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Vinyl Chloride Mass Concentration in Urine

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

This test measures the amount of vinyl chloride, a chemical used in manufacturing, present in your urine. It helps assess exposure to this substance over time.

Quick summary

["This test checks for exposure to vinyl chloride, a chemical found in industrial settings."]

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

Key facts at a glance

LOINC
13640-8
Short code
Vinyl Chloride Ur-mCnc
Synonyms
Vinyl Chloride Ur-mCnc
Category
electrolyte
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
98
Ref high
107
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82435
SNOMED
110743000
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you work in industries that use vinyl chloride, such as plastic production, or if you have symptoms linked to chemical exposure like numbness, tingling, or respiratory issues. It can also be used for monitoring people who have been exposed to this chemical.

What to Expect Before the Test

No special preparation is needed. You’ll provide a urine sample, typically collected in a clean container. Follow your healthcare provider’s instructions for timing, such as collecting a 24-hour urine sample if directed.

What the Results Mean

Higher levels may indicate recent or ongoing exposure to vinyl chloride. Results are compared to reference ranges specific to the test method used, but they don’t replace medical evaluation. Always discuss your results with your provider.

Common Causes of Abnormal Results

Exposure to vinyl chloride from work, hobbies, or environmental sources can raise levels. Other factors, like certain medications or metabolic differences, may also influence results.

Reference range

Adult: 98-107 mmol/LN/A

Specimen: urine

No special preparation required. Stay well hydrated.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Vinyl Chloride Urine Test

Frequently asked questions

What does a positive result mean?
A positive result suggests you may have been exposed to vinyl chloride. Your healthcare provider will discuss next steps, such as adjusting work conditions or further testing, based on your exposure history and symptoms.
Can diet or medications affect this test?
Dietary factors or certain medications may not directly affect vinyl chloride levels in urine, but they can influence overall health. Avoiding known chemical exposures at home or work is the best way to manage results.
How often should this test be repeated?
Your provider will determine how often to repeat this test based on your exposure risk and symptoms. Regular monitoring may be needed if you continue working with vinyl chloride or have ongoing concerns.
  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