Alpha Gal (Mammalian Meat) Allergy Test
Below is a plain-language overview of the alpha gal (mammalian meat) allergy test. The alpha-gal (mammalian meat) allergy test is a blood test that checks for antibodies your immune system may make against a sugar called alpha-gal, found in red meat and some animal products. It is usually ordered when a person reports delayed allergic symptoms—such as hives, stomach upset, or a drop in blood pressure—hours after eating beef, pork, lamb, or other mammal meat.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $178
- Referral
- Not required
The alpha-gal (mammalian meat) allergy test is a blood test that checks for antibodies your immune system may make against a sugar called alpha-gal, found in red meat and some animal products. It is usually ordered when a person reports delayed allergic symptoms—such as hives, stomach upset, or a drop in blood pressure—hours after eating beef, pork, lamb, or other mammal meat.
What it measures
- Alpha-gal specific IgE — The main marker; detects antibodies directed at the alpha-gal sugar.
- Total IgE — A general measure of allergic antibody levels, used for context.
- Beef specific IgE — Antibodies that react to beef proteins or sugars.
- Pork specific IgE — Antibodies that react to pork proteins or sugars.
- Lamb specific IgE — Antibodies that react to lamb proteins or sugars.
- Other mammal meats — Sometimes includes venison or other meats, depending on the lab.
Who it is for
The test is typically ordered by an allergist, primary care clinician, or other healthcare professional evaluating a suspected food allergy, especially when symptoms appear several hours after eating mammal meat.
Preparation
No fasting is required. Tell your clinician about all medicines, especially antihistamines, because some can affect allergy test results.
Results and what they mean
Results are reported as antibody levels, often with a reference range or class. A clinician interprets them alongside your symptoms and history; a positive result alone does not confirm an allergy. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the alpha gal (mammalian meat) allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to stop eating meat before the test?
Usually not. Your clinician will tell you if any changes are needed before testing.
How soon after eating meat can symptoms start?
Symptoms often begin two to six hours after eating mammal meat, which is later than many other food allergies.
Can the test be negative even if I have symptoms?
Yes. Test results and symptoms do not always match, so your clinician may consider other causes or repeat testing.
Does a positive result mean I must avoid all meat?
Not necessarily. A clinician will review your results and symptoms to decide what, if anything, you should avoid.