Drug Test Services - Constantine, MI

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

With 40 testing centers in the Constantine 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.

40 Drug Test Service Centers in Constantine

Minutes Away, Test Today

67105 Us Highway 131 S

1.69 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
67105 Us Highway 131 S
Constantine, MI 49042

701 S Health Pkwy

6.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
701 S Health Pkwy
Three Rivers, MI 49093

16587 Enterprise Dr

8.94 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
16587 Enterprise Dr
Three Rivers, MI 49093

1717 E Chicago Rd Ste 3 Am/pm Care

11.08 mi
🕑 Testing Hours: M-Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1717 E Chicago Rd Ste 3 Am/pm Care
Sturgis, MI 49091

407 N Main St

11.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
407 N Main St
Middlebury, IN 46540

70420 M 66

12.94 mi
🕑 Testing Hours: M-Sun: 9:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
70420 M 66
Sturgis, MI 49091

916 Myrtle St

13.78 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
916 Myrtle St
Sturgis, MI 49091

5218 Beck Drive Suite 12

15.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5218 Beck Drive Suite 12
Elkhart, IN 46516

22818 Old Us 20

16.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
22818 Old Us 20
Elkhart, IN 46516

45 N 250 W

17.15 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-10:00 PM✓ Walk-in with Electronic Donor Pass
45 N 250 W
Lagrange, IN 46761

3100 Windsor Ct

17.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3100 Windsor Ct
Elkhart, IN 46514

26076 County Road 6

17.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
26076 County Road 6
Elkhart, IN 46514

54595 County Road 17

18.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
54595 County Road 17
Elkhart, IN 46516

900 Johnson Street

18.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
900 Johnson Street
Elkhart, IN 46514

700 E Beardsley Ave Ste 100

18.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
700 E Beardsley Ave Ste 100
Elkhart, IN 46514

207 N Townline Rd

18.50 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
207 N Townline Rd
Lagrange, IN 46761

1104 W Bristol St

19.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1104 W Bristol St
Elkhart, IN 46514

111 South St

19.25 mi
🕑 Facility: Mon–Fri: 06:30 AM - 02:30 PM (Lunch: 12:00 PM - 12:30 PM)⚡ Drug Screens: Mon–Fri: 06:30 AM - 02:00 PM
111 South St
Colon, MI 49040

600 East Blvd

19.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
600 East Blvd
Elkhart, IN 46514

2014 Lincolnway E

20.40 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2014 Lincolnway E
Goshen, IN 46526

303 S Nappanee St

20.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
303 S Nappanee St
Elkhart, IN 46514

2312 Eisenhower Dr N Ste 1

20.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2312 Eisenhower Dr N Ste 1
Goshen, IN 46526

2240 Karisa Dr Ste 3, Goshen Medical Practice In Die

20.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2240 Karisa Dr Ste 3, Goshen Medical Practice In Die
Goshen, IN 46526

13326 N Boulevard St

20.92 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:30 PM • Sat: 10:00 AM-2:30 PM✓ Walk-in with Electronic Donor Pass
13326 N Boulevard St
Vicksburg, MI 49097

5465 E T Ave

23.10 mi
🕑 Testing Hours: Mon–Sat: 9:00 AM-5:00 PM • Sun: 9:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
5465 E T Ave
Vicksburg, MI 49097

520 Main St Ste A

24.91 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-5:00 PM • Sat: 9:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
520 Main St Ste A
Dowagiac, MI 49047

420 W High St

24.92 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-12:00 PM & 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
420 W High St
Dowagiac, MI 49047

7901 Angling Rd

24.96 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM (Lunch: 12:00 PM - 12:30 PM)✓ Walk-in with Electronic Donor Pass
7901 Angling Rd
Portage, MI 49024

6929 S Westnedge Ave

25.06 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 04:00 PM
6929 S Westnedge Ave
Portage, MI 49002

5142 S Westnedge Ave

25.06 mi
🕑 Facility: Mon–Fri: 06:30 AM - 03:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 03:00 PM
5142 S Westnedge Ave
Portage, MI 49002

245 W Centre Ave

25.16 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM✓ Walk-in with Electronic Donor Pass
245 W Centre Ave
Portage, MI 49024

