Drug & Alcohol Testing Near Me - Gresham, OR

Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.  

Employment, DOT, Court Ordered, Personal
Urine | Hair Follicle | Oral Fluid | Blood | ETG

33 Drug-Testing Centers in Gresham

Minutes Away, Test Today

1217 Ne Burnside Rd Ste 2020.80 miles

1217 Ne Burnside Rd Ste 202
Gresham, OR 97030

2850 Se Powell Valley Rd Ste 1041.41 miles

2850 Se Powell Valley Rd Ste 104
Gresham, OR 97080

22262 Ne Glisan St2.11 miles

22262 Ne Glisan St
Gresham, OR 97030

18750 Se Stark St2.37 miles

18750 Se Stark St
Portland, OR 97233

1350 Ne 122nd Ave5.66 miles

1350 Ne 122nd Ave
Portland, OR 97230

16126 Se Hally Valley Town Ctr Dr Ste 2015.95 miles

16126 Se Hally Valley Town Ctr Dr Ste 201
Happy Valley, OR 97086

12518 Ne Airport Way Ste 1106.18 miles

12518 Ne Airport Way Ste 110
Portland, OR 97230

12003 Ne Ainsworth Cir Ste 1036.95 miles

12003 Ne Ainsworth Cir Ste 103
Portland, OR 97220

11211 Se Sunnyside Rd7.23 miles

11211 Se Sunnyside Rd
Clackamas, OR 97015

9200 Se 91st Ave, Suite 3107.27 miles

9200 Se 91st Ave, Suite 310
Happy Valley, OR 97086

9290 Se Sunnybrook Blvd Ste 2208.16 miles

9290 Se Sunnybrook Blvd Ste 220
Clackamas, OR 97015

11800 Se 82nd Ave8.28 miles

11800 Se 82nd Ave
Portland, OR 97086

6645 Ne 78th Ct Ste C108.82 miles

6645 Ne 78th Ct Ste C10
Portland, OR 97218

14001 Se 1st St9.55 miles

14001 Se 1st St
Vancouver, WA 98684

315 Se Stone Mill Dr Ste 2009.81 miles

315 Se Stone Mill Dr Ste 200
Vancouver, WA 98684

17055 Ruben Ln10.01 miles

17055 Ruben Ln
Sandy, OR 97055

2802 Se Steele St Ste 310.01 miles

2802 Se Steele St Ste 3
Portland, OR 97202

10150 Se 32nd Ave10.21 miles

10150 Se 32nd Ave
Milwaukie, OR 97222

11818 Se Mill Plain Blvd Ste 40810.25 miles

11818 Se Mill Plain Blvd Ste 408
Vancouver, WA 98684

11504 Se Mill Plain Blvd Ste C110.38 miles

11504 Se Mill Plain Blvd Ste C1
Vancouver, WA 98684

10951 Se 21st Ave10.79 miles

10951 Se 21st Ave
Milwaukie, OR 97222

400 Ne Mother Joseph Pl11.37 miles

400 Ne Mother Joseph Pl
Vancouver, WA 98664

8614 E Mill Plain Boulevard, Suite 12011.39 miles

8614 E Mill Plain Boulevard, Suite 120
Vancouver, WA 98664

1225 Ne 2nd Ave11.52 miles

1225 Ne 2nd Ave
Portland, OR 97232

714 Sw Washington St12.09 miles

714 Sw Washington St
Portland, OR 97205

800 Sw 13th Ave12.39 miles

800 Sw 13th Ave
Portland, OR 97205

1750 Nw Naito Pkwy Ste 10012.52 miles

1750 Nw Naito Pkwy Ste 100
Portland, OR 97209

1991 Upshur Street Ste Aa12.87 miles

1991 Upshur Street Ste Aa
Portland, OR 97209

5501 Ne 109th Ct Ste E12.92 miles

5501 Ne 109th Ct Ste E
Vancouver, WA 98662

2230 Nw Pettygrove Street, Suite 13013.09 miles

2230 Nw Pettygrove Street, Suite 130
Portland, OR 97210

9430 Ne Vancouver Mall Dr13.10 miles

9430 Ne Vancouver Mall Dr
Vancouver, WA 98662

9330 Ne Vancouver Mall Dr Ste 20113.13 miles

9330 Ne Vancouver Mall Dr Ste 201
Vancouver, WA 98662

10350 N Vancouver Way13.76 miles

10350 N Vancouver Way
Portland, OR 97217

Drug Testing Near Me

Are you in Gresham, OR and searching for drug testing close to you? Accredited Drug Testing, Inc. stands out as a trusted national leader in same-day drug and alcohol testing services, offering over 20,000 locations across the United States. Whether your needs involve a DOT-compliant test, a court-mandated examination, pre-employment screening, or testing for personal assurance, we guarantee a smooth, quick, and private scheduling process. Our certified collection centers and laboratory facilities provide precise and dependable results that conform to federal and Gresham, OR state compliance regulations. Reach out at (800) 221-4291 or effortlessly schedule online 24/7 to discover a drug testing center that suits your convenience. When vigilance, compliance, and peace of mind are paramount, Accredited Drug Testing is your go-to source for trustworthy on-time results.

