est Smartly Labs Testing Centers are clean, comfortable, convenient & confidential. Affordable testing for nearly every type of lab test including Drug & Alcohol, Paternity, DNA, STDs, Allergies, Titers, Hormones, and Blood Tests. While we don’t treat sick patients, we fill the incredibly important role of testing for and identifying deficiencies, illicit drug usage, DNA and much much more. Our valued clients are Individuals, Employers, Small to Medium Sized Businesses, Social Services, Court and Government agencies including DOT. Walk-ins are welcome & insurance is never required. We offer fast turnaround, on-site testing and 24/7 mobile drug and alcohol testing. Our Overland Park location is open on Saturday for all your testing needs.