Allergy Evaluation 10 Southwest Refl
It checks IgE sensitization to common Southwest allergens to guide next steps, with easy ordering and clear results through Vitals Vault + Quest.
This panel bundles multiple biomarker tests in one order—your report explains how results fit together.
This test is designed to look for allergy sensitization patterns that are common in the U.S. Southwest. It does that by measuring allergen-specific IgE (immunoglobulin E) antibodies in your blood.
If you have year-round congestion, sneezing, itchy eyes, cough, or flares that seem tied to seasons, wind, dust, or being outdoors, a targeted regional panel can be a practical first step. It can also help when you cannot stop antihistamines for skin testing, or when you prefer a blood draw.
Your result does not diagnose an allergy by itself. It helps you and your clinician connect symptoms and exposures to a likely trigger and decide what to avoid, what to treat, and whether follow-up testing is worth it.
Do I need a Allergy Evaluation 10 Southwest Refl test?
You might consider this test if you have recurring nasal or eye symptoms that behave like allergies, especially if they cluster around certain seasons or environments (dry windy days, desert plants, dust exposure, or time spent outdoors). It can also be useful if you have asthma symptoms that worsen with outdoor exposure, or if you keep getting “sinus” symptoms that do not fully respond to typical treatments.
This panel is often ordered when you want a focused look at common Southwest aeroallergens rather than a broad national panel. It can be a good fit if you recently moved to the region and your symptoms changed, or if you are trying to narrow down what is driving symptoms at home, work, or school.
You may not need this specific panel if your symptoms are clearly non-allergic (for example, congestion that is only triggered by strong odors, temperature changes, or spicy foods), or if you already have well-documented triggers and your plan is working. If you have a history of severe reactions, swelling of the lips/tongue, or trouble breathing, use testing as part of clinician-directed care rather than self-diagnosis.
This is a laboratory-developed blood test run in a CLIA-certified lab; results support clinical decision-making but do not confirm allergy without symptom correlation.
Lab testing
Order labs to measure Allergy Evaluation, Southwest
from $133.34 at Quest Diagnostics
About 1 week
Schedule online — results typically within a week
Clear next steps
Guidance included, with follow-up care available
HSA / FSA
Eligible for pre-tax health spending accounts
Get this test with Vitals Vault
Vitals Vault lets you order allergy blood testing without a separate doctor visit, then review your results in a way that is easier to act on. If your panel shows sensitization, the next step is usually matching it to your real-world exposures and symptoms, not chasing every positive number.
After your results post, you can use PocketMD to ask practical questions like what a “low positive” means, whether your pattern fits seasonal pollen versus indoor allergens, and which follow-up tests make sense for your situation. You can also plan retesting if you are tracking symptom changes after moving, changing environments, or starting treatment.
If you need broader mapping, Vitals Vault makes it straightforward to add companion testing (for example, a specific allergen IgE, total IgE, or other labs your clinician recommends) and keep everything in one place for trend tracking.
- Order online and use a national lab network for the blood draw
- Clear, plain-language result context with PocketMD follow-up
- Easy re-ordering when you need confirmation or seasonal comparisons
Key benefits of Allergy Evaluation 10 Southwest Refl testing
- Helps identify likely Southwest environmental triggers behind persistent nasal, eye, or cough symptoms.
- Provides an IgE sensitization pattern that can guide targeted avoidance and home/environment changes.
- Supports decisions about whether allergy medications are enough or if specialist follow-up is warranted.
- Can be used when skin testing is not practical (for example, you cannot stop antihistamines).
- Helps separate seasonal pollen patterns from indoor exposures like dust or animal dander when symptoms overlap.
- Creates a baseline you can compare against after moving, changing jobs, or modifying your environment.
- Pairs well with PocketMD so you can translate results into next-step questions for your clinician.
What is Allergy Evaluation 10 Southwest Refl?
Allergy Evaluation 10 Southwest Refl is a blood test panel that measures allergen-specific IgE antibodies to a set of common Southwest-region inhalant allergens. “IgE” is the antibody class most associated with immediate-type allergic reactions. When your immune system is sensitized to an allergen, it may produce IgE that recognizes that substance.
A positive specific IgE result means your immune system has made IgE to that allergen (sensitization). Whether that sensitization is clinically meaningful depends on your symptoms, timing, and exposure. For example, a mild positive to a regional tree pollen may matter a lot if your symptoms reliably flare during that tree’s pollination season, but it may matter little if you are never exposed.
This is not a food allergy panel and it does not predict reaction severity. It is mainly used for environmental allergy evaluation, often as a starting point before more detailed testing or allergist-directed workup.