Drug and Alcohol Testing Options

Urine Drug Testing Available Panels
5 Panel Drug Test (DOT/NON DOT)
5 Panel + Alcohol Drug Test
5 Panel + ETG Alcohol Drug Test
10 Panel Drug Test
10 Panel + ETG Alcohol Drug Test
12 Panel Drug Test
Hair Drug Testing Available Panels
5 Panel Hair Drug Test
5 Panel + ETG Hair Drug Test
10 Panel Hair Drug Test
12 Panel Hair Drug Test
14 Panel Hair Drug Test
16 Panel Hair Drug Test
Alcohol Drug Testing Available Panels
Alcohol Urine Drug Test
ETG Alcohol Test (Urine)
Breath Alcohol Test
Blood Alcohol Test
Peth Alcohol Blood Test
ETG Alcohol Test (Hair)

Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services

How Urine Drug Testing Works

Understanding Urine Drug Testing in Gresham, OR

Urine drug testing remains the most prevalent form of screening across the United States and is exclusively sanctioned for DOT-regulated drug testing in compliance with 49 CFR Part 40. This method detects recent substance use through the analysis of urine samples for drugs, metabolites, or alcohol biomarkers, ensuring standardized, discreet, and legally sound results for employers, individuals, and legal platforms such as court-ordered programs.

Step-by-step Testing Methods & Collection Procedures

  • 1. Donor Identity Verification: An essential step requiring the donor to present valid, government-issued identification and complete the necessary chain-of-custody signatures prior to testing.
  • 2. Secure Collection Environment: Collection occurs in a controlled restroom setting to eliminate tampering risks, where personal belongings are restricted, water sources are checked, and standard security protocols are followed.
  • 3. Chain of Custody Documentation: A Federal Chain of Custody Form (CCF) methodically tracks the specimen's path from acquisition to lab analysis, preserving the test's integrity and legal soundness.
  • 4. Temperature & Validity Checks: The specimen's temperature and appearance are measured immediately post-collection, while labs conduct additional validity tests including creatinine levels, pH, specific gravity, and check for adulterants.
  • 5. DOT Split Specimen: For DOT purposes, the sample is divided into two containers with Bottle A designated for the initial analysis and Bottle B reserved if the donor disputes the outcome. Non-DOT tests utilize a single container.
  • 6. Laboratory Screening & Confirmation: SAMHSA-certified labs employ a dual-phase process:
    • Initial Immunoassay Screen: Identifies drug classes.
    • Confirmation Testing: Uses GC/MS or LC/MS for highly precise identification of specific drugs or metabolites.
  • 7. MRO Verification: A qualified Medical Review Officer scrutinizes non-negative results, verifying their precision, and exploring possible medical explanations with the donor before issuing the official results.

Urine Test Result Timelines

  • Instant Urine Test: Instantaneous negative results, with positives sent for lab confirmation, typically requiring 24-72 hours.
  • Lab-Based Urine Test: Yields most negative results within 24-48 hours.
  • DOT Drug Test: Results return within 1-3 business days, based upon MRO review and donor communication.
  • Urine EtG Alcohol Test: Typically concludes within 24-48 hours.

Note: Testing may necessitate extra time for cases involving shy bladder conditions, specimen invalidation, or required lab confirmation/donor contact.

