
About Legacy Diagnostics
At Legacy Diagnostics, we specialize in providing trusted, professional diagnostic testing services to meet the needs of businesses, government agencies, legal teams, and individuals. Our services include DOT and non-DOT drug and alcohol testing, 5–14 panel screens (including fentanyl), DNA specimen testing, and ink fingerprinting. Every service we offer is backed by strict compliance, confidentiality, and rapid turnaround times.
Our team of certified professionals ensures that each collection and analysis is handled with the highest level of care and precision, so you can move forward with confidence whether you're meeting federal regulations or seeking personal answers.
Our Commitment to Excellence
At Legacy Diagnostics, we believe excellence starts with consistency and ends with results you can trust. We are driven by a mission to deliver reliable, legally defensible, and timely diagnostic testing services in a welcoming, professional environment.
We stay ahead of industry standards by using the latest technology, following proper chain-of-custody protocols, and maintaining a customer-first mindset in every interaction. Our clients trust us because we uphold the values of integrity, accuracy, and professionalism every test, every time.

Our Services
Drug and Alcohol Testing Services
At Legacy Diagnostics, we prioritize your safety and compliance with dependable drug and alcohol testing services. Whether you’re fulfilling workplace mandates, handling personal matters, or meeting legal obligations, our fast, confidential, and precise testing solutions are tailored to fit your needs. Count on our experienced team for efficient service and the peace of mind you deserve.
DNA Testing Services
At Legacy Diagnostics, our professional DNA testing services deliver the answers you need with accuracy and discretion. From paternity testing and ancestry insights to legal DNA verification, we provide reliable results in a supportive and confidential environment. Let our compassionate team guide you through a smooth, stress-free process, so you can move forward with clarity and confidence.
Medical TPA Testing Services
Precision Diagnostic Testing offers comprehensive Third-Party Administrator (TPA) services, managing drug and alcohol testing programs for businesses and organizations. From scheduling and compliance to result reporting and recordkeeping, we handle it all, ensuring your program meets all regulatory requirements with ease.
Fingerprinting Services
Simplify your fingerprinting process with Legacy Diagnostics. Whether you need prints for background checks, employment, licensing, or other official purposes, our advanced technology ensures precise and dependable results. Trust us to deliver a smooth, secure, and stress-free experience every step of the way.

Reliable Drug & Alcohol Testing
Fast, Accurate, Confidential
Ensuring safety and compliance has never been easier. Trust us for workplace screenings, DOT compliance, and personal testing needs with results you can rely on.
Why Choose Legacy Diagnostics?
✔ Comprehensive Services – From drug testing to fingerprinting and DNA testing, we are your trusted one-stop destination for reliable and professional diagnostic services.
✔ Accuracy & Confidentiality – Your privacy is our priority. We deliver precise, secure, and confidential results every time.
✔ Fast Turnaround – Get the answers you need, when you need them, thanks to our efficient and streamlined process.
✔ Experienced Professionals – Our knowledgeable team is committed to providing exceptional service, guidance, and support.
✔ Mobile Services – Designed with your busy life in mind, our services are easy to access and tailored to your schedule.
Business Hours
Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday By Appointment Only
Sunday CLOSED
Available after hours by appointment only.
ADDITIONAL FEES APPLIED TO MOBILE AND AFTER HOURS SERVICES.
+1 (336) 396-6117
115 East Harden Street, Graham, NC, USA