Lab test

Southern California Allergy Panel: 25 Tests

The Regional Area 13 panel is a multi-allergen IgE blood test that screens for common environmental allergens associated with a coastal western region.

Typical price
From $369
Results
1-3 business days
Preparation
See preparation notes below
Sample
Blood draw or sample collection at a local center

About this test

The Regional Area 13 panel is a multi-allergen IgE blood test that screens for common environmental allergens associated with a coastal western region. It measures 25 allergen-specific IgE markers from a single blood sample, covering tree, grass, and weed pollens along with molds, dust mite, and animal dander. A healthcare provider may order it when allergy symptoms are seasonal or year-round and a broad regional profile is more useful than testing one allergen at a time. Results help guide further evaluation and discussion of possible triggers.

What this test measures

  • Tree pollen-specific IgE Antibodies against tree pollens such as oak, cedar, and sycamore; assessed for seasonal symptoms.
  • Grass pollen-specific IgE Antibodies against grass pollens such as Bermuda, ryegrass, and fescue; common in mild coastal climates.
  • Weed pollen-specific IgE Antibodies against weed pollens such as ragweed, sagebrush, and pigweed; linked to late-season symptoms.
  • Mold spore-specific IgE Antibodies against mold spores such as Alternaria and Cladosporium; relevant in coastal humidity.
  • Indoor allergen-specific IgE Antibodies against dust mite, cat, dog, and cockroach allergens; assessed for year-round symptoms.

Who this test may be right for

  • People with seasonal or year-round nasal or eye allergy symptoms
  • Individuals who suspect sensitivity to coastal pollens, molds, or indoor allergens
  • Those who want a broad regional allergy profile from one blood draw
  • People whose individual allergen testing has been inconclusive
  • Anyone whose provider recommends environmental allergy screening

Before your visit

  • No fasting is required for most IgE allergy panels
  • The sample can be collected at any time of day
  • Tell the healthcare provider about all medications you take
  • Staying well hydrated can make the blood draw easier

Understanding your results

This panel reports an IgE level or class for each allergen tested, spanning seasonal pollens, mold spores, and year-round indoor allergens. Low or undetectable values generally mean the immune system has not produced detectable antibodies, while raised values indicate sensitization. The results do not by themselves diagnose an allergy, because sensitization may exist without symptoms. Matching abnormal markers to the times and places symptoms appear helps a clinician identify probable triggers. Review the findings with a healthcare provider before changing your environment.

Order this test online

  • Buy online in a few minutes - no doctor's visit needed for most tests.
  • Sample collection at a patient service center near you.
  • Results are typically ready within 1-3 business days.
  • Secure, lab-reviewed results delivered to your account.
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Find this test in your state

Questions people ask

What does the Regional Area 13 panel cover?

It screens 25 allergen-specific IgE markers common in a coastal western region, including tree, grass, and weed pollens, mold spores, dust mite, and animal dander.

Is fasting required for this panel?

No. The Regional Area 13 IgE panel requires no fasting and can be collected at any time of day.

Why does a coastal panel include mold markers?

Coastal humidity can support mold growth, so mold spore-specific IgE markers such as Alternaria and Cladosporium are included with pollens and indoor allergens.

Who analyzes the sample?

The blood sample is analyzed by a CLIA-certified lab, and results are typically available within 1-3 business days.

What does the Southern California Allergy Panel: 25 Tests measure?

The Regional Area 13 IgE allergy test panel tests for 25 common allergies found in the West Coast of the U.S., emcompassing Southern California's coastal area.

Do I need to fast before this test?

Follow the lab's instructions.

How long do results take?

Most Southern California Allergy Panel: 25 Tests results are released in 1-3 business days. Specialty testing can take longer.

Is this test right for me?

This page is educational and not medical advice. Talk to a licensed healthcare provider about which tests fit your situation.

Ready to book? Order online, then visit a patient service center for your sample collection.

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LabBookings is an independent directory. We compare test details and pricing information, but we are not a laboratory and we do not perform testing or provide medical advice. Always talk to a licensed healthcare provider about your results and treatment.

Laboratory services are provided by independent, CLIA-certified testing partners. Availability, pricing, and turnaround times can vary by location and are confirmed at checkout.