Understanding Your Laboratory Test: A Complete Patient Guide to What It Is, Why It Is Done, and What the Results Mean
A blood test that measures the level of 2-methoxyethanol, a chemical exposure marker, to monitor occupational exposure and potential toxicity.
{"This test measures 2-methoxyethanol levels in your blood","It is primarily used for occupational health monitoring","Exposure can occur through skin contact, inhalation, or ingestion in workplace settings","High levels may cause neurological, kidney, or reproductive health effects","The test helps ensure workplace safety and early detection of exposure"}
Key facts at a glance
- LOINC
- 16305-5
- Short code
- 2-ME
- Synonyms
- 2Methoxyethanol Bld-mCnc
- Category
- chemistry
- Sample
- whole-blood
- Container
- EDTA (purple top) tube - whole blood
- Units
- N/A
- Ref low
- 0
- Ref high
- 0.5
- Critical range
- — – 10 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 18 years
- Method
- Gas Chromatography with Flame Ionization Detection (GC-FID) or Gas Chromatography-Mass Spectrometry (GC-MS)
- CPT
- 82491
- SNOMED
- 431855005
- Specimen volume
- 2-3 mL whole blood
- Stability
- Room temperature: 7 days; Refrigerated (2-8°C): 14 days; Frozen (-20°C): 30 days. Avoid repeated freeze-thaw cycles.
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 48–168 hours
- Order
- routine
This test is a medical examination that helps your healthcare provider gather important information about your health, your symptoms, or how your body is functioning, which supports an accurate diagnosis and a proper treatment plan.
The blood 2-methoxyethanol test measures the amount of 2-methoxyethanol (also known as 2-methoxyethanol or ethylene glycol monomethyl ether) in your blood. 2-Methoxyethanol is an industrial chemical used as a solvent in various applications including paints, coatings, inks, and cleaning products.
Your doctor may order this test to help diagnose a new medical condition, monitor an ongoing health problem, check how well a current treatment is working, or screen for potential issues before any symptoms have appeared.
This test is typically performed for occupational health monitoring. If you work in industries where 2-methoxyethanol is used, your employer may require regular testing to ensure your exposure levels remain within safe limits. It helps identify early exposure before symptoms develop.
The test is performed by a trained healthcare professional in a clinic, hospital, or laboratory setting, and the exact steps depend on the type of sample or measurement needed for your specific situation; your care team will explain the process and answer your questions beforehand.
A healthcare professional will draw a small blood sample from a vein in your arm. The sample is then sent to a laboratory for analysis. The test measures the mass concentration of 2-methoxyethanol in your blood (reported as mass/volume).
Your results will show whether your values fall within the normal reference range, and your healthcare provider will interpret them together with your symptoms, medical history, and other findings to determine what they mean for your overall health and any follow-up care you may need.
Your test results will be compared to established safety thresholds. Results below the reference range typically indicate minimal or no significant exposure. Elevated levels may indicate occupational exposure, and very high levels may require immediate medical evaluation and workplace safety review.
Reference range
Non-detectable or <0.5 mg/L (varies by laboratory); occupational exposure limit typically <5 mg/LN/A
No special preparation required. Avoid alcohol consumption for 24 hours prior to collection as it may interfere with results. Inform laboratory of any occupational exposure history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings2
Frequently asked questions
Who needs this test?
How often should I be tested?
Do I need to fast before this test?
What happens if my results are elevated?
Can I reduce 2-methoxyethanol levels in my blood?
Sources
- 1
- 2NIOSH - 2-MethoxyethanolSource
- 3OSHA - 2-MethoxyethanolSource
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.
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