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Drug Testing Locations in Clarence, IA

With 29 testing centers in the Clarence 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

29 Drug-Testing Centers in Clarence

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

1412 Cedar St

8.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1412 Cedar St
Tipton, IA 52772

200 E 5th St

8.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
200 E 5th St
Tipton, IA 52772

1795 Highway 64 E

18.38 mi
🕑 Testing Hours: M-Sun: 9:00 AM-7:00 PM✓ Walk-in with Electronic Donor Pass
1795 Highway 64 E
Anamosa, IA 52205

620 S Main St

23.35 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM⚡ Drug Screens: Mon–Fri: 07:00 AM - 02:00 PM
620 S Main St
Maquoketa, IA 52060

700 W Grove St

23.46 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM⚡ Drug Screens: Mon–Fri: 07:00 AM - 03:00 PM
700 W Grove St
Maquoketa, IA 52060

619 S Main St

24.68 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
619 S Main St
Monticello, IA 52310

2615 Northgate Dr Ste B

26.47 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:00 PM⚡ Drug Screens: Mon–Fri: 08:00 AM - 03:00 PM
2615 Northgate Dr Ste B
Iowa City, IA 52245

108 Industrial St

27.55 mi
🕑 Testing Hours: Mon–Fri: 12:00 PM-2:00 PM✓ Walk-in with Electronic Donor Pass
108 Industrial St
Dewitt, IA 52742

1118 11th St Laboratory

27.84 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
1118 11th St Laboratory
De Witt, IA 52742

805 Johnson St Sw

27.95 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 03:30 PM
805 Johnson St Sw
Cascade, IA 52033

811 S 1st Ave

28.21 mi
🕑 Testing Hours: M-Th 9:00 AM-4:00 PM • F 9:00 AM-4:30 PM • Sat:,Sun: 9:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
811 S 1st Ave
Iowa City, IA 52245

610 2nd Ave Ne

28.64 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 12:00 PM, 01:00 PM - 04:30 PM
610 2nd Ave Ne
Cascade, IA 52033

626 E Bloomington St

28.75 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
626 E Bloomington St
Iowa City, IA 52245

500 E Market St

28.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
500 E Market St
Iowa City, IA 52245

540 E Jefferson St Ste 205

28.89 mi
🕑 Testing Hours: M-Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
540 E Jefferson St Ste 205
Iowa City, IA 52245

104 Cleveland Street

30.27 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
104 Cleveland Street
Muscatine, IA 52761

3 Lions Dr

30.40 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3 Lions Dr
North Liberty, IA 52317

1505 Plaza Pl

30.75 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
1505 Plaza Pl
Muscatine, IA 52761

1911 1st Ave Se

31.02 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM✓ Walk-in with Electronic Donor Pass
1911 1st Ave Se
Cedar Rapids, IA 52402

1616 Cedar St Lowr Level

31.02 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1616 Cedar St Lowr Level
Muscatine, IA 52761

5250 N Park Pl Ne Ste 205

31.05 mi
🕑 Testing Hours: M-Sun: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
5250 N Park Pl Ne Ste 205
Cedar Rapids, IA 52402

2769 Heartland Dr Suite 205

31.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2769 Heartland Dr Suite 205
Coralville, IA 52241

2104 Cedarwood Dr Ste 102

31.33 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
2104 Cedarwood Dr Ste 102
Muscatine, IA 52761

2109 Cedarwood Dr Ste 100

31.34 mi
🕑 Testing Hours: M-Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
2109 Cedarwood Dr Ste 100
Muscatine, IA 52761

2104 Cedarwood Dr Ste 202

31.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2104 Cedarwood Dr Ste 202
Muscatine, IA 52761

701 10th St Se

31.38 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
701 10th St Se
Cedar Rapids, IA 52403

1518 Mulberry Ave

31.44 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-4:00 PM • Sat: 8:30 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
1518 Mulberry Ave
Muscatine, IA 52761

2769 Heartland Dr Ste 205

31.45 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-5:00 PM • Sat: 9:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
2769 Heartland Dr Ste 205
Coralville, IA 52241

2411 2nd St Ste 1

31.49 mi
🕑 Testing Hours: M-Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2411 2nd St Ste 1
Coralville, IA 52241

Employment, DOT, Court Ordered, Probation, Family

At our 29 testing facilities located around Clarence, Iowa, Accredited Drug Testing delivers all-inclusive drug and alcohol screening solutions. We cater to DOT and non-DOT requirements with urine drug screenings, breathalyzer tests, EtG alcohol assessments, and hair follicle drug checks suitable for personal, employment, or legal purposes. In Clarence, IA, we provide quick result options and SAMSA certified laboratory evaluations, often available within the same day, conveniently located near your home or workplace. Our expanded offerings also include Occupational Health Testing, Clinical Testing, and Background Checks.

Contact us at (800) 221-4291 or register online to begin. Pick your preferred test and a nearby center—tests are accessible for you, your employees, or someone else. Scheduling is swift and straightforward through our scheduling service or online access at any time. Our efficient and intuitive process ensures seamless drug testing arrangements near Clarence.

* 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 Clarence, IA

1

Order Online or Call

Select your test & search nearby Clarence 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.

Clarence, IA Drug Testing

Drug Testing Services Available at Our Clarence, IA Labs:

At our Clarence 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

Iowa Drug Testing Laws & Compliance in Clarence

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Clarence, IA adhering strictly to Iowa Code § 730.5, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Iowa Code § 730.5
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Prohibited
Workplace Rights
Zero-Tolerance Protected

Iowa Code § 730.5 governs private sector employee drug testing, requiring written company policy distribution and certified laboratory screening protocols.

Under Iowa Code § 730.5, employers in Clarence 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 (Medical); Recreational: Prohibited in Iowa), 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 Clarence, 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 Clarence and Iowa.

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 Clarence, IA

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Clarence 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 Clarence Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Clarence

Stanwood • Lowden • Massillon • Oxford Junction • Hale • Olin • Tipton • Toronto

Clarence, IA 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 Clarence.

Test Type & Local Panel Detection Window Common Use Cases in Clarence Turnaround Time
5-Panel Urine Screen in Clarence →
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 Clarence →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Clarence →
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 Clarence →
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 Clarence →
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 Clarence →
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 Clarence, IA

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 Clarence.

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 Clarence facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Clarence, IA

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

Clarence Drug Testing

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

Clarence DOT Drug Testing

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

Clarence DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Clarence, IA.

Clarence Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Clarence, IA.v

Clarence Hair Drug Testing

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

Clarence Alcohol Testing

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

Clarence Drug Testing Services

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

Clarence 5 Panel Drug Test

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

Clarence 10 Panel Drug Test

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

Clarence On Site Drug Testing

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

Clarence DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Clarence, IA 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 Iowa, workplace drug testing is governed by statutory guidelines under Iowa Code § 730.5. Private employers generally operate under a private sector testing framework under Iowa Code § 730.5, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Iowa who implement a certified Drug-Free Workplace Program in compliance with Iowa Code § 730.5 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Iowa state law compliance standards, state statutes does not protect medical marijuana use during working hours. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 29 certified collection sites in the Clarence area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Clarence, 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