Allergy, Basil Test: Booking, Price, and Results
About Allergy, Basil Test
| Field | Value |
|---|---|
| Also Known As | Basil IgE Test, basil specific IgE, basil f269 IgE, sweet basil allergy test |
| Sample Type | Serum (venous blood) |
| Fasting Required | No |
| Report Time | 3 Days |
| Recommended For | All ages, both genders |
| Price | Starting at ₹1,300 |
What Is an Allergy, Basil Test?
The allergy, basil test checks whether your immune system produces specific IgE antibodies in response to basil proteins. A positive result indicates sensitisation to basil, which may explain allergic symptoms after consuming or handling this herb. It is also called the basil IgE test or sweet basil allergy test. A small serum sample drawn from a vein in your arm is used for this analysis.
What Does an Allergy, Basil Test Measure?
The test detects and quantifies basil-specific IgE antibodies in your blood. The result falls into one of several classes, each reflecting a different level of sensitisation. Here is what each measurement indicates:
| Parameter | What It Measures |
|---|---|
| Basil-specific IgE antibodies | The level of IgE antibody your immune system has produced against basil proteins. |
| IgE class (0 to 6) | A graded scale indicating the degree of sensitisation, from undetectable to very high |
When basil proteins enter the body of a sensitised person, IgE antibodies bind to them, triggering mast cells and basophils to release substances such as histamine, which cause allergic symptoms.
Why Is an Allergy, Basil Test Done?
Doctors may order the allergy, basil test when a patient reports recurring symptoms that appear after eating basil or dishes containing it. The test helps identify whether basil is the trigger.
Common Symptoms That May Require This Test
The following symptoms may prompt a doctor to request this test:
- Skin rash, hives, or itching after consuming basil.
- Swelling of the lips, tongue, or throat.
- Cough or wheezing
- Nausea, vomiting, or diarrhoea
- Dizziness or lightheadedness
Conditions This Test Can Help Detect
This test can help identify or support the diagnosis of several conditions:
- Basil-related food allergy causing hives, skin reactions, or digestive upset.
- Respiratory reactions such as wheezing or throat tightness triggered by basil.
- Anaphylaxis, a severe whole-body allergic reaction requiring immediate medical attention.
- Cross-reactive allergies to other herbs in the mint family (Lamiaceae), including oregano, thyme, mint, and sage.
- Sensitisation linked to birch pollen or celery allergies, where shared proteins can cause reactions to basil as well.
How to Prepare and What to Expect
The allergy, basil test requires very little preparation. Here is what you should know before your appointment.
Do You Need to Fast?
No fasting is required for this test. You may eat and drink as normal before your blood draw. Unlike some routine blood tests, allergy IgE tests do not require you to avoid food or water beforehand.
Practical Tips Before Your Test
A small amount of preparation helps ensure a smooth experience:
- You do not need to stop antihistamines or other allergy medications before this test, as they do not interfere with blood IgE results.
- Bring a detailed clinical history including your symptoms, previous test results, and any known allergies, as this is required for the test.
- Keep a food diary noting when symptoms occurred and what you ate, and bring it to your appointment.
- Inform the phlebotomist about any medications you are currently taking.
- Wear comfortable, loose clothing that allows easy access to your arm.
Step-by-Step Procedure
The blood collection for the allergy, basil test is quick and straightforward:
- A trained phlebotomist cleans the skin on your inner arm with an antiseptic wipe.
- A thin needle is gently inserted into a vein to draw a small blood sample (approximately 3 mL).
- The blood is collected into a yellow-capped SST gel tube and labelled with your details.
- The needle is removed and a small bandage is placed over the puncture site.
- The sample is stored under refrigeration (2 to 8 degrees celsius) to preserve its integrity.
- The sample is dispatched to the NABL-accredited Lupin Diagnostics laboratory, where it is analysed using the FEIA (fluorescent enzyme immunoassay) method.
Factors That Can Affect Accuracy
Certain factors may influence your test result:
- Markedly elevated total IgE levels (above 2,500 kU/L) can sometimes cause false-positive results due to nonspecific binding.
- Some individuals may have detectable IgE levels without any clinical symptoms, so results must be read alongside your medical history.
