Business Hours: Mon-Fri 8:30am-4pm Office Phone: (865) 980-0600
PLEASE NOTE-- APPOINTMENT REQUIRED FOR TESTING. If you are coming to our office for drug/alcohol testing, you should arrive at our facility NO LATER than 3:30 pm. Thanks!
![](https://tndac.org/wp-content/uploads/2018/05/alcohol-testing-icon.png)
Alcohol Testing
Breathalyzer, Urinalysis for Alcohol EtG/EtS, 24/7 On-call services for employers: (865) 323-1200
![](https://tndac.org/wp-content/uploads/2018/05/drug-testing-icon.png)
Drug Testing
Urinalysis, Hair & Nail Testing, On-site Testing, Workers Comp Testing, 24/7 On-call services for employers: (865) 323-1200
![](https://tndac.org/wp-content/uploads/2018/05/dna-testing-icon.png)
DNA Testing
Accredited, legal & confidential testing for paternity, family relationship & ancestry, by appointment only
![](https://tndac.org/wp-content/uploads/2018/05/phlebotomy-icon.png)
DOT/Federal Consortium
Random selection & testing services for DOT/Federal employers & their safety-sensitive employees