Drug & Alcohol Testing
Drug and alcohol testing supports workplace safety and fitness for duty, particularly in safety-sensitive and high-risk roles. When designed and delivered correctly, testing provides objective, defensible information to manage substance-related risk.

Testing Methods & Delivery
Workplace Medical delivers drug and alcohol testing through clinics, on-site services, and a virtually observed collections—providing consistent, defensible programs across single- and multi-site organizations.
Testing methods are selected based on program design and testing circumstances and may include:
- Alcohol testing using calibrated breath testing or saliva-based screening
- Drug testing, including:
- Laboratory-based urine testing (confirmatory, defensible)
- Oral fluid (saliva) testing
- Point-of-care testing with laboratory confirmation when required
All collections follow standardized protocols and strict chain-of-custody requirements.
PROOF: Virtually Observed, On-Demand Drug & Alcohol Testing
PROOF is Workplace Medical’s secure, virtually observed testing solution designed to eliminate delays, strengthen compliance, and minimize operational disruption.
Key capabilities:
- 24/7/365 testing without mobilizing on-site collectors or transporting employees
- Virtually observed collections with identity verification and tamper safeguards
- Testing initiated within minutes of a request
- Supports reasonable cause, post-incident, return-to-work, and unannounced testing
- Compatible with lab-based saliva testing and instant screening, based on program design
Defensibility built in:
- Standardized chain-of-custody across all testing channels
- Specimen validation and laboratory confirmation for non-negative results
- Medical Review Officer (MRO) review for final determinations
- Access to Substance Abuse Professionals (SAPs) where required
PROOF combines the speed of point-of-care testing with governance and controls designed to withstand regulatory, legal, or union scrutiny.
Clinical Oversight & Defensibility
All testing is delivered under physician-led clinical governance, with MRO review and confirmatory laboratory testing to ensure results are accurate, defensible, and able to withstand regulatory, legal, or union scrutiny.
Reporting & Program Visibility
Employers have secure access to results and documentation through WMC’s client portal, supporting timely decisions, audits, and compliance reporting. Where PROOF or point-of-care testing is used, results may be available in real time, reducing downtime and improving response at the worksite.