Sensitization vs. allergy: why symptoms matter
Your lab report can show sensitization even if you do not feel symptoms, and you can have symptoms even if a particular allergen is negative. Timing, exposure level, and other conditions (like viral infections or non-allergic rhinitis) can all change how you feel. The most useful interpretation connects your results to when and where symptoms happen.
What “Refl” (reflex) typically implies
“Reflex” naming often indicates that the lab may automatically perform an additional step based on an initial finding (for example, confirming or expanding testing within a defined algorithm). The exact reflex rules depend on the ordering configuration, so it helps to review your final report to see which components were run and which were not.
What do my Allergy Evaluation 10 Southwest Refl results mean?
Low or negative specific IgE results
If your panel is negative or very low across allergens, it suggests IgE-mediated sensitization to the tested Southwest allergens is unlikely. That does not rule out all allergy causes, because you may be reacting to an allergen not included on the panel or you may have non-IgE triggers. If symptoms persist, common next steps include reviewing exposures, considering a broader environmental panel, or discussing non-allergic rhinitis and asthma evaluation with your clinician.
In-range results (no meaningful sensitization pattern)
Many reports will show values that fall below the lab’s positivity threshold, or only borderline findings. In this context, “in-range” generally means there is no clear sensitization pattern that matches common Southwest aeroallergens. If you still have symptoms, your clinician may focus on symptom timing, irritant triggers (smoke, pollution, fragrances), sinus disease, or reflux, and may consider targeted testing based on your history.
High or positive specific IgE results
A positive result indicates sensitization to that allergen, and higher classes or higher values often correlate with a greater likelihood of clinical allergy, but they do not measure severity. The most actionable positives are the ones that line up with your exposures and symptom timing (for example, seasonal flares that match a pollen). If you have multiple positives, your clinician may help you prioritize the most relevant triggers and decide whether additional testing, environmental controls, or immunotherapy evaluation makes sense.
Factors that influence Allergy Evaluation 10 Southwest Refl results
Recent or ongoing exposure can affect how relevant a positive result is to your symptoms, even if the IgE number itself does not change quickly. Cross-reactivity can also occur, where IgE recognizes similar proteins across related pollens, which can create multiple positives that do not all represent separate true triggers. Age, atopic conditions (eczema, asthma), and overall allergic tendency can shift your baseline likelihood of positives. Medications like antihistamines generally do not suppress blood IgE results the way they can affect skin testing, but immune-modulating therapies should be discussed with your clinician when interpreting results.
What’s included
- ALTERNARIA ALTERNATA (M6) IGE
- BERMUDA GRASS (G2) IGE
- CAT DANDER (E1) IGE
- CLADOSPORIUM HERBARUM (M2) IGE
- DERMATOPHAGOIDES FARINAE (D2) IGE
- DOG DANDER (E5) IGE
- FALSE RAGWEED (W4) IGE
- MUGWORT (W6) IGE
- OAK (T7) IGE
- PERENNIAL RYE GRASS (G5) IGE
Similar tests to consider
Frequently Asked Questions
Is Allergy Evaluation 10 Southwest Refl a food allergy test?
No. It is designed for environmental (inhalant) allergens common in the Southwest. If you are concerned about a specific food (for example, tree nuts), you usually need a targeted food-specific IgE test and interpretation based on your reaction history.
Do I need to fast before this allergy blood test?
Fasting is usually not required for allergen-specific IgE testing. If you are combining this with other labs that require fasting, follow the instructions for the full set of tests you ordered.
Can I take antihistamines before an IgE blood test?
Antihistamines typically do not meaningfully change allergen-specific IgE blood results, unlike skin testing where they can interfere. If you are on immune-modulating medications or biologics, ask your clinician how that may affect interpretation.
What does a “low positive” IgE mean?
A low positive often means sensitization is present, but it may or may not be the reason you feel symptoms. The most helpful next step is matching the result to exposure and timing (season, location, indoor vs outdoor) and considering whether targeted avoidance or follow-up testing would change your plan.
How is this different from skin prick testing?
Skin testing measures an immediate skin response to allergens and can provide rapid results in an allergy clinic. Blood IgE testing measures allergen-specific IgE in serum and can be done with a standard blood draw, which is helpful if you cannot stop antihistamines or cannot access skin testing quickly. Both require symptom correlation for diagnosis.
When should I retest?
Retesting is most useful when something meaningful changes, such as moving to a new region, a clear shift in seasonal symptoms, or after a period of treatment or environmental changes. Many people do not need frequent repeats; discuss timing with your clinician based on your symptoms and goals.