Drug Test Services - Knox, IN

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 35 testing centers in the Knox area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

35 Drug Test Service Centers in Knox

Minutes Away, Test Today

406 N 1st St Ste C

6.01 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
406 N 1st St Ste C
Vincennes, IN 47591

328 N. 2nd St, Ste 203

6.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
328 N. 2nd St, Ste 203
Vincennes, IN 47591

520 S 7th St

6.24 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:30 PM • Sat:,Sun: 8:00 AM-1:30 PM✓ Walk-in with Electronic Donor Pass
520 S 7th St
Vincennes, IN 47591

1201 Main St 12th & Main

8.63 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:30 AM & 1:30 PM-3:00 PM✓ Walk-in with Electronic Donor Pass
1201 Main St 12th & Main
Monroe City, IN 47557

15424 E State Road 358

11.36 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:30 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
15424 E State Road 358
Edwardsport, IN 47528

1314 E Walnut St Daviess Community Hospital

13.32 mi
🕑 Testing Hours: Mon–Fri: 10:30 AM-2:30 PM • Sat: 8:00 AM-10:00 AM✓ Walk-in with Electronic Donor Pass
1314 E Walnut St Daviess Community Hospital
Washington, IN 47501

1400 Grand Ave

14.14 mi
🕑 Testing Hours: Mon–Fri: 11:00 AM-12:00 PM & 1:00 PM-1:30 PM✓ Walk-in with Electronic Donor Pass
1400 Grand Ave
Washington, IN 47501

2200 State St

15.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2200 State St
Lawrenceville, IL 62439

5066 North 900 E

24.35 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5066 North 900 E
Montgomery, IN 47558

1808 Sherman Dr

24.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1808 Sherman Dr
Princeton, IN 47670

401 N Richland Creek Dr

24.71 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
401 N Richland Creek Dr
Princeton, IN 47670

685 Vail St

25.43 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
685 Vail St
Princeton, IN 47670

202 N West St

25.94 mi
🕑 Testing Hours: M-Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
202 N West St
Odon, IN 47562

1418 College Dr

26.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1418 College Dr
Mount Carmel, IL 62863

1409 S Eaton St

26.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1409 S Eaton St
Robinson, IL 62454

400 S Marathon Ave

27.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 S Marathon Ave
Robinson, IL 62454

1404 E Main St

27.44 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1404 E Main St
Robinson, IL 62454

2200 N Section St

29.91 mi
🕑 Testing Hours: M-Sun: Vary✓ Walk-in with Electronic Donor Pass
2200 N Section St
Sullivan, IN 47882

123 N Mccreary St

31.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
123 N Mccreary St
Fort Branch, IN 47648

800 W 9th St

32.83 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
800 W 9th St
Jasper, IN 47546

R.r.1,box300 State Rd.64 West

32.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
R.r.1,box300 State Rd.64 West
Owensville, IN 47665

695 W 2nd St

33.11 mi
🕑 Testing Hours: M,W,F 9:00 AM-12:00 PM • T,Th 9:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
695 W 2nd St
Jasper, IN 47546

695 3rd Ave

34.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-12:00 PM & 1:30 PM-3:00 PM✓ Walk-in with Electronic Donor Pass
695 3rd Ave
Jasper, IN 47546

1700 E Main St

35.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 E Main St
Olney, IL 62450

800 E Locust St

35.67 mi
🕑 Testing Hours: Mon–Fri: 6:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
800 E Locust St
Olney, IL 62450

801 S West St

36.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
801 S West St
Olney, IL 62450

9529 W State Road 56

43.12 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
9529 W State Road 56
French Lick, IN 47432

106 Edwards St

44.74 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
106 Edwards St
Newton, IL 62448

1116 Millis Ave

45.56 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1116 Millis Ave
Boonville, IN 47601

4506 N 1st Ave

46.97 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
4506 N 1st Ave
Evansville, IN 47710

417 N Weinbach Ave Ste 201

46.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
417 N Weinbach Ave Ste 201
Evansville, IN 47711

2330 Lynch Rd North Pointe Medical Plaza

46.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2330 Lynch Rd North Pointe Medical Plaza
Evansville, IN 47711

1985 E Freedom Dr

47.20 mi
🕑 Testing Hours: M-Th 10:00 AM-3:30 PM • F 10:00 AM-12:30 PM • Sat: 11:00 AM-12:30 PM✓ Walk-in with Electronic Donor Pass
1985 E Freedom Dr
Newberry, IN 47449

