Texas Diagnostic Laboratories is a state-wide provider of clinical testing which is used to serve doctors, clinics and families working within the Houston region. Our group unites the decades of experience working in laboratories and a deeply committed concern with the welfare of the community. We will be proud to provide you with precise results and a friendly patient-first service approach that feels like you have been with us. All samples are treated with care and respect and maximum professionalism. We will assist you to be healthy and informed throughout the journey.
We offer a wide range of testing, including routine blood work, allergy and hormone panels, toxicology testing, and infectious disease screening. Our lab supports both individuals and healthcare providers with reliable service.
Not always—many of our tests are available through direct-access testing. It’s a simple and convenient option for patients who want quick answers without a referral.
Yes, we offer both legal and non-legal DNA and paternity testing by appointment. Our staff ensures your privacy and guides you through each step of the process.
Yes, you can access your results through our secure online patient portal. It’s easy to use and keeps all your reports in one convenient location.
Hours vary by location, but most labs are open Monday through Friday from 8 AM to 5 PM. Feel free to call ahead if you need specific timing.
Yes, we provide blood-based allergy tests for both environmental and food sensitivities. These tests help identify triggers and support treatment planning.
Absolutely—standing orders are available for diabetes, thyroid disorders, hormone monitoring, and other ongoing needs. We make routine follow-up testing simple and consistent.
Yes, walk-ins are welcome for most tests. Scheduling in advance can help reduce wait times, especially during busy hours.
Yes, we work with local businesses to provide annual wellness screenings and biometric assessments. It’s a great way to support employee health.
We accept major credit cards, HSA/FSA cards, and offer flexible self-pay options. Our team can help you choose the payment method that works best for you.
Yes, we offer child-friendly testing and do our best to make young patients comfortable. Our staff is trained to support families with care and patience.
Most routine tests are completed within 24–48 hours. Some specialized panels may take longer, and we’ll keep you updated throughout the process.
Yes, we provide mobile and on-site blood draw services for homebound patients and busy clinics. It’s a convenient option when travel isn’t possible.
Yes, we follow strict HIPAA guidelines to protect your privacy. All your personal information and test results remain secure at every step.
Yes, our team is always happy to review your results and explain what they mean. We want you to feel confident and informed about your health.
