Test Interpretation Resources

Appropriate interpretation of results is key to the overall value of drug testing.

Drug testing is an essential part of the overall patient care plan and provides objective information that may be useful in assessing adherence, protecting the patient, promoting accountability, initiating important conversations, and preventing diversion. The science of drug testing is complex, and understanding concepts such as testing methodology, period of detection, drug metabolism and specimen type differences are important to appropriate interpretation.

Expert Guidance for Navigating the Complexities of Drug Testing and Result Interpretation

Developed by Aegis toxicology experts, the Clinical Reference Guide delivers practical, evidence-based information on drug testing methodology, detection windows, drug metabolism, and specimen-specific considerations. Designed for busy healthcare professionals, this comprehensive resource provides the clinical context and scientific support needed to confidently interpret results and maximize the value of drug testing in patient care.

We have made each topic available in a downloadable PDF for your reference. (Form fill required to download PDFs.)

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The Aegis Clinical Team

Pharm.D. and Ph.D.-credentialed Aegis clinical team members are available to answer questions regarding test results. Better test interpretation means better care decisions for your patients.

Personalized discussions to answer your questions when needed:

  • Results questions? We help review and explain findings
  • Screening vs confirmatory testing and interpretation differences
  • Frequently asked questions: what causes positives for ethyl sulfate, d-methamphetamine, and cocaine?
  • Advanced insights: drug interactions and metabolism
  • Ask about new and emerging drug trends

Data, research, and presentations:

  • Evidence-based research and answers
  • Local drug trends and novel psychoactive substances (NPS) insights
  • Client specific reviews on practice trends
  • One-on-one or group presentations
  • Personalized training, webinars, and clinical updates

Available Mon – Fri 7am – 6pm CT

On-call support available evenings/weekends: 877-552-3232 | clinical@aegislabs.com

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