Drug Testing in Chattanooga, TN
Certified drug, alcohol, and DNA testing for Chattanooga and Hamilton County. Order online, take your lab pass to a participating Quest Diagnostics or Labcorp collection clinic, and keep the testing step separate from the scheduling work.
How to get a drug test in Chattanooga
Choose the test online and pay securely. You receive a lab pass by email within minutes. Take that pass to a participating Quest Diagnostics or Labcorp collection clinic in the Chattanooga area. Most negative results reach your secure account within 24 to 48 hours.
Chattanooga area coverage: Collection clinics serve Downtown Chattanooga, Northshore, East Brainerd, Hixson, Red Bank, East Ridge, Ooltewah and the wider Hamilton County market, with additional options for people commuting in from Bradley, Marion and surrounding counties.
Chattanooga Neighborhoods and ZIP Codes We Serve
Collection clinics serve Downtown Chattanooga, Northshore, East Brainerd, Hixson, Red Bank, East Ridge, Ooltewah and the wider Hamilton County market, with additional options for people commuting in from Bradley, Marion and surrounding counties. Use the finder below to confirm the closest participating collection clinic before you order.
Chattanooga Market
Hamilton CountyDowntown and Central 37402, 37403, 37404
- Downtown Chattanooga
- Northshore
- Southside
- Hill City
- Riverview
East Chattanooga and East Ridge 37404, 37406, 37407, 37412
- East Chattanooga
- East Ridge
- Ridgedale
- East Lake
- Highland Park
Hixson and North Hamilton 37343, 37405, 37415, 37416
- Hixson
- Red Bank
- Soddy-Daisy
- Lupton City
- Dallas Bay
Southeast Chattanooga 37421, 37411
- East Brainerd
- Brainerd
- Tyner
- Shallowford
- Hamilton Place
Lookout Valley and West 37409, 37419
- Lookout Valley
- St. Elmo
- Alton Park
- Tiftonia
Ooltewah and Collegedale 37315, 37363
- Ooltewah
- Collegedale
- Apison
- Cambridge Square
Coverage is based on the broader Chattanooga market. Use the collection clinic finder for the current participating locations and hours.
Find a Collection Clinic Near Chattanooga
Enter your ZIP code to see participating Quest Diagnostics and Labcorp collection clinics serving Chattanooga and Hamilton County, along with current addresses and hours. Choose the clinic during checkout after confirming the test provider.
Quest Diagnostics tests must be completed at a Quest clinic, and Labcorp tests at a Labcorp clinic. Use the provider filter above to match the test you intend to order.
Tests Available in Chattanooga
Every test is processed through a certified laboratory partner. Applicable tests include Medical Review Officer review and chain of custody documentation.
Urine Drug Tests
The most widely accepted panel type, including 5 panel, 10 panel, and 12 panel options with expanded opiates and alcohol add-ons.
Hair Drug Tests
A longer detection window than urine, typically covering up to about 90 days. Panels available from 5 to 17 substances.
DNA and Paternity Testing
Home test kits for personal answers, and legally admissible testing with chain of custody for court matters.
Nail Drug Tests
Fingernail or toenail testing, useful when hair is unavailable or when a longer look back period is needed.
Oral Fluid Tests
A directly observed saliva collection, often used for reasonable suspicion and post-incident testing.
Alcohol Testing
Breath alcohol testing for current impairment, plus urine and hair EtG testing for a longer detection window.
Popular in Chattanooga
Drug Testing for Chattanooga's Manufacturing and Industrial Workforce
Manufacturing and automotive
Chattanooga's industrial base includes the Volkswagen Chattanooga plant, which reports about 4,500 careers at the facility. Manufacturing employers commonly need repeatable pre-employment, random, post-accident and reasonable suspicion programs. The practical issue is not just choosing a panel. It is making sure the employee can reach the right collection clinic without disrupting a production schedule.
Transportation and distribution
Chattanooga sits at the intersection of major freight routes including I-24, I-75 and I-59. That makes commercial drivers, warehouse teams and fleet employees an important part of the local testing market. DOT programs have specific federal requirements, so a regulated driver should order the test that matches the employer's program rather than substituting a standard workplace panel.
Legal and family testing
Hamilton County residents also use testing for court, probation and family matters. Drug and alcohol testing can require documented chain of custody, while legal DNA testing requires identity verification and controlled collection. The purpose is to produce documentation that can be used in the proceeding, not simply a result viewed by the donor.
What matters when choosing a test
- Match the specimen type to the employer, court or program requirement
- Use the correct DOT or non-DOT service when a regulated test is required
- Choose legal DNA collection when the result must support an official proceeding
- Check the collection clinic finder before ordering if travel time matters
- Keep the order and result documentation for your records
Need help choosing a test?
Talk to Our TeamTesting for Chattanooga Employers and Individuals
Automotive Manufacturing
Volkswagen's Chattanooga plant is a major local manufacturing employer, with about 4,500 careers reported by the company. ReliaLab can support employer testing programs for pre-employment and ongoing workplace requirements.
Transportation and Logistics
Chattanooga's interstate network makes freight, trucking and distribution a visible part of the regional economy. DOT and non-DOT testing programs can be structured around the employer's actual requirements.
