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Occupational Allergen Mix 1 IgE Antibody, Serum

Published: August 9, 2026Updated: August 17, 2026

A blood test that measures IgE antibodies to workplace allergens, helping evaluate a possible occupational allergy.

Quick summary

["Elevated IgE to an occupational allergen may support an allergy diagnosis when it matches your work-related symptoms."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
82086-0
Short code
Occup Allerg Mix1 IgE RAST
Synonyms
Occup Allerg Mix1 IgE RAST
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
10
Ref high
40
Critical range
— – 500 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
multidisk
CPT
84484
SNOMED
302774002
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

This blood test measures allergen-specific IgE antibodies against a panel of substances that may cause allergy in occupational settings. The exact allergens included can vary by laboratory.

Why might I need this test?

Your clinician may order this test if you have symptoms such as wheezing, cough, nasal congestion, eye irritation, or skin reactions that appear while or after work. It can help identify whether an occupational exposure may be triggering an allergic reaction.

How is the test performed?

A blood sample is collected from a vein and tested for IgE antibodies to the occupational allergens in the panel. The laboratory reports the allergen-specific results, which are interpreted together with your symptoms and exposure history.

How do I prepare for the test?

No special preparation is usually required. Tell your clinician about your occupation, symptoms, timing, and possible exposures, and mention any medicines or recent treatments that could affect interpretation.

Reference range

Adult: 10-40 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Occupational Allergen Mix 1 IgE

Frequently asked questions

Does a positive result mean I am allergic to a workplace substance?
Not necessarily. It shows sensitization to a tested allergen, so your clinician must interpret it alongside your symptoms, timing, and actual exposure.
What if I have symptoms only at work?
Tell your clinician about the specific tasks, substances, and equipment involved. Keeping a symptom and exposure diary may help connect your symptoms with the workplace.
Can this test identify the exact source of my symptoms?
It may point to allergens in the panel, but other possible causes or allergens not included in the panel may still need evaluation.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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 17, 2026. · Read our editorial policy