Our team of highly trained and experienced medical professionals is dedicated to providing the best possible care to our patients. From phlebotomists to pathologists, we work together to ensure accurate results and prompt communication. Every test is performed with precision, compassion, and a commitment to excellence.
Founded in 2022, AB Lab & Diagnostics has been committed to providing accurate and timely diagnostic and testing services to our patients. Over the years, we’ve grown into one of the most trusted and advanced clinical laboratories in Merrillville, Indiana, setting new standards in care, efficiency, and accuracy.
At AB Lab & Diagnostics, we offer a wide range of clinical, identification, and professional services — all designed to deliver convenience, accuracy, and reliability for individuals and businesses.
At AB Lab & Diagnostics, we are committed to excellence in every service we provide. From advanced laboratory testing to professional certifications and mobile solutions, our focus is on delivering accurate results, reliable service, and exceptional care.
At AB Lab & Diagnostics, we believe progress begins with curiosity. Every month, our team explores new ways to improve our testing methods, expand our services, and enhance client satisfaction. From modern lab techniques to mobile solutions, innovation is at the heart of everything we do.
To be a trusted leader in diagnostics and community wellness by combining accuracy, accessibility, and innovation—making essential health and professional services available to everyone with confidence and care.
Our mission is to deliver dependable testing, quality healthcare solutions, and exceptional customer support through a team of skilled professionals dedicated to precision, privacy, and compassion.
We stand by our promise to provide accurate results, reliable service, and a customer experience built on trust and excellence.
Have questions about our services? We’re here to help. From lab testing and fingerprinting to certifications and home care, here are some of the most common questions our clients ask — along with clear, helpful answers to guide you.
We offer a wide range of services, including drug and DNA testing, fingerprinting (TSA Precheck, TWIC card, Hazmat), TB testing, CPR BLS/First Aid certification, mobile notary, and virtual mailbox services—all in one convenient location.
Our facility is located at 5475 Broadway Merrillville Indiana 46410, and we proudly serve clients across Indiana and neighboring areas.
Walk-ins are welcome for most services; however, appointments are recommended for DNA testing, fingerprinting, and CPR training to ensure faster service.
We provide instant and lab-based drug testing, urine, hair and oral samples for pre-employment, random screening, DOT, and personal purposes. Both onsite and mobile testing options are available.
Yes, we offer mobile drug testing and notary services for businesses, events, and home visits—saving you time and ensuring convenience.
You can register by calling (800) 318-2900.
Our virtual mailbox service lets you receive, scan, and forward mail securely using a digital address—ideal for businesses, travelers, and remote professionals.
You can reach us via phone at (800) 318-2900, visit our Merrillville office, or use the contact form on our website. Our team will be happy to assist you with any questions.
Our DNA testing services include paternity and relationship testing, ancestry, and health risk assessments. All tests are conducted confidentially and meet legal standards when required.