1632 E Day Rd,

27.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1632 E Day Rd,
Mishawaka, IN 46545

7115 Heritage Square Dr Ste 1250

27.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7115 Heritage Square Dr Ste 1250
Granger, IN 46530

6910 N Main St Unit 14a

27.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6910 N Main St Unit 14a
Granger, IN 46530

6913 N Main St

27.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6913 N Main St
Granger, IN 46530

1632 E Day Rd

27.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1632 E Day Rd
Mishawaka, IN 46545

505 W Cleveland Rd

28.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
505 W Cleveland Rd
Mishawaka, IN 46545

2550 Airview Blvd

28.23 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
2550 Airview Blvd
Portage, MI 49002

3515 N Main St., Ste 2

28.38 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3515 N Main St., Ste 2
Mishawaka, IN 46545

3355 Douglas Rd Ste 100

28.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3355 Douglas Rd Ste 100
South Bend, IN 46635

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 is a non-invasive method used to detect drug metabolites in a person's system, typically within a few days of usage. It involves collecting a urine sample which is then analyzed in a laboratory for different substances. It is one of the most common forms of drug testing.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Compliance with legal requirements
  • Monitoring patient medication adherence
  • Ensuring workplace safety
  • Supporting rehabilitation programs

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • Benzodiazepines

With its effectiveness in screening for recent drug use, urine drug testing in Constantine, Michigan offers businesses and individuals a reliable option for maintaining drug-free environments. Our accredited services ensure accurate results with a streamlined collection process.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Constantine, Michigan identifies alcohol presence in the body to promote safety and compliance. Widely utilized in various fields, these tests are vital for organizations at risk of alcohol-related incidents. Different methods provide the flexibility needed for diverse requirements.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Legal investigations
  • School drug policies
  • Clinical assessments
  • Sports organizations

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Sweat patch

Breathalyzer - Provides quick results for immediate analysis

Blood test - Offers high accuracy and is used in legal contexts

Saliva test - Convenient with a moderate detection window

Urine test - Detects presence after ingestion for several days

Sweat patch - Monitors continuous alcohol consumption

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Constantine, Michigan involves analyzing a small hair sample to detect drug use over the past 90 days. This method is non-invasive and highly accurate, making it an effective option for long-term substance monitoring.

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Why Use Hair Drug Testing?

  • Extended detection window
  • Difficult to adulterate
  • Comprehensive history
  • Non-invasive collection
  • Reliable results

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opioids
  • PCP
  • Ecstasy

Through hair testing, Constantine, Michigan ensures a robust process for identifying drug use, helping employers and authorities maintain safety and compliance.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is a federally mandated program for employees in safety-sensitive positions such as transportation. It involves regulated procedures including urine samples to ensure compliance with safety standards, reducing risks associated with drug use.

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Who is Required to Take DOT Drug Tests?

  • Commercial driver's license holders
  • Aircraft pilots
  • Railroad operators
  • Pipeline workers
  • Maritime captains
  • Public transit employees

What Drugs Are Tested For

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

In, Constantine, Michigan, DOT drug testing safeguards transportation systems through strict adherence to federal guidelines. Our services ensure comprehensive compliance and safety, benefiting both employees and employers statewide.

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Probation Drug Testing Services

Probation drug testing in Constantine, Michigan is designed to monitor compliance with court-ordered substance restrictions using various testing methods for accurate results.

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Why Are Probation Drug Test Services Available?

  • Compliance monitoring: Ensures adherence to probation terms
  • Rehabilitation tracking: Tracks substance use reduction
  • Court orders: Mandates from judicial system
  • Community safety: Prevents public harm
  • Behavior assessment: Evaluates probation progression

Testing Methods

  • Urine tests: Quick analysis for recent use
  • Hair follicle tests: Long-term substance history
  • Saliva tests: Immediate detection capabilities
  • Blood tests: Accurate for current substance levels

Probation drug testing is pivotal in Constantine, Michigan for ensuring compliance, supporting rehabilitation, and protecting community safety.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Constantine, Michigan is a legal requirement to ensure compliance with court orders, involving various testing methods to monitor prohibited substance use.

