Reliable Workplace Testing Solutions
Dallas Diagnostics Center provides professional employer testing services designed to help businesses maintain safe, compliant, and productive work environments. From pre-employment screening to ongoing compliance programs, we deliver accurate results with fast turnaround times so you can make informed decisions with confidence.
Why Employer Testing Matters
Workplace testing plays a critical role in:
Our programs are designed to support these outcomes efficiently and reliably.
Our Testing Programs
We support testing at all stages of employment:
- Pre-employment screening
- Random testing
- Post-accident testing
- Reasonable suspicion testing
- Return-to-duty testing
Each program is structured to align with industry requirements and operational needs.


DOT-Compliant Testing
We provide testing solutions designed to support regulated industries and compliance requirements.
Our services may include:
- DOT 49 CFR Part 40 certified sample collection
- DOT physical examinations
- Regulated drug and alcohol testing
- On-site testing available upon request
- Access to a nationwide collection site network
- 24-hour emergency turnaround for select cases
- Rapid/instant results for certain tests
- Medical Review Officer (MRO) review for presumptive positive results
On-Site Testing Services
To minimize disruption and improve efficiency, we can bring testing directly to your workplace.
Available on-site services may include:
- Drug and alcohol testing
- DOT and non-DOT physical examinations
- Steroid testing
- General physical examinations
- TB testing
- Vaccine titers
- Biometric screenings
- Lab testing for markers such as diabetes and cholesterol

How It Works

- Certified and compliant testing processes
- Fast turnaround times and efficient service
- Flexible on-site and in-lab testing options
- Confidential handling of all results
- Support for both small businesses and large organizations
