Accuracy in Every Test.
Compassion in Every Result.
PHD Laboratory connects patients and providers with next-generation diagnostic insights. Choose your path below to get started.
Pharmacogenomics (PGx)
Genetic testing to personalize your medication.
Explore PGxClinical Toxicology
Urine & Oral fluid drug monitoring solutions.
Explore ToxicologyWorkplace Testing
Non-DOT drug screening for safer workplaces.
Explore Workplace
Accurate, Clear, and Compassionate Testing
Better information leads to better health. At PHD Laboratory, located at 5104 Reagan Drive, we provide fast, reliable, and easy-to-understand testing services that help patients and healthcare providers make confident decisions.
Whether you're managing medications, monitoring treatment, or simply looking for answers, our team is here to support you. We take pride in offering personalized support and a smooth testing experience for every patient.
Fast Results
Same-day results available for select tests.
Modern Tech
Advanced mass spectrometry & PCR.
Clear Reporting
Results delivered in plain language.
Local & Nationwide
Charlotte-based with nationwide service & partnerships.
A Trusted Laboratory Partner
From our Charlotte, NC facility, PHD Laboratory delivers CLIA-licensed, COLA-accredited diagnostic testing to patients and healthcare providers across the nation.
CLIA Licensed Laboratory
Certified for high-complexity testing
COLA Accredited
Independent laboratory accreditation
In-House Testing
All samples processed at our Charlotte facility
Advanced Technology
LC-MS/MS, PCR-based molecular methods
Nationwide Service
Local roots, coast-to-coast partnerships
Genetic Counselor Support
30-min consult with every PGx order
About PHD Laboratory
Precision Medicine.
Personalized Care.
PHD Laboratory was founded with a single mission: to bring the power of precision diagnostics to every patient, regardless of background or ancestry. Located at 5104 Reagan Drive in Charlotte, NC, we serve healthcare providers and communities both locally and nationwide.
Under the leadership of CEO Dr. Troy Veale, our team is dedicated to eliminating the trial-and-error approach to medication — delivering the right drug, at the right dose, for the right patient.
"Better information leads to better health. We believe every patient deserves a personalized approach to their care."
— Dr. Troy Veale, CEO
PHD Laboratory, Charlotte, NC
200+
Medications Covered
20+
Therapeutic Areas
The Right Medication.
For Your Unique Biology.
Pharmacogenomic (PGx) testing analyzes how a person's genes affect their response to medications. This helps providers determine which medications work best, which may cause side effects, and which the body may metabolize too quickly or too slowly.
Which Medications Work Best
Identify medications most likely to be effective based on your individual genetic profile.
Avoid Adverse Side Effects
Pinpoint medications that may cause dangerous reactions or adverse effects in your body.
Optimize Metabolism & Dosing
Understand if your body processes medications too quickly, too slowly, or at the right rate.
Therapeutic Areas Covered
PGx testing supports providers across a broad range of specialties and medication categories.
Partner with Precision.
We empower clinics and physicians with reliable diagnostic data. Our reports are designed for clarity, integrating seamlessly into your workflow to support evidence-based medicine.
Fast Turnaround
24-48 hour reporting for most panels.
Actionable Reports
Clear "Consistent/Inconsistent" flagging.
Why Providers Trust PHD
Accuracy
LC/MS/MS & PCR Tech
Support
Direct Lab Access
Compliance
CLIA & COLA Certified
Speed
Rapid Processing
Partner With PHD Laboratory
We work with a wide range of organizations to deliver precision diagnostic services. Whether you're a solo provider or a large institution, we have a partnership model for you.
Healthcare Providers
Physicians, nurse practitioners, and clinics seeking precise diagnostic support.
Learn More →Behavioral Health Agencies
Mental health and substance use treatment organizations.
Learn More →Senior Living Facilities
Assisted living and skilled nursing facilities managing complex medications.
Learn More →Employers
Companies requiring drug screening, workplace safety programs, or employee wellness.
Learn More →Government Agencies
Public sector organizations needing reliable diagnostic services.
Learn More →Ready to Partner?
Reach out to schedule a presentation or discuss how PHD Laboratory can support your organization.