DNA TestComprehensive PGx Test

Understand how your genes affect your response to over 150 medications.
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DNA influences medication responseWhat is PGx Testing?

Pharmacogenomic (PGx) testing reveals how your genes affect the way your body processes drugs, making treatment more precise and effective.

PGx testing uses a simple cheek swab to identify how your body responds to a wide range of medications. This includes your likelihood of side effects, metabolism rate, and whether a drug is likely to be effective for you. Instead of relying on trial and error, PGx results help guide your physician to choose medications that are best suited to your biology—reducing the risk of adverse reactions and ineffective treatment.

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Why Texas Diagnostics Labs?

Accurate testing. Clinical-grade reporting. Trusted by providers.

We deliver more than just a lab test—we offer medically actionable insights backed by expert lab science.

Texas Diagnostics Labs partners with providers to ensure PGx results are not only accurate but easy to interpret and apply in real-world care. We focus on clarity, compliance, and communication—making it easier for doctors to act on your results.

Why It Matters

Avoid side effects, skip the guesswork, and find what actually works.
Your DNA can influence how your body breaks down medications, which can affect how well a drug works—or if it’s even safe.

Without PGx testing, doctors may need to try multiple medications before finding one that works. This process can take weeks or months, and cause unnecessary side effects. With a PGx report in hand, your provider can make informed decisions quickly—targeting treatments that are most likely to help, and avoiding those that could cause harm.

How the Test Works

Fast, non-invasive, and easy to complete from home or at your provider’s office.
All it takes is a cheek swab to unlock powerful medication guidance based on your genetics.

After collecting a DNA sample using a swab, you simply return it using the provided kit. Our lab analyzes the sample and delivers a detailed report to your healthcare provider. You’ll receive clear results that can guide current and future medication decisions—especially if your health needs change.

What’s Included in the PGx Test?

Broad coverage across key treatment categories—over 150 medications reviewed.
Your personalized PGx report includes results for multiple therapeutic areas to support ongoing and complex care.

We analyze genes related to drug metabolism and response across major categories, including:

  • Pain Management (Opioids, NSAIDs)

  • Cardiovascular (Beta-blockers, Statins, ACE inhibitors)

  • Mental Health (Antidepressants, Antipsychotics, Mood stabilizers)

  • Gastrointestinal (Antiemetics, PPIs)

  • Infectious Disease (Antiretrovirals, Antifungals)

  • Diabetes and Endocrine treatments

  • Immunosuppressants and Anti-inflammatory medications

  • Hormonal Therapies, including contraceptives

  • Urological Agents and Alpha-blockers

  • Oncology and Antineoplastic agents

What You’ll Learn From the Results

A custom roadmap for medication selection and dosing.
Your PGx report isn’t just data—it’s a guide to personalized care, giving your doctor real-time decision-making tools.

Your report includes:

  • How your genes affect the way you metabolize over 150 medications

  • Which drugs are likely to be effective or cause side effects

  • Dosage recommendations based on your genetic profile

  • A list of medications to avoid

  • Support for managing multiple prescriptions safely

This information becomes a lasting resource your provider can refer to as your health evolves or new treatments are introduced.

Who Should Consider PGx Testing?

Valuable for patients with chronic illness, polypharmacy, or unclear treatment outcomes.
Anyone prescribed medications—especially more than one—can benefit from PGx insights.

PGx testing is especially helpful for:

  • Patients with depression, anxiety, or mood disorders

  • Those managing chronic pain or cardiovascular disease

  • Individuals who have experienced unusual side effects or poor responses to medications

  • Anyone starting a new long-term medication

  • People taking multiple prescriptions who want to reduce drug interactions

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Take the Next Step in Personalized Medicine

Find the right medication the first time.
Eliminate trial and error for 150+ medications
Gather dosage insight
Find alternatives to high-risk medications

With our Comprehensive PGx Test, you’re one step closer to safer, smarter treatment.

Order your test kit today or talk to your doctor about PGx testing through Texas Diagnostics Labs.

What We Test

All test results in our Pain Management, Cardiovascular and Mental Health Tests as well as the following...

Antidiabetic

Proton Pump Inhibitors

Anti-Dyskinesia Agents

Immunosuppressants

Contraceptives

Other Medications

Antineoplastic Agents

Anti-Retroviral Agents

Antifungals

Urinary

Antiemetics