Drug & Alcohol Testing Near Me - Saint Charles, MO

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

35 Drug-Testing Centers in Saint Charles

Minutes Away, Test Today

2621 Raymond Dr0.83 miles

2621 Raymond Dr
Saint Charles, MO 63301

50 Monroe St1.75 miles

50 Monroe St
Saint Charles, MO 63301

1794 Zumbehl Rd1.83 miles

1794 Zumbehl Rd
Saint Charles, MO 63303

400 Fountain Lakes Blvd2.27 miles

400 Fountain Lakes Blvd
St Charles, MO 63301

2101 Collier Corporate Pkwy3.04 miles

2101 Collier Corporate Pkwy
Saint Charles, MO 63303

4101 Mexico Rd Ste E,3.57 miles

4101 Mexico Rd Ste E,
Saint Peters, MO 63376

60 Gailwood Dr Ste B3.82 miles

60 Gailwood Dr Ste B
Saint Peters, MO 63376

1405 Jungermann Rd Ste B4.05 miles

1405 Jungermann Rd Ste B
Saint Peters, MO 63376

205 First Executive Avenue4.18 miles

205 First Executive Avenue
Saint Peters, MO 63376

300 Saint Peters Centre Blvd Ste 1504.78 miles

300 Saint Peters Centre Blvd Ste 150
St. Peters, MO 63376

3440 Depaul Lane Ste. 208,5.09 miles

3440 Depaul Lane Ste. 208,
Bridgeton, MO 63044

3446 Mckelvey Rd5.31 miles

3446 Mckelvey Rd
Bridgeton, MO 63044

107 Piper Hill Dr Ste 100 St. Peters Care Center5.36 miles

107 Piper Hill Dr Ste 100 St. Peters Care Center
Saint Peters, MO 63376

7220 N Lindbergh Blvd #ste 250-60 Cargo Bay Bldg6.70 miles

7220 N Lindbergh Blvd #ste 250-60 Cargo Bay Bldg
Hazelwood, MO 63042

83 Progress Pkwy6.91 miles

83 Progress Pkwy
Maryland Heights, MO 63043

11501 Page Service Dr7.08 miles

11501 Page Service Dr
Saint Louis, MO 63146

637 Dunn Rd Ste 1357.44 miles

637 Dunn Rd Ste 135
Hazelwood, MO 63042

637 Dunn Rd Ste 1007.44 miles

637 Dunn Rd Ste 100
Hazelwood, MO 63042

1868 Craigshire Rd7.67 miles

1868 Craigshire Rd
Saint Louis, MO 63146

637 Dunn Rd Ste 1557.79 miles

637 Dunn Rd Ste 155
Hazelwood, MO 63042

463 Lynn Haven Ln8.00 miles

463 Lynn Haven Ln
Hazelwood, MO 63042

1901 Trade Center Dr8.57 miles

1901 Trade Center Dr
Saint Peters, MO 63376

1066 Executive Parkway Dr Ste 2008.58 miles

1066 Executive Parkway Dr Ste 200
Saint Louis, MO 63141

1051 Wolfrum Rd8.75 miles

1051 Wolfrum Rd
Saint Charles, MO 63304

4 Abington Ct9.05 miles

4 Abington Ct
St. Peters, MO 63376

747 N New Ballas Road9.46 miles

747 N New Ballas Road
Creve Coeur, MO 63141

11550 Olive Blvd9.49 miles

11550 Olive Blvd
Saint Louis, MO 63141

11700 Studt Ave9.54 miles

11700 Studt Ave
Creve Coeur, MO 63141

17300 N Outer 40 Ste 104,10.02 miles

17300 N Outer 40 Ste 104,
Chesterfield, MO 63005

16091 Swingley Ridge Rd Ste 15010.05 miles

16091 Swingley Ridge Rd Ste 150
Chesterfield, MO 63017

224 S Woods Mill Rd Ste 360 S Med Bldg10.15 miles

224 S Woods Mill Rd Ste 360 S Med Bldg
Chesterfield, MO 63017

300 Winding Woods Dr Ste 10010.46 miles

300 Winding Woods Dr Ste 100
O Fallon, MO 63366

2967 Highway K10.62 miles

2967 Highway K
O Fallon, MO 63368

17838 Chesterfield Airport Rd10.93 miles

17838 Chesterfield Airport Rd
Chesterfield, MO 63005

615 S New Ballas Rd11.15 miles

615 S New Ballas Rd
Saint Louis, MO 63141

Drug Testing Near Me

Searching for Nearby Drug Testing Facilities?

In Saint Charles, MO and across the nation, Accredited Drug Testing, Inc. stands out as a premier provider of immediate drug and alcohol testing services, offering convenience through a vast network of over 20,000 locations nationwide. Whether your requirement is for a DOT-regulated examination, a court-mandated screening, pre-employment testing, or individual assessments, we ensure the process is swift, straightforward, and confidential. Our accredited collection sites and laboratories guarantee precise, dependable results that adhere to Federal and Saint Charles, MO state compliance laws. Simply dial (800) 221-4291 or book online anytime to discover a drug testing center near you.

When utmost safety, adherence to regulations, and peace of mind are paramount, Accredited Drug Testing provides reliable, punctual results every time, nationwide and in Saint Charles, MO.

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

In its widespread application across the United States and Saint Charles, MO, urine drug testing stands as the predominant method for substance screening and is the exclusive choice approved for DOT-regulated tests under the setting of 49 CFR Part 40. This process accurately detects recent use of substances by examining a urine sample for the presence of drugs, relevant drug metabolites, or alcohol-related biomarkers. Annually, employers, individuals, and judicial entities rely on this standardized, discrete approach to provide certified, court-ready results.

