Cabbage F216 IgE (Allergen-Specific IgE) Biomarker Testing
It measures IgE antibodies to cabbage to help assess possible cabbage allergy; order through Vitals Vault with Quest draw options and PocketMD support.
With Vitals Vault, you have access to a comprehensive range of biomarker tests.
Cabbage F216 IgE is a blood test that looks for immunoglobulin E (IgE) antibodies your immune system may make in response to cabbage. It is one way to check whether your body is sensitized to cabbage as an allergen.
This test is most useful when you have symptoms that happen soon after eating cabbage or foods that commonly contain it (for example, slaws, soups, kimchi, or mixed vegetable dishes). Your result can help you and your clinician decide what to avoid, what to confirm with additional testing, and whether you need an emergency plan.
Because IgE testing measures sensitization rather than “how severe” a reaction will be, it works best when it is interpreted alongside your history and, when appropriate, other allergy tests.
Do I need a Cabbage F216 IgE test?
You may want a Cabbage F216 IgE test if you notice repeat, quick-onset symptoms after eating cabbage. Typical IgE-type reactions can include hives, itching, lip or tongue swelling, throat tightness, wheezing, coughing, vomiting, or sudden abdominal pain. Some people also get mouth itching or tingling right after eating raw vegetables, which can point toward pollen-food allergy syndrome (oral allergy syndrome).
Testing can also be helpful if you had a more serious reaction and you are trying to identify the trigger among several foods eaten together. In that situation, a targeted IgE result can help narrow down which foods deserve stricter avoidance or confirmatory evaluation.
You might not need this test if your symptoms are delayed (hours to days later) and mainly involve bloating, fatigue, or nonspecific digestive discomfort. Those patterns are less typical for IgE-mediated food allergy and may call for a different workup.
Your result is not a standalone diagnosis. It is one data point that supports clinician-directed care, especially when you are deciding on avoidance, reintroduction, or whether you need an epinephrine plan.
This is a CLIA-lab allergen-specific IgE blood test; results should be interpreted with your symptoms and medical history and are not diagnostic on their own.
Lab testing
Order Cabbage F216 IgE through Vitals Vault when you’re ready to test.
Schedule online, results typically within about a week
Clear reporting and optional clinician context
HSA/FSA eligible where applicable
Get this test with Vitals Vault
If you want a clear, documented answer about possible cabbage sensitization, you can order Cabbage F216 IgE through Vitals Vault and complete your blood draw at a participating lab location.
Once your results are in, you can use PocketMD to review what the number means in plain language, what follow-up questions to bring to your clinician, and which companion tests may help (for example, other food-specific IgE tests or broader allergy panels).
Vitals Vault is a good fit if you are comparing options, want to track results over time, or need a simple way to reorder testing after an elimination period or after your clinician adjusts your allergy plan.
- Order online and complete a single blood draw at a participating lab
- PocketMD guidance to help you interpret results and plan next steps
- Easy retesting when you and your clinician decide timing makes sense
Key benefits of Cabbage F216 IgE testing
- Helps assess whether your immune system is sensitized to cabbage as a potential IgE-triggering food.
- Supports safer decision-making after a reaction when you are unsure which ingredient was responsible.
- Adds objective data to guide elimination and reintroduction plans with your clinician or allergist.
- Can help distinguish IgE-type reactions from non-IgE food intolerance patterns when symptoms are unclear.
- Provides a baseline value you can trend if you retest after a period of avoidance or changing exposures.
- Pairs well with other specific IgE tests to map likely triggers and reduce unnecessary broad food avoidance.
- Gives you a lab report you can review in PocketMD and share with your care team for next-step planning.
What is Cabbage F216 IgE?
Cabbage F216 IgE is an allergen-specific IgE blood test. It measures the amount of IgE antibodies in your blood that bind to cabbage proteins. If your immune system has become sensitized to cabbage, it may produce these IgE antibodies.
IgE is the antibody class involved in immediate-type allergic reactions. When a sensitized person eats (or sometimes handles) a trigger food, IgE on the surface of mast cells and basophils can recognize the allergen and release histamine and other mediators. That is what can lead to rapid symptoms such as hives, swelling, wheezing, or vomiting.
