Understanding Your Laboratory Test: What It Is, Why It May Be Ordered, and What to Expect During the Procedure
This blood test measures whether your immune system reacts to beef by releasing histamine, helping diagnose a beef allergy.
{"The test measures histamine released when your blood is exposed to beef proteins","It helps diagnose if you have an allergy to beef or beef products","A small blood sample is taken and mixed with beef allergens in a lab","Results show if your immune system overreacts to beef proteins"}
Key facts at a glance
- LOINC
- 7143-1
- Short code
- BEEFHIST
- Synonyms
- Beef BasoBnd Ab Qn
- Category
- chemistry
- Sample
- whole-blood
- Container
- Sodium heparin (green-top) or EDTA (lavender-top) tube for whole blood basophil activation testing; vacuum tube without separator gel preferred
- Units
- N/A
- Ref low
- 0
- Ref high
- 15
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 1 years
- Method
- Basophil activation test (flow cytometry) or histamine release assay using whole blood basophil challenge with beef allergen extract
- CPT
- 86003
- SNOMED
- 426700006
- Specimen volume
- 5-10 mL whole blood; minimum 3 mL for pediatric samples
- Stability
- Process within 4-6 hours of collection at room temperature (18-25°C); do not refrigerate or freeze as basophil function is time- and temperature-sensitive
- Hemolysis max
- 50
- Lipemia max
- 100
- Icterus max
- 20
- TAT
- 24–72 hours
- Order
- routine
What is this test, and why might my doctor recommend it for me?
The beef-triggered histamine release test is a blood test that checks if you are allergic to beef. When you have a beef allergy, your immune system mistakes beef proteins as harmful substances. This causes certain cells in your blood to release histamine, a chemical that triggers allergic symptoms. This test measures the amount of histamine released when your blood is exposed to beef allergens in a laboratory setting.
How is the test performed, and what happens during the procedure?
A healthcare professional will draw a small sample of blood from a vein in your arm. The blood sample is then sent to a laboratory where it is mixed with beef protein extracts. If you have antibodies against beef in your blood, the cells will release histamine. The laboratory then measures the histamine levels in your blood sample to determine if an allergic reaction has occurred.
Do I need to do anything special to prepare for this test, such as fasting or adjusting my medications?
No special preparation is typically required for this test. You can eat and drink normally before the blood draw. However, it is important to inform your doctor about any medications you are taking, as some medications may affect test results. Do not stop taking prescribed medications without consulting your healthcare provider.
Reference range
Negative: <15% histamine release or <15% basophil activation above negative control; results interpreted in conjunction with clinical history and total IgEN/A
No fasting required. Patients should discontinue antihistamines (H1 and H2 blockers), leukotriene modifiers, and oral corticosteroids for 5-7 days prior to testing as advised by clinician. Continue asthma medications and inhaled steroids unless otherwise directed.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is primarily used to diagnose beef allergy. A positive result indicates that your immune system reacts to beef proteins, which may cause allergic symptoms such as hives, itching, swelling, stomach problems, or in severe cases, anaphylaxis. The test is particularly useful when skin prick testing is not feasible, such as in patients with severe skin conditions or those who cannot stop taking antihistamines.
Results help healthcare providers confirm or rule out beef allergy and develop appropriate management plans, including dietary recommendations and emergency action plans for severe reactions.
Frequently asked questions
What do the results mean?
Is this test painful?
How long does it take to get results?
Can I eat beef before this test?
Sources
- 1
- 2
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 15, 2026. · Read our editorial policy