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Understanding Your Medical Test

Published: August 9, 2026Updated: August 15, 2026

This blood test checks for allergic reactions to common occupational allergens including chicken feathers, cow dander, goose feathers, and horse dander.

Quick summary

{"Measures IgE antibodies in your blood to detect allergies to animal-related occupational allergens","Helps diagnose allergic reactions in people working with poultry, cattle, or horses","A simple blood draw is required; no special preparation is needed","Results indicate whether you have specific IgE antibodies present or not","Results help your doctor determine if you have an occupational allergy"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 15, 2026Editorial policy

Key facts at a glance

LOINC
15235-5
Short code
OCCUPALG1
Synonyms
Occup Allerg Mix1 IgE Ql
Category
cardiac
Sample
serum
Container
Serum separator tube (SST) or plain red top tube
Units
N/A
Ref low
0.35
Fasting
false
Population
adult
Sex
all
Age range
≥ 0 years
Method
multidisk
CPT
86003
SNOMED
104970004
Specimen volume
1.0 mL minimum, 2.0 mL preferred
Stability
Room temperature: 8 hours; Refrigerated (2-8°C): 72 hours; Frozen (-20°C or below): 30 days
Hemolysis max
50
Lipemia max
40
Icterus max
20
TAT
24–72 hours
Order
routine

This test is a common diagnostic procedure that helps your healthcare provider evaluate your overall health, detect potential issues, and guide treatment decisions. It is a safe and routine part of medical care, and it provides important information about how your body is functioning.

The Occupational Allergen Mix 1 IgE test is a blood test that detects the presence of immunoglobulin E (IgE) antibodies specific to four common occupational allergens: chicken feathers, cow dander, goose feathers, and horse dander. This test uses a multidisk method to screen for allergies to these animal-based substances that people may encounter in their workplace, particularly those working in farming, poultry processing, veterinary medicine, or horse-related industries.

The test is typically performed by taking a small sample of your blood, urine, or other body fluid, depending on what your provider is checking. A healthcare professional will clean the area, collect the sample, and send it to a laboratory for analysis. The procedure is usually quick and causes minimal discomfort.

A healthcare professional will draw a small sample of blood from a vein in your arm. The blood sample is then sent to a laboratory where it is tested for the presence of specific IgE antibodies against the four allergens in the mix. The multidisk method allows for simultaneous testing of multiple allergens from a single blood sample. The test result will indicate whether IgE antibodies are present (positive) or not detected (negative) for each allergen.

Preparation depends on the specific test. Some tests require you to fast for a certain period, while others may require you to stop taking certain medications. Your healthcare provider will give you specific instructions. In most cases, you can eat and drink normally, but it's best to follow any guidance provided.

No special preparation is typically required for this test. You can eat and drink normally before the blood draw. However, it is important to inform your doctor about any medications you are taking, as some medications may affect test results. Also, tell your doctor if you have ever had a severe allergic reaction, as this information is important for interpreting your results.

The results of this test help your healthcare provider understand if your body is within normal ranges. Abnormal results may indicate a need for further investigation or treatment. Your provider will interpret the results in the context of your overall health and discuss any next steps with you. It's important to remember that a single test is not a definitive diagnosis.

Results are reported as 'Presence' or 'Not Detected' for each allergen. A 'Presence' result means that IgE antibodies specific to that allergen were found in your blood, indicating that you may have an allergy to that substance. A 'Not Detected' result means no specific IgE antibodies were found, suggesting you are not currently allergic to that particular allergen. Your doctor will interpret these results together with your symptoms and medical history to make a proper diagnosis.

Reference range

Negative: < 0.35 kU/L (Class 0); Positive: ≥ 0.35 kU/L (Class 1-6) - Presence of IgE antibodies to occupational allergen mix (chicken feather, cow dander, goose feather, horse dander)N/A

Specimen: serum

No special preparation required. Patient should inform laboratory of current medications, especially antihistamines or corticosteroids, which may affect results. No fasting required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is clinically significant for diagnosing occupational allergies in individuals who work with animals or animal products. Positive results can help identify specific allergens causing allergic symptoms such as sneezing, itchy eyes, skin rashes, or respiratory problems. Understanding which allergens trigger your symptoms allows you and your employer to implement appropriate workplace accommodations, such as using protective equipment, modifying work practices, or considering alternative job assignments. Early detection of occupational allergies can prevent worsening symptoms and improve quality of life.

Frequently asked questions

Is a positive result dangerous?
A positive result indicates that you have IgE antibodies to these allergens, meaning you have the potential for an allergic reaction. However, the severity of your actual symptoms depends on many factors. Your doctor will discuss your results and recommend appropriate management strategies, which may include avoiding certain allergens, using medications, or carrying emergency medication if you have a history of severe reactions.
Can I have this test if I am currently taking allergy medications?
Yes, you can typically take this test while on antihistamines or other allergy medications. Unlike skin prick tests, blood tests measure IgE antibodies directly and are not affected by most medications. However, certain medications like high-dose steroids or immunosuppressants may affect results. Always inform your doctor about all medications you are taking.
How long does it take to get results?
Results are typically available within a few days to a week, depending on the laboratory. Your doctor's office will contact you with the results or schedule a follow-up appointment to discuss them.
What should I do if I test positive for these occupational allergens?
If you test positive, discuss the results with your doctor or an allergist. They may recommend additional testing to confirm the allergy and assess its severity. You may need to take steps to reduce your exposure to these allergens at work, such as wearing protective gear like masks and gloves, improving ventilation, or making changes to your work environment. In some cases, immunotherapy (allergy shots) may be considered as a treatment option.
Can this test diagnose asthma or respiratory problems caused by these allergens?
This test detects the presence of IgE antibodies, which are associated with allergic conditions including allergic asthma. However, it does not directly diagnose asthma. If you experience respiratory symptoms such as wheezing, shortness of breath, or chronic cough, your doctor may recommend additional tests to evaluate your lung function and determine if your occupational allergies are contributing to respiratory problems.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 15, 2026. · Read our editorial policy