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With 33 testing centers in the Gresham 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.
Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services
Accredited Drug Testing provides employer and individual screening in Gresham, OR adhering strictly to ORS § 659A.300, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.
Oregon employment statutes permit workplace drug testing, allowing employers to enforce zero-tolerance substance policies for current and incoming staff.
Under ORS § 659A.300, employers in Gresham may institute comprehensive drug-free workplace programs including:
While cannabis statutes continue evolving across the United States (Medical: Legal; Recreational: Legal in Oregon), 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 Gresham, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:
Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Gresham and Oregon.
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.
Accredited Drug Testing operates collection centers strategically positioned throughout Gresham 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:
Gresham Main Street Commercial District • Gresham Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor
Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.
FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Gresham.
100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.
Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.
Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.
Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.
Certified mobile collection technicians dispatched directly to your Gresham facility or job site for groups of 25+ employees.
Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Gresham.
| Test Type & Local Panel | Detection Window | Common Use Cases in Gresham | Turnaround Time |
|---|---|---|---|
|
5-Panel Urine Screen in Gresham →
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 Gresham →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
|
1 to 7 Days | Healthcare Staffing, Corporate Policies & Court Orders | 24 to 48 Hours |
|
Hair Follicle Drug Test in Gresham →
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 Gresham →
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 Gresham →
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 Gresham →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
|
1 to 2 Year Card | Commercial Driver License (CDL) Medical Certification | Same-Day Medical Card |
Accredited Drug Testing provides nationwide drug and alcohol screening solutions, including urine, hair, EtG, PEth, and breath alcohol testing. Backed by SAMHSA-certified laboratories, DOT 49 CFR Part 40 compliance, and scientifically validated testing technology, our services ensure accurate, defensible, and confidential results for employers, courts, and individuals.
I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!
Elizabeth Chiaka - 9/19/2024
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
I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!
Kali Collins - 1/16/2025
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
Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!
Brynne Beverly - 4/19/2024
Quickly find trusted local drug testing centers in Gresham, OR — fast, convenient, and reliable every time!
Quickly find a local DOT drug testing center in Gresham, OR — fast, reliable, convenient nationwide service!
DNA testing for legal and non-legal purposes including child support, and child custody around Gresham, OR.
Including specimen collector training, DER training, reasonable suspicion training and much more in Gresham, OR.v
Get fast, accurate hair drug testing at our convenient Gresham, OR locations—results you can trust, every time!
Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Gresham, OR.
Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Gresham, OR.
Accurate 5 panel drug testing with fast, confidential results—trusted by Gresham, OR employers and individuals nationwide.
Comprehensive 10 panel drug testing with fast, reliable results—trusted for Gresham, OR workplace and personal testing needs.
Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Gresham, OR workplace compliant.
Certified DOT physicals with quick, reliable exams to keep Gresham, OR drivers compliant and on the road with confidence.
Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.