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Rat (e87) IgE
Quest Diagnostics1 test optionFrom $15.23
Rat (e87) IgE
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
Rat (e87) IgE
This test measures the level of Rat (e87) IgE in the serum. It's designed to help in the diagnosis and monitoring of allergic reactions specifically related to rat allergens.
What patients is this test right for?This test is particularly useful for individuals who have shown symptoms of an allergic reaction and have been exposed to environments where rat allergens are present.
Symptoms of an allergic reaction may include:• Sneezing
• Itchy, red, or watery eyes
• A runny or blocked nose
• Itchy skin, rash, or hives (urticaria)
• Wheezing, chest tightness, shortness of breath, and a cough
• Swollen lips, tongue, eyes, or face
What type of sample is required for this test?0.3 mL serum is needed for this test.
Test Resources:For more information, please refer to the provided test resources or consult with a healthcare professional.
Additional test information
This test measures the level of Rat (e87) IgE in the serum. It's designed to help in the diagnosis and monitoring of allergic reactions specifically related to rat allergens.
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
Rat (e87) IgE
This test measures the level of Rat (e87) IgE in the serum. It's designed to help in the diagnosis and monitoring of allergic reactions specifically related to rat allergens.
What patients is this test right for?This test is particularly useful for individuals who have shown symptoms of an allergic reaction and have been exposed to environments where rat allergens are present.
Symptoms of an allergic reaction may include:• Sneezing
• Itchy, red, or watery eyes
• A runny or blocked nose
• Itchy skin, rash, or hives (urticaria)
• Wheezing, chest tightness, shortness of breath, and a cough
• Swollen lips, tongue, eyes, or face
What type of sample is required for this test?0.3 mL serum is needed for this test.
Test Resources:For more information, please refer to the provided test resources or consult with a healthcare professional.
Additional details
This test measures the level of Rat (e87) IgE in the serum. It's designed to help in the diagnosis and monitoring of allergic reactions specifically related to rat allergens.
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.
- Rat (e87) ige