92 W Christmas Blvd

47.41 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-7:00 PM✓ Walk-in with Electronic Donor Pass
92 W Christmas Blvd
Santa Claus, IN 47579

3844 N 1st Ave

47.42 mi
🕑 Testing Hours: M-Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
3844 N 1st Ave
Evansville, IN 47710

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing, a conventional method used to detect illicit drugs and prescriptions, remains a critical tool in safety and compliance programs. Utilizing enzyme immunoassay screening and gas chromatography/mass spectrometry confirmation, it provides reliable data for informed decision-making. Learn More

Purpose of Urine Drug Testing

  • Ensure Workplace Safety
  • Enhance Compliance with Regulations
  • Monitor Substance Abuse Treatment
  • Post-Accident Investigation
  • Pre-Employment Screening
  • Random Testing in Safety-Sensitive Positions

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines
  • Barbiturates

By providing detailed insights into an individual’s drug use, urine drug testing in Knox, Indiana serves as a vital instrument in promoting healthier and safer communities.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Knox, Indiana measures the amount of alcohol in an individual's system, often determining impairment levels. This testing is critical for ensuring that safety and legal standards are upheld in diverse environments, such as workplaces and transportation, preventing incidents that could arise from alcohol consumption.

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Alcohol Testing is used in many settings

  • Workplaces
  • Law enforcement
  • Rehabilitation centers
  • Healthcare settings
  • Transportation industries

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood tests
  • Saliva tests
  • Urine tests
  • Sweat tests

Breathalyzer - Measures alcohol content by analyzing breath samples.

Blood tests - Provides precise BAC levels through blood analysis.

Saliva tests - Detects recent alcohol use through saliva specimens.

Urine tests - Indicates alcohol consumption over a period of time.

Sweat tests - Monitors continuous alcohol consumption through sweat collection.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in Knox, Indiana involves analyzing hair samples to determine drug usage over an extended period. This method is advantageous for detecting long-term substance use habits.

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Why Use Hair Drug Testing?

  • Long detection window
  • High accuracy
  • Hard to manipulate
  • Non-invasive
  • Comprehensive drug panel

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • PCP

In Knox, Indiana, hair follicle testing is a preferred method for organizations requiring reliable, long-term data on drug use. It provides a comprehensive view of a person's drug consumption history.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is required for employees performing safety-sensitive functions, ensuring the safety and compliance of the transportation sector. This testing identifies prohibited substances through urine samples, adhering to strict federal guidelines. It maintains the integrity of the transport workforce in Knox, Indiana.

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Who is Required to Take DOT Drug Tests?

  • Truck drivers
  • Bus drivers
  • Pilots
  • Train operators
  • Maritime workers
  • Pipeline workers
  • Aviation maintenance crew

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • Phencyclidine (PCP)

In Knox, Indiana, DOT drug testing plays a crucial role in ensuring that transportation workers operate in a drug-free environment, maintaining public safety and operational compliance.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing monitors individuals on probation to ensure compliance with court-ordered substance abuse policies. It serves as a tool for rehabilitation and helps maintain community safety by preventing relapse and promoting recovery among offenders.

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Why Are Probation Drug Test Services Available?

  • Compliance: Ensure legal adherence
  • Rehabilitation: Support recovery
  • Safety: Protect the community
  • Prevention: Deter relapse
  • Monitoring: Track progress

Testing Methods

  • Urine tests: Cost-effective and common
  • Hair follicle tests: Long detection window
  • Saliva tests: Non-invasive and rapid
  • Blood tests: Highly accurate

In Knox, Indiana, probation drug testing is a vital component of community safety, providing a framework for accountability and rehabilitation for individuals on probation.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing mandates individuals to undergo tests for substance use compliance in legal proceedings, such as custody cases or drug-related offenses. Procedures can include urine, hair follicle, saliva, blood, and nail tests, providing essential evidence.

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Why are Court Ordered Drug Test Services Available?