Advantages of Urine Drug & Alcohol Testing

  • Only DOT sanctioned test: Fully federally and state compliant for regulated deductions.
  • Effective for recent substance identification suitable for work environments and post-accident contexts.
  • Economical with rapid result response.
  • Recognized by legal, workplace, and government agencies nationwide.
  • Options for instant testing available for swift preliminary screening.
  • Exemplary accuracy with GC/MS or LC/MS technology for confirmations.

Challenges of Urine Drug & Alcohol Testing

  • Brief detection range, commonly 1-7 days for most substances.
  • Possibility of adulteration, mitigated by stringent security measures.
  • Not capable of detecting chronic or past use consistently.
  • Necessitates restroom facilities and specific methodological protocols.
  • Standard urine evaluations exclude alcohol unless deploying EtG/EtS tests.

Nevertheless, urine testing prevails as the most pragmatic and abundantly utilized screening method both nationwide and in Gresham, OR.

How Hair Drug Testing Works

Comprehensive Hair Drug & Alcohol Testing in Gresham, OR

Hair drug and alcohol analysis represents a robust method for understanding long-term substance use, providing a reliable 90-day detection period by isolating drug metabolites within the hair structure. Divergent from urine testing's temporal range, hair evaluations shine in roles where extended analysis is critical, such as workplace programs, court adjudications, and custody disputes. This process is thus suitably applied across Gresham, OR for long-view substance use evaluation.

Testing Techniques & Collection Dynamics

  • Donor Identity Validation: Begins with verification through a valid ID, followed by completion of requisite forms for custody tracking.
  • Hair Collection Protocol: The specialist cuts a minor sample (100-120 strands) near the scalp, normally from the crown. In absence of head hair, body hair serves as a substitute.
  • Chain of Custody Record: A Hair Drug Test Custody and Control Form meticulously records every collection step, ensuring result integrity.
  • Laboratory Preparation & Testing: Samples go through decontamination, cutting/grinding, and metabolic extraction before thorough scrutiny:
  • Initial Screening: Immunoassays pinpoint drug classifications.
  • Confirmatory Testing: GC/MS or LC/MS certifications validate specific drug or metabolite presence.
  • Metabolite Trapping: Hair locks metabolites over time, creating an incorruptible substance-use ledger that is challenging to manipulate.
  • MRO Evaluation: Qualified Medical Review Officers vet non-negative reports, checking any medical rationalizations prior to result finalization.

Timeframe for Hair Test Results

  • Standard Hair Analysis: Yields outcomes within 2-3 business days.
  • Advanced Panels or Alcohol Testing (EtG/FAEE): Take approximately 3-5 business days based on complexity.

Although more involved than urine tests, hair screenings offer unparalleled accuracy over extended periods, making them a preferred choice in many professional and legal scenarios.

Proficiencies of Hair Drug & Alcohol Assessments

  • Extensive 90-day detection period for substance use history.
  • Resistant to result tampering.
  • Elucidate steady, sporadic, or ceased drug usage patterns.
  • Integral for legal proceedings, custody contentions, and compliance protocols.
  • Swift, non-invasive sampling process.
  • Employs highly precise GC/MS or LC/MS confirmation techniques.

Despite a few limitations, hair testing's reliability for chronic detection makes it indispensable for various professionals in Gresham, OR and beyond.

Alcohol & Drug Testing-How Each Method Works

In Gresham, OR and across the nation, Accredited Drug Testing offers comprehensive and varied alcohol and drug screening solutions tailored to fulfill the needs of employers, DOT, legal determinations, and personal inquiries. A thorough understanding of each method guarantees accurate selection, dependable results, and compliance with federal and state criteria. Our comprehensive network, approved laboratories, and skilled Medical Review Officers embody the precision, trust, and professionalism necessary for reliable test outcomes.

Alcohol Urine Drug Test

The alcohol urine test efficiently identifies recent alcohol intake through ethanol metabolites found in urine. Commonly adopted for workplace assessments, court mandates, and post-accident scenarios, it doesn't establish current impairment but offers a limited window of detection spanning several hours, making it a swift, economical screening solution.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is a remarkably indicative approach capable of tracing alcohol consumption up to 80 hours post-ingestion. Due to EtG's role as a direct metabolite of ethanol, the test is extensively utilized by the judicial system, rehabilitation programs, and compliance monitoring organizations. It outperforms conventional urine alcohol tests in longevity and reliability.