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Why are Court Ordered Drug Test Services Available?

  • Legal compliance
  • Safety assurance
  • Rehabilitation monitoring
  • Custody decisions
  • Public safety protection

Court Ordered Test Methods

  • Urine tests: Used for recent drug use detection
  • Hair follicle tests: Provides long-term use overview
  • Saliva tests: Quick, on-site testing method
  • Blood tests: Detailed analysis for certain drugs
  • Nail tests: Offers extended detection windows

These testing services in Constantine, Michigan ensure legal compliance and community safety, providing essential insights for judicial decisions.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Constantine, Michigan analyzes keratin tissue in nails to track drug use over a long duration, typically looking back at least several months. This method offers a unique perspective on long-term substance abuse.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Provides a drug usage history of 6-12 months.
  • Toenails: Offers an extended detection period up to a year.

What Drugs Can Be Detected

  • Methamphetamines
  • Heroin
  • Cocaine
  • Ecstasy
  • Opiates
  • Benzodiazepines

Advantages over other methods

  • Non-invasive collection
  • Extensive detection periods
  • Reliable results
  • Less chance of contamination
  • Accurate historical drug use data

In Constantine, Michigan, fingernail testing offers significant advantages for long-term monitoring of drug use, aiding in legal cases and rehabilitation efforts.

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Occupational Health Test Services

Occupational health testing in Constantine, Michigan is a comprehensive approach to assess the health and safety of employees. This includes drug screenings and other tests to ensure workers are fit for their roles, contributing to overall workplace safety and compliance with health regulations.

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Purpose of Occupational Health Testing

  • Ensuring workplace safety
  • Compliance with industry regulations
  • Identification of work-related health issues
  • Support of employee health practices
  • Risk management in hazardous environments

Common Types of Occupational Health Tests

  • Fitness for duty exams: Evaluates physical capability for specific job roles
  • Respirator Fit Testing: Ensures proper fit of respirators
  • Pulmonary Function Tests (PFT's): Assesses lung capacity and function
  • Tuberculosis (TB) tests: Checks for TB infections
  • Vision tests: Determines visual acuity for job safety

In Constantine, Michigan, occupational health testing is vital to maintaining a healthy workforce and fostering a proactive approach to health and safety challenges.

Order Your Test Online

Drug Statistics for Constantine, Michigan

While specific drug-related statistics for Constantine, Michigan, are limited, the broader St. Joseph County has reported various substance use trends that reflect statewide concerns. Commonly misused substances include opioids, methamphetamines, and prescription drugs.

Public health initiatives in the area focus on increasing awareness and prevention efforts, aiming to reduce substance misuse through community education and support programs. Additionally, law enforcement agencies are engaged in efforts to curb the distribution and use of illegal substances, promoting a safer environment for Constantine residents.

Drug Testing Regulations in Michigan

Employer drug testing in Constantine must comply with state guidelines under M.C.L. § 421.29. Michigan law supports employer rights to test applicants and active workforce members, denying unemployment benefits for policy violations under MCL 421.29.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near Constantine

Pigeon • White Pigeon • Three Rivers • Centreville • Omena • Sturgis • Marcellus • Mendon

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

Constantine Drug Testing

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

Constantine DOT Drug Testing

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

Constantine DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Constantine, MI.

Constantine Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Constantine, MI.v

Constantine Hair Drug Testing

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

Constantine Alcohol Testing

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

Constantine Drug Testing Services

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

Constantine 5 Panel Drug Test

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

Constantine 10 Panel Drug Test

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

Constantine On Site Drug Testing

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

Constantine DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Constantine, MI 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 Michigan, workplace drug testing is governed by statutory guidelines under M.C.L. § 421.29. Private employers generally operate under a Michigan Employment Security Act (M.C.L. § 421.29), permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Michigan who implement a certified Drug-Free Workplace Program in compliance with M.C.L. § 421.29 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Michigan state law compliance standards, state statutes allows employers to enforce zero-tolerance cannabis rules. 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 Constantine area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Constantine, 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

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

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

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

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

Everything was great

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

Olga Petrova - 9/19/2024


(800) 221-4291