  • Ensure fair legal proceedings
  • Substance abuse monitoring
  • Child custody evaluations
  • DUI or drug-related offenses management
  • Rehabilitative progress checks

Court Ordered Test Methods

  • Urine tests: Widely used, quick results
  • Hair follicle tests: Long detection window
  • Saliva tests: Effective for recent use detection
  • Blood tests: Measures current intoxication
  • Nail tests: Provides extended drug use history

In Knox, Indiana, court ordered drug testing provides a reliable means to maintain legal integrity and support rehabilitation processes, addressing both legal and social challenges associated with substance misuse.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Knox, Indiana is an innovative method to assess long-term drug use through keratin analysis in nails. This method offers an extended detection window and is resistant to adulteration, providing reliable insights into an individual's drug consumption history. It is applicable for legal, employment, and personal assessments.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Offers a drug use history span of 3-6 months.
  • Toenails: Provides a slightly longer detection period than fingernails.

What Drugs Can Be Detected

  • Methamphetamines
  • Cocaine
  • Opiates
  • Marijuana
  • Ecstasy

Advantages over other methods

  • Long detection window
  • Less invasive
  • Difficult to adulterate
  • Suits various settings
  • Support legal and employment cases

In Knox, Indiana, fingernail drug testing is embraced for its accuracy and tamper-proof nature, making it an invaluable tool in multiple drug testing scenarios.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Knox, Indiana ensures that workplace conditions are safe and conducive to employee health. It involves various tests and evaluations to detect potential health risks, ensure compliance with safety regulations, and enhance workplace productivity and employee well-being.

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Purpose of Occupational Health Testing

  • Ensuring workplace safety
  • Identifying health risks early
  • Compliance with regulations
  • Promoting employee wellness
  • Reducing workplace accidents
  • Improving productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Evaluate if employees can perform job effectively.
  • Respirator Fit Testing: Ensures proper face mask fit for protection.
  • Pulmonary Function Tests (PFT's): Assess lung function for respiratory health.
  • Tuberculosis (TB): Screen for TB infection risk in workplaces.
  • Vision: Checks visual capability for job-specific tasks.
  • Audiometric: Evaluates hearing abilities required for safety.

By implementing these tests, Knox, Indiana businesses can maintain compliance with regulatory requirements and enhance overall company health policies, supporting a healthy and efficient workforce.

Order Your Test Online

Drug Statistics for Knox, Indiana

Drug-related statistics for Knox, Indiana, reflect trends that are in line with national averages. Detailed breakdowns often include the types of substances most commonly abused, the age demographics most affected, and corresponding rates of intervention and rehabilitation efforts. Local agencies continue to work diligently to address these concerns through community outreach and education programs.

Drug Testing Regulations in Indiana

Employer drug testing in Knox must comply with state guidelines under Ind. Code § 22-9-5 et seq.. Indiana employers have broad legal authority to mandate pre-employment, random, post-accident, and reasonable suspicion drug testing under state employment laws.

Medical Marijuana Status: Prohibited  |  Recreational Marijuana Status: Prohibited

Surrounding Areas Served Near Knox

Bruceville • Kimmell • Vincennes • Ragsdale • Wheatland • Emison • Bicknell • Iona

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

Knox Drug Testing

Quickly find trusted local drug testing centers in Knox, IN — fast, convenient, and reliable every time!

Knox DOT Drug Testing

Quickly find a local DOT drug testing center in Knox, IN — fast, reliable, convenient nationwide service!

Knox DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Knox, IN.

Knox Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Knox, IN.v

Knox Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Knox, IN locations—results you can trust, every time!

Knox Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Knox, IN.

Knox Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Knox, IN.

Knox 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Knox, IN employers and individuals nationwide.

Knox 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Knox, IN workplace and personal testing needs.

Knox On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Knox, IN workplace compliant.

Knox DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knox, IN drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

In Indiana, workplace drug testing is governed by statutory guidelines under Ind. Code § 22-9-5 et seq.. Private employers generally operate under a Indiana Code Title 22 labor rules, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Indiana who implement a certified Drug-Free Workplace Program in compliance with Ind. Code § 22-9-5 et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Indiana state law compliance standards, state statutes permits zero-tolerance drug policies for private employers. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 0 certified collection sites in the Knox area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Knox, registering your test online or calling (800) 221-4291 prior to visiting guarantees rapid priority specimen collection with an instant barcode pass.
Negative drug and alcohol test results are typically released within 24 to 48 hours of specimen processing. Any non-negative screenings undergo confirmatory GC/MS or LC/MS testing and licensed Medical Review Officer (MRO) verification within 3 to 5 business days.

Customer Reviews

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025


(800) 221-4291