✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in Constantine, MI

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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

40 Drug-Testing Centers in Constantine

Same-Day Electronic Donor Pass Accepted at All Locations Below

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

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing provides a wide range of drug and alcohol testing services at 40 centers in Constantine, Michigan. Our offerings include DOT and non-DOT urine tests, breath alcohol assessments, EtG alcohol screening, and hair analysis for various clients ranging from private individuals to businesses and legal entities. In Constantine, MI, we deliver quick result testing and SAMSA-approved lab evaluations. Same-day services are available, and many Constantine testing facilities are conveniently located close to your residence or workplace. We also provide Occupational Health Assessments, Clinical Testings, and Background Verifications.

Dial (800) 221-4291 or register online. Simply pick your preferred test and select a local center—testing is accessible for individuals, staff, or other persons. Setting up a test is Quick and Simple, with our scheduling team ready by phone or online 24/7. Our efficient and intuitive system ensures you can conveniently organize drug screenings near Constantine without hassle.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

How the Drug Testing Process Works in Constantine, MI

1

Order Online or Call

Select your test & search nearby Constantine collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

Constantine, MI Drug Testing

Drug Testing Services Available at Our Constantine, MI Labs:

At our Constantine drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Michigan Drug Testing Laws & Compliance in Constantine

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Constantine, MI adhering strictly to M.C.L. § 421.29, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
M.C.L. § 421.29
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Michigan law supports employer rights to test applicants and active workforce members, denying unemployment benefits for policy violations under MCL 421.29.

Under M.C.L. § 421.29, employers in Constantine may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal; Recreational: Legal in Michigan), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in Constantine, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Constantine and Michigan.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in Constantine, MI

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Constantine to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key Constantine Neighborhoods Covered:

● Downtown Constantine ● Central Business District ● North Constantine Commercial Corridor ● South Constantine Industrial Park ● East Constantine Metro Area ● West Constantine Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

Constantine Main Street Commercial District • Constantine Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in Constantine? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near Constantine

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

Constantine, MI Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Constantine.

Test Type & Local Panel Detection Window Common Use Cases in Constantine Turnaround Time
5-Panel Urine Screen in Constantine →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in Constantine →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Constantine →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in Constantine →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in Constantine →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in Constantine →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in Constantine, MI

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Constantine.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your Constantine facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Constantine, MI

Need immediate walk-in service in Constantine? View our Walk-In Drug Testing Near Me in Constantine, MI facility guide or order an instant electronic donor pass online.

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 40 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

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

Reception is kind and helpful

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

Yusuf Narmuradov - 11/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


(800) 221-4291