A key point is that sensitization is not the same as a confirmed clinical allergy. Some people have detectable IgE to a food but tolerate it without symptoms. That is why your history matters as much as the number.
How this differs from “food sensitivity” testing
This test measures IgE, which is associated with immediate allergic reactions. It is different from tests that claim to measure “sensitivities” using IgG or other markers, which do not diagnose IgE-mediated allergy and often do not correlate with symptoms.
Where cabbage reactions can fit clinically
Cabbage is not among the most common food allergens, but reactions can occur. Some people react to raw forms more than cooked forms, and some reactions may relate to cross-reactivity with pollens (pollen-food allergy syndrome), where symptoms are often limited to the mouth and throat.
What do my Cabbage F216 IgE results mean?
Low (or negative) Cabbage F216 IgE
A low or negative result means the test did not detect significant IgE sensitization to cabbage. This makes an IgE-mediated cabbage allergy less likely, but it does not completely rule it out, especially if your reaction was very convincing or happened long ago. If symptoms persist, your clinician may consider testing for other foods, evaluating non-IgE causes, or discussing supervised food challenges when appropriate.
In-range results (lab-specific reference)
For allergen-specific IgE, “in range” typically means below the lab’s positivity cutoff. If you are below that threshold and you tolerate cabbage, no action is usually needed. If you are below the cutoff but you have consistent immediate symptoms, your history may carry more weight than the lab value, and follow-up testing or specialist review can help.
High (positive) Cabbage F216 IgE
A positive result means your immune system has IgE that recognizes cabbage proteins, which is called sensitization. The higher the value, the more likely it is that cabbage could be clinically relevant, but the number alone cannot predict reaction severity. Your clinician will interpret the result alongside what happened when you ate cabbage, how quickly symptoms started, and whether you have other allergies or asthma that could increase risk.
Factors that influence Cabbage F216 IgE
Timing and exposure matter: recent regular exposure can sometimes be associated with higher sensitization, while long avoidance may change results over time. Cross-reactivity can also affect results, especially if you have seasonal pollen allergies that can cause oral symptoms with certain raw fruits and vegetables. Medications like antihistamines do not usually change blood IgE results, but they can mask symptoms, which can complicate interpretation. Finally, different labs and methods can have different cutoffs, so it helps to trend results using the same lab when possible.
What’s included
- Cabbage (F216) Ige
Frequently Asked Questions
What does the Cabbage F216 IgE test measure?
It measures allergen-specific IgE antibodies in your blood that bind to cabbage proteins. A positive result suggests sensitization, which may or may not match real-world symptoms when you eat cabbage.
Do I need to fast before a cabbage IgE blood test?
Fasting is not usually required for allergen-specific IgE testing. If you are combining this test with other labs (like lipids or glucose), follow the fasting instructions for the full order.
Can a positive cabbage IgE tell how severe my reaction will be?
No. The value can support whether cabbage is a plausible trigger, but it cannot reliably predict reaction severity. Your past reaction history, asthma status, and co-factors (like exercise or alcohol) are important for risk assessment.
Can I have cabbage allergy with a negative IgE test?
It is less likely, but it can happen. If your symptoms are immediate and repeatable, your clinician may consider additional evaluation, including testing for related allergens, skin testing, or a supervised oral food challenge when appropriate.
How is this different from a total IgE test?
Total IgE measures the overall amount of IgE in your blood and can be elevated for many reasons, including allergies, eczema, or infections. Cabbage F216 IgE is specific to cabbage and is more directly relevant when you are evaluating a cabbage-triggered reaction.
When should I retest cabbage-specific IgE?
Retesting is usually considered when your clinician is monitoring whether sensitization is changing over time, such as after a period of avoidance or if symptoms have changed. Many people retest in months-to-year intervals rather than weeks, unless there is a specific clinical reason.
What follow-up tests are commonly ordered with cabbage IgE?
Common next steps include other food-specific IgE tests based on your diet history, selected pollen-specific IgE tests if oral allergy syndrome is suspected, and sometimes total IgE. Your clinician may also recommend skin testing or a supervised food challenge depending on risk.