Testing Methods & Collection Process

1. Donor Identity Verification

Verification begins with the presentation of a legitimate government-issued ID by the donor followed by completion of necessary chain-of-custody documentation before testing initiates.

2. Secure Collection Environment

In a monitored restroom environment to inhibit tampering, urine specimens are procured. Standard procedures may include restricting personal items, securing access to water, and dying toilet water.

3. Chain of Custody Documentation

The integrity and legal defensibility of the specimen are maintained by leveraging a federally compliant Chain of Custody Form (CCF) throughout the journey from collection to lab analysis.

4. Temperature & Validity Checks

Specimen temperatures and appearances are immediately evaluated post-collection. Laboratory validity testing extensively covers creatinine levels, pH balance, density, and potential adulterants.

5. DOT Split Specimen

DOT testing requires sample division into two vials: Bottle A for initial screening and Bottle B reserved for challenges. Non-DOT scenarios may involve a single sample collection.

6. Laboratory Screening & Confirmation

Employing SAMHSA-certified laboratories, the testing involves two systematic processes:

  • Initial Immunoassay Screen:  Detection of drug categories.
  • Confirmation Testing: Precision provided by GC/MS or LC/MS methods identifying specific drugs and metabolites.

7. MRO Verification

A certified Medical Review Officer (MRO) meticulously examines non-negative outcomes, authenticates accuracy, and potentially converses with the donor before disclosing finalized results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results rendered by the same day; positives forwarded for confirmation taking 24-72 hours.
  • Lab-Based Urine Test: A 24-48 hours timeframe for prevailing negative results.
  • DOT Drug Test: Completion within 1-3 business days subject to MRO review and ensuing donor consultations.
  • Urine EtG Alcohol Test: Turnaround typically falls between 24-48 hours.

Extended periods might be encountered amid shy bladder incidents, invalid samples, or in exigency of lab verification or donor interaction.

Benefits of Urine Drug & Alcohol Testing

  • Currently the only DOT sanctioned methodology and officially acknowledged for regulated testing procedures.
  • Picks up recent substance engagement, ideal for workplaces or post-incident analysis.
  • Cost-effective with rapid processing times.
  • Externally endorsed by courts, employers, and government bodies.
  • Immediate testing selections available for swift screening purposes.
  • Efficiency ensured with GC/MS or LC/MS verification technology.

Limitations of Urine Drug & Alcohol Testing

  • Short detection timeframe (1-7 days for most substances).
  • Security measures required to guard against sample alteration.
  • Long-term or historical employment of substances undetectable.
  • Necessitates restroom utilization and compliance with collection protocols.
  • Standard urine evaluations exclude alcohol unless accompanied by EtG/EtS testing.

Despite such limitations, urine testing retains its prominence as the most viable and extensively embraced approach for drugs and alcohol testing across the nation.

How Hair Drug Testing Works

Comprehensive Hair Drug & Alcohol Testing in Saint Charles, MO

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 Saint Charles, MO for long-view substance use evaluation.

Testing Techniques & Collection Dynamics

Timeframe for Hair Test Results

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

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

Alcohol & Drug Testing-How Each Method Works

Operating across the United States, including Saint Charles, MO, Accredited Drug Testing offers comprehensive drug and alcohol screening solutions, meticulously designed to accommodate needs of employers, DOT mandates, legal euphemisms, and individual situations. By comprehending each test type's unique function, clients can ensure impeccable choice, reliable results, and compliance with federal and state protocols. Our sprawling national network, alongside certified labs and adept Medical Review Officers, guarantees the necessary precision, trust, and professionalism for assured testing outcomes.

Alcohol Urine Drug Test

This test method identifies recent alcohol intake through the detection of ethanol metabolites in urine. Predominantly employed for workplace checks, legal requisitions, and post-incident assessments, it doesn't pinpoint current impairment but functions over a short detection period, offering an expedient and budget-friendly screening option.

ETG Alcohol Test (Urine)

The Ethyl Glucuronide (EtG) urine test stands as a sensitive measure detecting alcohol consumption up to 80 hours past intake. As a direct by-product of ethanol, this test finds widespread application across courtrooms, rehab setups, and compliance monitoring nationwide, renowned for its accuracy and extensive detection window beyond traditional methods.

Breath Alcohol Test

Utilizing DOT-sanctioned breath analyzers, the breath alcohol test assesses current impairment via alcohol concentration in deep lung breaths, delivering instant and legally valid results. This modality is essential for DOT-regulated employees, and commonly enacted in workplaces following accidents or under reasoned suspicion.

Blood Alcohol Test

Offering exact ethanol concentration measurements in the bloodstream, this method ranks among the most accurate for assessing impairment. Employed in Saint Charles, MO's hospitals, law enforcement, and legal institutions, blood alcohol testing is vital in DUI cases, emergency medical responses, and rigorous legal probes.

PEth Alcohol Blood Test

PEth (Phosphatidylethanol) blood testing serves as an identifier of chronic or intensive alcohol consumption through alcohol biomarkers in red blood cells, extending detection for 2-3 weeks. This test holds high relevance in family law, monitoring regimens, treatment environments, and employment screenings in safety-conscious fields.

ETG Alcohol Test (Hair)

With a 90-day detection horizon, the EtG hair alcohol test explores alcohol metabolites embedded in hair, targeting patterns of chronic use rather than isolated consumption episodes. Courts, child custody deliberations, and prolonged monitoring programs employ this method for its durable and precise tracking ability against temporary abstinence efforts.

Through professional support, nationally accredited lab integration, and fast-paced scheduling, Accredited Drug Testing ensures each alcohol screening method accomplishes clear, defensible, and regulation-compliant results, empowering individuals and employers to remain informed and at ease with Saint Charles, MO's regulatory requirements.


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

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

A very nice company

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

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


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(800) 221-4291