Allergy, Lemon: Booking, Price, and Results
About Allergy, Lemon: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | Lemon IgE Test, Lemon f208 IgE, Lemon Allergen-Specific IgE, Citrus limon Allergy Test |
| Sample Type | Serum (venous blood) |
| Fasting Required | No fasting required |
| Report Time | 3 days |
| Recommended For | All ages, both genders |
| Price | Starting at ₹1,300 |
What is a Lemon Allergy Test?
The allergy lemon test is a blood test that measures your immune system's response to lemon proteins. It detects specific IgE (immunoglobulin E) antibodies — proteins your immune system produces when it reacts to an allergen. Doctors use this test to confirm or rule out a lemon allergy in patients who experience symptoms after consuming lemon or lemon-containing products. The test is also known as the Lemon IgE Test or Citrus limon allergy test.
What Does an Allergy Lemon Test Measure?
This test measures the level of lemon-specific IgE antibodies in your blood. The key components assessed are listed below.
| Parameter | What It Tells You |
|---|---|
| Lemon-specific IgE antibodies | Detects sensitisation to lemon proteins, including the lipid transfer protein Cit l 3 |
| IgE class (0 to 6) | Indicates the degree of sensitisation, from negative to very high |
The result is expressed in kU/L (kilo-units per litre) and placed into one of seven classes to indicate how sensitised your immune system is to lemon.
Why is an Allergy Lemon Test Done?
A doctor may recommend this test when a patient reports symptoms that appear linked to lemon exposure. It helps confirm the cause of those symptoms and guides next steps.
Common Symptoms That May Require This Test
The following symptoms after contact with or consumption of lemon may prompt your doctor to order a lemon allergy test:
- Skin rash, hives, or itching
- Swelling around the lips, mouth, or throat
- Tightening of the throat or difficulty breathing
- Cough or wheezing
- Nausea, vomiting, or diarrhoea
- Dizziness or lightheadedness
Conditions This Test Can Help Detect
This test can support the identification of the following conditions:
- Lemon allergy (IgE-mediated sensitisation to lemon proteins)
- Oral allergy syndrome (OAS), which causes itching in the mouth or throat after eating certain raw fruits
- Cross-reactivity with other citrus fruits, such as orange, lime, or grapefruit
- Cross-reactivity with pollen allergies (studies suggest that a significant proportion of people with pollen allergies show sensitisation to citrus fruits)
- Anaphylaxis risk assessment (in rare cases, a lemon allergy can trigger a severe systemic allergic reaction)
How to Prepare and What to Expect
Preparing for this test is straightforward. Here is what you need to know before your appointment.
Do You Need to Fast?
No fasting is required for the allergy lemon test. You can eat and drink normally on the day of the test. You do not need to avoid lemons beforehand, as consuming them will not affect the result.
Practical Tips Before Your Test
Keep the following in mind before your sample is collected:
- Bring a detailed clinical history, including your symptoms, previous test results, and any relevant medical records, as this is required for the test.
- Inform the lab or your doctor about any antihistamines, corticosteroids, or immune-suppressing drugs you are taking.
- Wear a loose-fitting top or a short-sleeved shirt to allow easy access to your arm.
- Stay well hydrated, as this makes veins easier to locate.
Step-by-Step Procedure
The sample collection process is quick and simple. Here is what to expect:
- A trained phlebotomist (a specialist who draws blood) cleans the puncture area on your arm with an antiseptic solution.
- An elastic band (tourniquet) is placed around your upper arm to make the veins more visible.
- A small needle is inserted into a vein, and approximately 3 ml of blood is drawn into a collection tube.
- The needle is removed, and the puncture site is cleaned and dressed to prevent infection.
- The blood sample is labelled and stored at the correct temperature before being sent to the laboratory.
- The entire process typically takes about five minutes.