- Recent allergen exposure and the quality of sample handling can affect accuracy.
- Cross-reactive proteins from related plants (such as other Lamiaceae family herbs or birch pollen) may influence results.
Understanding Your Allergy, Basil Test Results
Your result reflects the level of basil-specific IgE antibodies in your blood. A qualified doctor will interpret this result alongside your symptoms and medical history.
| Class | IgE level (kU/L) | Interpretation |
|---|---|---|
| 0 | Less than 0.35 | Negative / undetectable |
| 1 | 0.35 to 0.69 | Low sensitisation |
| 2 | 0.70 to 3.49 | Moderate sensitisation |
| 3 | 3.50 to 17.49 | High sensitisation |
| 4 | 17.50 to 49.99 | Very high sensitisation |
| 5 | 50.00 to 99.99 | Very high sensitisation |
| 6 | 100.00 and above | Very high sensitisation |
A result of Class 2 (0.70 kU/L or above) is considered abnormally high. However, higher IgE levels indicate greater likelihood of an allergic reaction but do not predict the severity of that reaction.
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Patients with mugwort or birch pollen allergies are at higher risk of also reacting to herbal spices like basil, due to shared cross-reacting proteins. This is called pollen-plant food allergy syndrome, and a positive basil IgE result in such patients may reflect this cross-reactivity rather than a standalone basil allergy.
Extensive cross-reactivity across the lamiaceae (mint) family has also been documented. A patient with a basil allergy may also show positive IgE results for oregano, thyme, marjoram, mint, sage, or lavender.
How to Maintain Healthy Levels
If you have a known or suspected basil allergy, these general steps can help you manage your exposure:
- Read food labels carefully and watch for basil as an ingredient in sauces, pesto, salads, and seasoned foods.
- Let restaurant staff know about your allergy when dining out, so they can avoid cross-contamination.
- Follow your doctor's guidance on managing allergic reactions, including any emergency plan they recommend.
Lupin Diagnostics Allergy, Basil Test Price and Home Collection
The allergy, basil test is available at Lupin Diagnostics starting at ₹1,300, with home sample collection available across cities in India.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 1300 |
| CHENNAI | 1300 |
| HYDERABAD | 1300 |
| KOLKATA | 1300 |
| NAVI MUMBAI | 1300 |
| PUNE | 1300 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
Home Collection
The allergy, basil test home collection service is available across multiple cities. A certified phlebotomist visits your home at your chosen time, collects the serum sample, and dispatches it to an NABL-accredited Lupin Diagnostics laboratory. Your digital report is shared via email or WhatsApp once ready.
How to Book
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Frequently Asked Questions
The allergy, basil test measures IgE antibodies that your immune system produces in response to proteins found in basil. A positive result suggests sensitisation to basil, which may be causing your allergy symptoms. Your doctor will use this result alongside your clinical history to confirm whether basil is the trigger.
No fasting is required for this test. One advantage of an allergy blood test is that antihistamines and most other allergy medications do not interfere with IgE results, so you generally do not need to stop them. Always inform your doctor about your current medications to be sure.
The blood draw itself takes only a few minutes. A phlebotomist will draw a small sample from a vein in your arm and cover the site with a small bandage. The entire visit is typically completed quickly.
Allergic symptoms can appear anywhere from a few minutes to a few hours after consuming or handling basil. If symptoms appear rapidly and are severe, seek medical attention immediately.
Yes, this is possible. Basil belongs to the lamiaceae (mint) family, and its proteins are similar in structure to those in related herbs such as oregano, thyme, mint, and sage. This similarity can cause cross-reactive allergies, meaning a positive basil-specific IgE result may be accompanied by reactions to other herbs in the same family.
Yes, the test is safe for all ages. A phlebotomist draws blood from a vein in the arm for older children. For infants, a small heel prick may be used instead. The procedure is brief and well-tolerated.
A positive result should be discussed with your doctor, who will review it in the context of your symptoms and medical history. Your doctor may advise you to avoid basil and foods that contain it, and may recommend further evaluation or an allergy specialist referral.
Allergy, Basil Test: Booking, Price, and Results
