The Cat Epithelium and Dander IgG blood test measures Immunoglobulin G (IgG) antibodies against proteins found in cat dander, skin cells, and saliva. Although this test reflects immune system exposure to cat allergens, it is not typically used to diagnose cat allergies in conventional clinical practice.
IgG antibodies usually indicate prior or ongoing immune system exposure and are sometimes elevated in individuals frequently exposed to cats or undergoing allergen immunotherapy. However, IgE antibodies, not IgG, are responsible for triggering classic allergic symptoms such as sneezing, asthma, and skin reactions.
The Cat Epithelium and Dander IgE test, which includes component testing for allergens like Fel d 1, Fel d 2, Fel d 4, and Fel d 7, is the validated method for diagnosing cat allergies and assessing symptom severity.
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The Cat Epithelium and Dander IgG blood test measures Immunoglobulin G (IgG) antibodies against proteins found in cat dander, skin cells, and saliva. Although this test reflects immune system exposure to cat allergens, it is not typically used to diagnose cat allergies in conventional clinical practice.
IgG antibodies usually indicate prior or ongoing immune system exposure and are sometimes elevated in individuals frequently exposed to cats or undergoing allergen immunotherapy. However, IgE antibodies, not IgG, are responsible for triggering classic allergic symptoms such as sneezing, asthma, and skin reactions.
The Cat Epithelium and Dander IgE test, which includes component testing for allergens like Fel d 1, Fel d 2, Fel d 4, and Fel d 7, is the validated method for diagnosing cat allergies and assessing symptom severity.
Price of test:£39
The lowest price from the last 30 days: £39
Awaiting result:
12 hours
Collect material:
Blood
Prepare:
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Purpose of the test
The IgG test may be used to:
Assess immune exposure to cat allergens in integrative or alternative medicine contexts
Supplement immune profiling during immunotherapy or environmental evaluations
Provide additional context in broad IgG sensitivity testing panels
Explore immune response patterns in individuals with unclear symptoms
Who Should Get Tested
This test may be considered for:
Individuals undergoing comprehensive food or environmental IgG testing
Patients using integrative or functional medicine approaches to investigate immune responses
People frequently exposed to cats who want to assess immune interaction
Those in immunotherapy programs where IgG may play a theoretical modulating role
Blood Test Preparation Guidelines
Time of day
It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.
Fasting
It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.
Stay hydrated
Drinking water prior to testing can help with sample collection.
Other factors
Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.
Medications and supplements:
Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.
Biotin supplements:
High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.
Interpreting Test Results
Low or Negative IgG: Suggests minimal immune recognition of cat dander
Elevated IgG: Indicates immune exposure but not allergic sensitization
Important Notes:
IgG is not responsible for allergy symptoms like rhinitis or asthma
IgE testing, especially to Fel d 1 and related components, is the proper tool for diagnosing cat allergy
IgG results should not guide clinical allergy treatment decisions alone
Price of test:£39
The lowest price from the last 30 days: £39
AI-Powered Insights and Expert Validation
Advanced AI Interpretation
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Language Model and Trusted Sources
At the core of Diagu's AI system is an advanced language model, engineered to transform complex medical data into clear, comprehensible, and informative descriptions. This model is adept at articulating detailed test analyses in a way that is accessible to both healthcare professionals and patients. The model's development involved the meticulous processing of high-quality sources, including reputable medical websites, renowned medical textbooks, and peer-reviewed research papers. This ensures that the language used in test descriptions is not only accurate and informative but also up-to-date with the latest medical findings and trends. By leveraging this rich tapestry of trusted sources, our AI system provides a deeper understanding of each test, fostering informed decision-making and enhanced patient care.
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