Factors That Can Affect Accuracy
Certain factors may influence your test result. These include:
- Very high total serum IgE levels (above 2,500 kU/L), which can cause false-positive readings due to nonspecific binding
- Use of antihistamines or corticosteroids before the test
- Recent immunotherapy treatment
- Active infections or inflammatory conditions at the time of testing
Understanding Your Allergy, Lemon Test Results
Your results will show a numerical IgE level alongside a class rating. Always review your results with a doctor, who will consider your symptoms and medical history before drawing any conclusions.
| Class | IgE Level (kU/L) | Interpretation |
|---|---|---|
| 0 | Less than 0.35 | Negative |
| 1 | 0.35 to 0.69 | Equivocal |
| 2 | 0.70 to 3.49 | Positive |
| 3 | 3.50 to 17.49 | Positive |
| 4 | 17.50 to 49.99 | Strongly Positive |
| 5 | 50.00 to 99.99 | Strongly Positive |
| 6 | 100.00 or above | Strongly Positive |
Levels at Class 2 or above (0.70 kU/L or more) are considered abnormally elevated. A negative result (below 0.35 kU/L) suggests no significant sensitisation to lemon proteins, though a negative result does not entirely exclude the possibility of an allergy in all cases.
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
Certain conditions can influence how your results should be read:
- Patients with markedly elevated total serum IgE (above 2,500 kU/L) may receive false-positive readings due to nonspecific antibody binding.
- A positive result confirms sensitisation to lemon, not necessarily a clinical allergy. Your doctor will assess your result alongside your symptoms.
- Pollen allergies may cause cross-reactivity with citrus fruits, which can affect interpretation.
How to Maintain Healthy Levels
If your results indicate sensitivity to lemon, these general tips may help you manage your exposure:
- Check food and cosmetic product labels carefully, as lemon juice or lemon oil appears in many everyday items.
- Discuss your results with a doctor before making changes to your diet or lifestyle.
- Maintain an overall balanced diet and stay well hydrated to support general immune health.
Lupin Diagnostics Allergy, Lemon Test Price and Home Collection
The allergy lemon test at Lupin Diagnostics is priced starting at ₹1,300, and home sample collection is available across multiple cities.
| City | Approximate Price ( ₹) |
|---|---|
| BHOPAL | 1300 |
| CHENNAI | 1300 |
| HYDERABAD | 1300 |
| KOLKATA | 1300 |
| NAVI MUMBAI | 1300 |
| PUNE | 1300 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Booking your allergy lemon test online is simple:
- 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.
Home Collection
Lupin Diagnostics offers the allergy lemon test home collection across cities, allowing a trained phlebotomist to visit your home at a time that suits you. All samples are processed in NABL-accredited laboratories to ensure accuracy and reliability. Your digital report is delivered directly to you once ready.
Frequently Asked Questions
The allergy lemon test is a blood test that measures IgE antibodies specific to lemon proteins. It helps confirm whether your immune system is sensitised to lemon and assesses the degree of that sensitisation. A serum sample is used, and results are available within 3 days.
No, fasting is not required. You can eat and drink as normal before the test, including consuming lemons. This will not affect your result.
A positive result means your immune system has produced IgE antibodies in response to lemon proteins, which indicates sensitisation. However, sensitisation does not automatically confirm a clinical allergy. Your doctor will review the result alongside your symptoms to make a diagnosis.
No, this test is specific to lemon allergens. If you suspect allergies to other citrus fruits such as orange, lime, or grapefruit, ask your doctor about a broader citrus allergy panel.
A lemon allergy involves an IgE-mediated immune response that can cause symptoms such as hives, swelling, or breathing difficulties within minutes of exposure. Lemon intolerance typically causes digestive discomfort with a delayed onset and does not involve IgE antibodies. The allergy lemon test specifically identifies the IgE-mediated type.
Most medications do not affect the result of this test. However, let your doctor or the laboratory know if you are taking antihistamines, corticosteroids, or any immune-suppressing drugs, as these may influence how your results are interpreted.
A small blood sample is drawn from a vein in your arm. The process takes around five minutes and is straightforward. The sample is tested using the FEIA (Fluorescent Enzyme Immunoassay) method, which accurately measures lemon-specific IgE levels in your blood.
Allergy, Lemon: Booking, Price, and Results
