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Benzeneringigmseracnc

Published: August 9, 2026Updated: August 16, 2026

This blood test detects IgM antibodies against benzene ring structures, used to evaluate exposure to certain chemical compounds or drugs.

Quick summary

{"Measures IgM antibodies against benzene ring structures in blood","Used to detect exposure to benzene derivatives or certain medications","Requires a simple blood draw, no special preparation needed","Results help doctors assess chemical exposure or drug reactions","Positive results may indicate recent exposure or immune response"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
16442-6
Short code
BNZRINGM
Synonyms
Benzene ring IgM Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top serum collection tube or serum separator tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
≥ 18 years
Method
Enzyme-linked immunosorbent assay (ELISA)
CPT
83520
Specimen volume
1-2 mL of serum
Stability
Stable for 7 days at 2-8°C; for longer storage, freeze at -20°C or below
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
24–72 hours
Order
routine

What is this test?

The Benzene Ring IgM Antibody test is a blood test that measures the presence and levels of IgM antibodies specifically directed against benzene ring structures. Benzene ring is a fundamental chemical structure found in many organic compounds, including certain drugs, industrial chemicals, and environmental pollutants. When your immune system detects these substances, it may produce specific antibodies as part of your defense mechanism.

How is the test performed?

A healthcare professional will draw a small blood sample from a vein in your arm. The blood sample will be sent to a laboratory where it is analyzed to detect and measure the levels of Benzene Ring IgM antibodies. The procedure is quick and generally well-tolerated, taking only a few minutes.

Do I need to prepare for the test?

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, supplements, or recent exposures to chemicals that might affect the test results.

Reference range

Negative or undetectable levels of benzene ring IgM antibodies in healthy individuals without known benzene exposure.N/A

Specimen: serum

No fasting required. Patients should avoid known benzene exposure prior to specimen collection if monitoring occupational exposure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings2

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of IgM antibodies against benzene ring structures in your blood. This could mean you have been exposed to benzene or benzene-containing compounds. However, the result should be interpreted by your doctor in context with your symptoms, occupation, and other test results.
Is this test dangerous?
No, this is a standard blood test with minimal risks. You may experience slight pain or bruising at the injection site, and in rare cases, infection or excessive bleeding may occur.
How long does it take to get results?
Results are typically available within a few days to a week, depending on the laboratory. Your healthcare provider will inform you when the results are ready.
Do I need to avoid any medications before the test?
You should continue taking your regular medications unless your doctor specifically instructs otherwise. However, inform your doctor about all medications you are currently taking, as some drugs containing benzene ring structures may affect the test results.
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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 16, 2026. · Read our editorial policy