Healthcare and Education
Hospitals, medical practices, schools and universities employ large local workforces. Testing programs can support hiring, workplace incidents and other employer-directed requirements.
Courts and Individuals
Hamilton County residents may need drug, alcohol or DNA testing for court, probation, family law or personal purposes. Legal collections require the appropriate chain of custody.
How Far Back Each Test Looks
Detection windows are approximate. Actual results depend on the substance, how often it was used, dose, and individual metabolism.
| Test Type | Typical Detection Window | Commonly Used For |
|---|---|---|
| Oral fluid (saliva) | About 24 to 48 hours | Reasonable suspicion, post-incident |
| Urine | Roughly 1 to 4 days for most substances, longer with frequent cannabis use | Pre-employment, DOT, random |
| Breath alcohol | Current impairment only | DOT alcohol testing, post-accident |
| Urine EtG (alcohol) | Up to about 80 hours | Court ordered abstinence monitoring |
| Hair | Up to about 90 days | Pre-employment, custody matters |
| Nail | Up to about 3 to 6 months | Extended history, hair unavailable |
Four Steps From Order to Result
No insurance required, no doctor referral, and no appointment at most Chattanooga collection clinics.
Choose your test
Select the panel and specimen type that matches your requirement.
Order online
Pay securely and receive your lab pass by email within minutes.
Visit a collection clinic
Walk in to a participating Chattanooga area location during business hours.
Get your results
Results arrive in your secure account, typically in 24 to 48 hours.
Testing That Fits the Chattanooga Market
ReliaLab Test provides online ordering with collection through participating Quest Diagnostics and Labcorp collection clinics. That model is useful in Chattanooga because testing is often tied to work schedules, court deadlines or employer onboarding rather than a routine medical visit. The right collection clinic depends on where the donor lives or works, so the ZIP based finder should be used before the order when location is important.
Production schedules do not run on office hours
Manufacturing and distribution employees may work early, late or rotating shifts. Ordering online before leaving for work can reduce the administrative delay, while the collection clinic finder helps identify a participating location near the employee's route.
The metro crosses county and state lines
Chattanooga is close to the Georgia border and serves a regional workforce that moves through Hamilton County every day. For an employer, the useful testing location is often determined by the employee's commute rather than the company mailing address. The ZIP based finder is designed for that practical problem.
Documentation matters when testing is not routine hiring
Court, probation and legal DNA testing have different documentation needs from a simple employer screening. If the result will be used outside an ordinary workplace program, the order should be placed for the appropriate legal or chain of custody service from the beginning.
Results are handled through the secure account associated with the order. When a result requires confirmation or Medical Review Officer review, the additional process is part of producing a defensible result rather than something the donor has to arrange independently.

Chattanooga at a Glance
- Hamilton County collection clinic coverage
- Manufacturing and transportation workforce
- Quest Diagnostics and Labcorp collection options
- Legal drug, alcohol and DNA testing options
- Walk in service at most collection clinics
Need help choosing a test?
Connect With an ExpertOther Tennessee Locations
Chattanooga Testing Questions
You can order a drug test online and use a participating Quest Diagnostics or Labcorp collection clinic serving Chattanooga and Hamilton County. Common areas include Downtown, Northshore, East Brainerd, Hixson, Red Bank and East Ridge. Use the collection clinic finder before ordering if location is the deciding factor.
Yes. Chattanooga has a substantial manufacturing workforce, including the Volkswagen Chattanooga plant. Employers can use pre-employment and other workplace testing programs, with the exact panel and testing event determined by the employer's policy.
Yes. DOT drug testing is available through participating collection clinics. A DOT drug test is different from a general workplace panel and must follow the applicable federal collection and reporting requirements.
Yes. Personal paternity testing and legal DNA testing are different services. A legal test uses identity verification and chain of custody so the result can be documented for a court or other official proceeding.
A home DNA kit is intended for personal testing. If a court or attorney requires legally admissible DNA evidence, use a legal collection with identity verification and chain of custody rather than a self-collected home kit.
Hair drug testing is available through participating collection clinics. Hair testing generally provides a longer lookback than urine, typically up to about 90 days, although actual detection varies by person and substance.
Usually not for standard drug and alcohol collections. Your lab pass is provided after online ordering, and most participating collection clinics accept walk-ins during their operating hours. Some specialized services, including legal DNA collection, may require scheduling.
Start with the exact instruction from the court, probation officer or attorney. Hamilton County Criminal Court and other county courts may have specific requirements for specimen type, frequency and documentation. ReliaLab can provide the ordered testing service, but the legal requirement comes from the authority issuing the order.
Cost depends on the specimen type and panel size. The online catalog shows the available options so you can select the test that matches the requirement before visiting a collection clinic.
Many negative results are typically available in about 24 to 48 hours. If a specimen requires confirmation or Medical Review Officer review, the process can take longer. Hair and nail testing can also require additional processing time.
Order Your Chattanooga Test Today
Certified laboratories, participating collection clinics across Hamilton County, and online ordering that keeps the process straightforward.
No insurance needed. No doctor referral required.





