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Red Cedar (t57) IgE
Quest Diagnostics1 test optionFrom $15.23
Red Cedar (t57) IgE
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
Red Cedar (t57) IgE
This test measures the body's immune response to red cedar through the detection of specific IgE antibodies in the serum. It's particularly useful for identifying allergies to red cedar, which can cause symptoms like sneezing, runny nose, itchy eyes, and asthma in sensitive individuals.
What patients is this test right for?This test is recommended for individuals who exhibit allergic reactions or respiratory issues that could be related to red cedar exposure.
Symptoms of Red Cedar Allergy:• Sneezing
• Runny or stuffy nose
• Itchy, watery eyes
• Asthma or difficulty breathing
What type of sample is required for this test?0.3 mL serum.
A small blood sample is needed.
Test Resources:For more information, consult your healthcare provider.
Additional test information
Red Cedar (t57) IgE – This test measures the body's immune response to red cedar through the detection of specific IgE antibodies in the serum. It's particularly useful for identifying allergies to red cedar, which can cause symptoms like sneezing, runny nose, itchy eyes, and asthma in sensitive individuals.
Collection and processing
- Sample type: Serum
- Fasting: No
- Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected
How Sunridge uses laboratory information
Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.
Before requesting this test
Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.
Common questions about this laboratory test
- What sample does this test require?
- The listed sample type is Serum. Confirm current collection instructions in the approved order.
- Does this test require fasting?
- The current catalog record lists fasting as: No. Follow the instructions supplied with the approved order.
- How long does laboratory processing usually take?
- Results should be available in 2 – 5 business days after the sample is collected. Timing can change after collection or if a laboratory requires additional review.
About this test
Red Cedar (t57) IgE
This test measures the body's immune response to red cedar through the detection of specific IgE antibodies in the serum. It's particularly useful for identifying allergies to red cedar, which can cause symptoms like sneezing, runny nose, itchy eyes, and asthma in sensitive individuals.
What patients is this test right for?This test is recommended for individuals who exhibit allergic reactions or respiratory issues that could be related to red cedar exposure.
Symptoms of Red Cedar Allergy:• Sneezing
• Runny or stuffy nose
• Itchy, watery eyes
• Asthma or difficulty breathing
What type of sample is required for this test?0.3 mL serum.
A small blood sample is needed.
Test Resources:For more information, consult your healthcare provider.
Additional details
Red Cedar (t57) IgE - This test measures the body's immune response to red cedar through the detection of specific IgE antibodies in the serum. It's particularly useful for identifying allergies to red cedar, which can cause symptoms like sneezing, runny nose, itchy eyes, and asthma in sensitive individuals.
Highlighted health areas
- Allergies and sensitivities
Biomarkers and report focus
The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.
- Red cedar (t57) ige