order online.
What Testing Costs Without Insurance
Skin prick testing typically runs between $60 and $300 out of pocket, making it the more affordable option. Blood-based allergy panels range from about $200 to $1,000 depending on how many allergens are included. Most insurance plans cover allergy testing when ordered by a physician, but coverage varies. If cost is a concern, ask your doctor’s office about the specific panel being ordered and call your insurer to confirm what’s covered before the appointment.
How to Prepare for Your Test
If you’re getting a skin prick test, you’ll need to stop taking antihistamines and certain other medications at least seven days beforehand. This includes over-the-counter options like cetirizine and diphenhydramine, as well as some psychiatric medications that can suppress skin reactivity. Your allergist’s office will give you a specific list when you schedule the appointment. Blood-based testing doesn’t require stopping any medications, which is one reason doctors choose it for patients who can’t go without antihistamines.
Skin prick tests deliver results in the office the same day. Blood tests take a few days to process, and your doctor will typically call or message you through a patient portal once the lab report is back.