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We’re here to answer your questions including clinical drug monitoring, urine drug testing, toxicology, and results interpretation. Please do not include any specific patient name or test order information in this form. Please remember that email, including this web form, is not a secure method of communication. Do not submit personal information, including user names and passwords, social security numbers, or personal health information through this form.

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Drug toxicology consultation for healthcare providers

For assistance with prescription drug monitoring results, please contact Quest Diagnostics toxicology consultant specialists. They are available Monday – Friday, 8:00 AM to 10:00 PM Eastern Time.


1.877.40.RXTOX (1.877.407.9869)