Method: LC-MS/MS (Liquid Chromatography/Tandem Mass Spectrometry) with creatinine normalization by Jaffe Reaction (CLIA 17D0919496); not cleared or approved by the FDA. Results reported in µg/g creatinine. Not a stand-alone diagnosis; should be interpreted in clinical context.
A derived biomarker is a value that is calculated from other directly measured biomarkers rather than being measured directly in the lab.
Key benefits of Mono-2ethylhexyl phthalate (MEHP) testing
- DEHP plasticizer exposure tracking
- primary DEHP metabolite assessment
- medical device and food packaging monitoring
What is Mono-2ethylhexyl phthalate (MEHP)?
MEHP is the primary urinary metabolite of di(2-ethylhexyl) phthalate (DEHP), one of the most widely used industrial plasticizers. DEHP is found in PVC medical tubing, IV bags, food packaging, and flooring. Measured via LC-MS/MS.
Why is Mono-2ethylhexyl phthalate (MEHP) important?
DEHP and its metabolites are among the most extensively studied phthalates for potential endocrine effects. MEHP is typically measured alongside its oxidative metabolite MEOHP to provide a fuller picture of total DEHP body burden.
What insights will I get?
Your MEHP level may indicate recent DEHP exposure from PVC food packaging, medical procedures involving plastic tubing, or indoor vinyl materials. Tracking alongside MEOHP gives a more complete DEHP exposure profile over time.





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