Drug Testing

Drug Testing In Chicago

Fast, reliable drug and alcohol testing for work, court, school, and personal needs.

Need testing today? We’ve got you covered. Fast service, no wait—call or walk in to get started

Types of Drug & Alcohol Tests We Offer

Urine Drug Testing
Hair Follicle Testing
Oral Fluid (Saliva) Testing
Breath Alcohol Testing

Most Popular Tests

DOT Drug Testing

DOT drug testing in accordance with 49 CFR Part 40 standards. We test:

Pre-Employment

Random

Post-Accident

Reasonable Suspicion

Return-to-Duty (Step 5)

Follow-Up (Step 6)

Court-Ordered & Probation Testing

Confidential, accurate testing for probation, DUI, custody, and other legal requirements.

DUI / Alcohol-Related Testing

Breath alcohol testing, EtG alcohol testing (urine or hair), breath tests, and PEth blood testing

Hair & Fingernail Testing

Featuring 90 day detection windows, available in 5, 10, 12 or custom panels

Urine Based Drug Testing

Urine drug testing is available as observed or unobserved, with 5, 7, 10, or 12 Panel options

Pre-Employment Drug Testing

Fast, reliable testing for hiring requirements with lab-based or instant results available.

Available in 5, 7, 10 or 12 Panel

Tests available with or without THC

Negative lab-based results typically available within 2-3 business days

Alcohol Testing (Breath & Urine)

Alcohol tests can detect alcohol or its byproducts in the body, with different detection windows depending on the test used.

Breath alcohol testing (detects alcohol for up to 24 hours)

Standalone EtG testing (detects alcohol for up to 80 hours)

PEth blood test (detects alcohol use for up to 3 weeks)

Hair Follicle Drug Testing

Extended 3 month detection window testing.

Available in 5, 9, 12 or 14 Panel

Can also test hair for 90 day alcohol consumption.

Same-Day Urine Drug Testing (Instant)

For screening purposes only. Positive results are preliminary and may require confirmation by a laboratory test.

Available in 5 or 10 Panel

Call Or Stop In And We’ll Help You Choose The Right Drug Or Alcohol Test For Your Situation

Who Needs Drug Testing?

Healthcare worker wearing PAPR hood during respirator fit testing in clinical setting

Licensing & School

Drug testing for clinical placements, school programs, and professional licensing requirements.

DOT Compliance

DOT-compliant drug and alcohol testing for CDL drivers, including pre-employment, random, and return-to-duty.

Court-Ordered & Legal

Confidential testing for probation, DUI requirements, custody cases, and other legal situations.

Personal Testing

Private testing for personal monitoring, family concerns, and DOT look-alike tests.

Employment & Workplace

Fast, reliable drug testing for pre-employment, random testing, and workplace compliance.

On-Site & Hiring Events

Convenient mobile and on-site testing for groups, hiring events, and employer needs.

Need drug testing for your team? On-site services and nationwide coverage make it easy.

Drug Testing for Employers—Made Simple

On-Site & Hiring Event Testing

We come to you. On-site and hiring event testing makes it easy to screen multiple candidates quickly and keep your hiring process moving. We can also incorporate additional services like physicals and health screenings for a streamlined experience.

Simple, Streamlined Process

We make testing easy with clear communication, minimal paperwork, and step-by-step support for your team. When you work with us, you get direct access to a real person—no phone trees, no runaround.

Nationwide DOT Testing Coverage

We coordinate DOT drug and alcohol testing across the country, making it easy to manage drivers in multiple locations.

Fast, Compliant & Reliable Testing

From quick in-clinic service to accurate collections and prompt result reporting, we help prevent errors that can delay hiring or compliance.

Why Choose DOTDOC For Your Drug Testing Needs?

Certified & Accredited Labs

All tests are processed by SAMHSA-certified laboratories, ensuring accurate, reliable, and legally defensible results.

No Wait & Fast Turnaround

Walk in and get tested quickly— visits take just minutes, not hours. Drug test results available in as little as 2–3 business days.

Nationwide Testing

We can coordinate testing across the country, making it easy for individuals and employers wherever they are.

Convenient Location & Hours

Located right off I-290, less than 10 miles from Chicago, with easy access and ample parking. Available evenings and weekends.

Competitive Pricing

We offer competitive, transparent pricing with no hidden fees. Compare our rates—you’ll see the difference.

Trusted & Reliable

We’ve performed thousands of tests and can guide you through any testing situation with confidence and care.

Client Feedback

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