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Chlorobenzene in urine (mass concentration)

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

This test measures the amount of chlorobenzene, a chemical compound, present in your urine. Chlorobenzene is sometimes used in industrial processes and can be found in certain cleaning products.

Quick summary

["This test helps detect exposure to chlorobenzene, which may occur in occupational or environmental settings."]

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

Key facts at a glance

LOINC
38648-2
Short code
Chlorobenz Air-mCnc
Synonyms
Chlorobenz Air-mCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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

Why Is This Test Done?

Your healthcare provider may order this test if you have been exposed to chlorobenzene or if symptoms like dizziness, nausea, or skin irritation are present. It can also be part of a broader evaluation for occupational or environmental hazards.

What Does the Test Involve?

You will provide a urine sample, typically collected over a specific period (e.g., 24 hours). The sample is then analyzed to measure the concentration of chlorobenzene.

What to Expect Before the Test

No special preparation is usually required, but you may be advised to avoid certain foods, medications, or activities that could interfere with the test results. Follow your healthcare provider’s instructions carefully.

What Are Possible Results?

Results are reported as a mass concentration of chlorobenzene in your urine. Higher levels may indicate recent exposure, while normal levels suggest no significant exposure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Chlorobenzene exposure can pose health risks, including respiratory issues, liver or kidney damage, and neurological symptoms. Detecting elevated levels helps guide further medical evaluation or safety measures.

Short name

Urine Chlorobenzene Test

Frequently asked questions

What does a high level of chlorobenzene in urine mean?
A high level may suggest recent exposure to chlorobenzene, possibly from occupational, environmental, or household sources. Your healthcare provider will discuss next steps, such as further testing or safety precautions.
Can diet or medications affect this test?
Some substances or medications may not directly interfere with this test, but certain foods, supplements, or medications could theoretically influence urine composition. Follow your provider’s guidance on avoiding potential confounders.
How often should this test be repeated?
The frequency depends on your exposure history and symptoms. Your healthcare provider will determine if repeat testing is needed, especially if ongoing exposure or symptoms persist.
  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 16, 2026. · Read our editorial policy