Breath Alcohol Test

The breath alcohol test gauges immediate impairment by quantifying alcohol concentration in deep lung air. Conducted via DOT-certified breath alcohol tools (EBTs), it renders instantaneous and legally sound results, fitting for DOT-regulated employees and often employed in workplaces, accidents, and suspicion-driven testing.

Blood Alcohol Test

The blood alcohol test measures ethanol content directly within the bloodstream, providing one of the most precise means of determining impairment. Widely trusted by hospitals, law enforcement, and legal sectors for its accuracy, particularly in DUI cases, emergency treatment, and critical legal investigations.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test targets chronic or intense alcohol use by detecting specific biomarkers embedded within red blood cells. PEth offers a detection period of 2-3 weeks and serves as a trusted indicator of long-term alcohol habits. This method is prevalent in family legalities, monitoring arrangements, treatment facilities, and pre-employment validation for safety-sensitive sectors.

ETG Alcohol Test (Hair)

Providing a 90-day detection scope, the EtG hair alcohol test evaluates alcohol metabolites sequestered within the hair structure, mapping habitual or persistent alcohol usage rather than sporadic consumption. Courts, custody discussions, and prolonged oversight programs trust hair EtG tests for their consistency, accuracy, and resistance to temporary abstinence subterfuges.

Championing informed decisions, Accredited Drug Testing facilitates every alcohol screening method with authoritative guidance, validated labs, and prompt bookings, ensuring results that are conclusive, defensible, and regulatory-compliant, benefiting individuals and employers by maintaining security, awareness, and adherence.


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.

Frequently Asked Questions

Urine tests detect recent use and are the only option approved for DOT testing under 49 CFR Part 40. Hair tests provide a 90-day detection window per the Society of Hair Testing (SoHT). Alcohol testing options, EtG, breath, blood, or PEth. These tests can identify recent use, impairment, or long-term drinking behavior depending on the method.

Urine: 24 - 48 hrs for negatives (SAMHSA guidelines).
Hair: 2 - 5 business days due to multi-step forensic processing (SoHT).
Breath Alcohol: Immediate results using NHTSA-approved EBT devices.
PEth: 3 - 5 days based on forensic toxicology studies.

Lab confirmation using GC/MS or LC/MS is the gold standard per SAMHSA & DOT.
Hair testing is highly tamper-resistant (SoHT).
PEth is considered the most reliable marker of repeated drinking (Journal of Analytical Toxicology).

No. DOT-regulated urine tests require validity checks and chain-of-custody documentation (49 CFR Part 40). Hair tests undergo decontamination and metabolite extraction (SoHT), making them extremely difficult to adulterate.

EtG urine detects alcohol for up to 80 hours (NIH/SAMHSA studies). EtG hair detects chronic alcohol consumption for up to 90 days (SoHT alcohol guidelines).

5 Panel DOT:49 CFR Part 40. Expanded non-DOT panels add benzodiazepines, barbiturates, methadone, oxycodone, MDMA, fentanyl, and more (SAMHSA forensic panel standards).

PEth blood testing identifies long-term and heavy alcohol use for 2 - 4 weeks. Used in child custody, treatment monitoring, and professional compliance programs (CDC & Journal of Analytical Toxicology).

Hair testing does not detect drug use within the past 5 - 7 days. It identifies long-term or repetitive use patterns per SoHT standards.

Yes. Results follow strict chain-of-custody procedures, DOT/SAMHSA requirements, GC/MS or LC/MS confirmation, and MRO review; making them acceptable in court, DOT, and legal settings.

Yes. Accredited Drug Testing offers same-day appointments at 20,000+ locations nationwide, instant testing options, and onsite employer testing with bulk discounts.

Customer Reviews

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

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

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

Polite

I ran into a situation because the Guthrie had closed and I had to go to well care and they were right on it. I had no problems when I called to get connected with welcare everything worked out and I didn't even have to wait.they were polite and talked with the receptionist for me once I got them on the phone.

Sayre - 8/19/2024


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(800) 221-4291