Your Trusted Partner in Diagnostics

About Us

At NextStep Diagnostics, we specialize in mobile drug testing and workplace compliance services across Atlanta. We offer DOT & non-DOT drug testing, pre-employment screenings, post-accident testing, and workplace drug testing to help businesses maintain a safe and compliant environment.

Our certified team also provides court-ordered drug testing, probation screenings, adoption and CPS drug testing, and immigration drug testing. With fast, reliable results, we ensure accuracy and confidentiality for individuals and businesses.

As a trusted mobile service provider, we bring on-site drug testing and certified notary services directly to you—whether at a job site, business, or personal location.

Why Choose Us?

Mobile Drug Testing Services: We come to you, ensuring on-site drug testing with minimal disruption and maximum efficiency.
Accurate & Reliable Testing: From DOT drug testing, pre-employment screenings, random drug testing, and post-accident testing, we use certified methods to ensure fast, precise results.
24/7 Availability & Rapid Response: Whether you need after-hours, emergency, or workplace drug testing, we provide flexible scheduling—day or night.
Regulatory Compliance & Certification: Our drug testing services meet DOT, OSHA, and federal workplace compliance standards to keep your business in full compliance.

Whether you’re an employer, HR professional, business owner, or individual, we are your trusted partner for mobile drug testing and workplace compliance.

We Drive, You Thrive – Mobile Drug Testing & Notary Solutions

Our Services

Mobile Drug Testing & Workplace Screening

Breathalyzer (BAT)
DOT & Non-DOT Drug Screening
Follow-Up Testing
Oral Fluid Testing
Post-Accident Testing
Pre-Employment Screening
Random Testing
Rapid/Instant Testing
Reasonable Suspicion/Cause Testing
Reinstatement Testing
Return to Duty Testing
Urine Drug Testing

Legal, Compliance & Specialty Drug Testing

Adoption Drug Testing
Child Custody & CPS Testing
Court-Ordered Drug Testing
Fingernail Drug Testing
Hair Follicle Testing
Immigration Drug Testing
Motor Vehicle (DMV)
Probation & Rehabilitation Testing
Saliva Testing
TPA Drug & Alcohol Consortium

Testimonials

"NextStep Diagnostics exceeded our expectations with their professionalism and efficiency. Their testing process was seamless, and the results came back quicker than we anticipated. Highly recommended!"

"As a healthcare provider, accurate and timely results are crucial. NextStep Diagnostics has consistently delivered reliable testing services, giving us the confidence we need in our operations."

"Scheduling drug tests for my employees has never been easier. NextStep Diagnostics made the entire process simple and stress-free. Their customer service team was also incredibly helpful."

"We’ve partnered with NextStep Diagnostics for over a year now, and their consistent quality and commitment to confidentiality have made them an integral part of our pre-employment screening process."

"I was impressed by the level of support provided by NextStep Diagnostics. They patiently walked us through the testing protocols and answered all our questions. Their expertise is unmatched!"

Get Started Today

At NextStep Diagnostics, we work around your schedule. Book 24/7 for fast, reliable mobile drug testing and workplace screening—on-site or via our emergency mobile testing service.

DOT & Non-DOT Testing | Workplace Compliance | Mobile Service Anywhere

Call Now or Book Online for Same-Day Testing!