Drug & Alcohol Testing Near Me - Saint Charles, IL

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

36 Drug-Testing Centers in Saint Charles

Minutes Away, Test Today

2621 Raymond Dr0.63 miles

2621 Raymond Dr
Saint Charles, MO 63301

1794 Zumbehl Rd1.37 miles

1794 Zumbehl Rd
Saint Charles, MO 63303

400 Fountain Lakes Blvd2.28 miles

400 Fountain Lakes Blvd
St Charles, MO 63301

50 Monroe St2.29 miles

50 Monroe St
Saint Charles, MO 63301

2101 Collier Corporate Pkwy2.65 miles

2101 Collier Corporate Pkwy
Saint Charles, MO 63303

4101 Mexico Rd Ste E,2.87 miles

4101 Mexico Rd Ste E,
Saint Peters, MO 63376

60 Gailwood Dr Ste B3.11 miles

60 Gailwood Dr Ste B
Saint Peters, MO 63376

1405 Jungermann Rd Ste B3.34 miles

1405 Jungermann Rd Ste B
Saint Peters, MO 63376

205 First Executive Avenue3.49 miles

205 First Executive Avenue
Saint Peters, MO 63376

300 Saint Peters Centre Blvd Ste 1504.09 miles

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

107 Piper Hill Dr Ste 100 St. Peters Care Center4.68 miles

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

3440 Depaul Lane Ste. 208,5.57 miles

3440 Depaul Lane Ste. 208,
Bridgeton, MO 63044

3446 Mckelvey Rd5.77 miles

3446 Mckelvey Rd
Bridgeton, MO 63044

11501 Page Service Dr7.12 miles

11501 Page Service Dr
Saint Louis, MO 63146

83 Progress Pkwy7.13 miles

83 Progress Pkwy
Maryland Heights, MO 63043

7220 N Lindbergh Blvd #ste 250-60 Cargo Bay Bldg7.37 miles

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

1868 Craigshire Rd7.83 miles

1868 Craigshire Rd
Saint Louis, MO 63146

1901 Trade Center Dr7.89 miles

1901 Trade Center Dr
Saint Peters, MO 63376

1051 Wolfrum Rd8.08 miles

1051 Wolfrum Rd
Saint Charles, MO 63304

637 Dunn Rd Ste 1008.10 miles

637 Dunn Rd Ste 100
Hazelwood, MO 63042

637 Dunn Rd Ste 1358.10 miles

637 Dunn Rd Ste 135
Hazelwood, MO 63042

4 Abington Ct8.35 miles

4 Abington Ct
St. Peters, MO 63376

637 Dunn Rd Ste 1558.45 miles

637 Dunn Rd Ste 155
Hazelwood, MO 63042

1066 Executive Parkway Dr Ste 2008.60 miles

1066 Executive Parkway Dr Ste 200
Saint Louis, MO 63141

463 Lynn Haven Ln8.67 miles

463 Lynn Haven Ln
Hazelwood, MO 63042

17300 N Outer 40 Ste 104,9.54 miles

17300 N Outer 40 Ste 104,
Chesterfield, MO 63005

747 N New Ballas Road9.58 miles

747 N New Ballas Road
Creve Coeur, MO 63141

11550 Olive Blvd9.64 miles

11550 Olive Blvd
Saint Louis, MO 63141

11700 Studt Ave9.66 miles

11700 Studt Ave
Creve Coeur, MO 63141

16091 Swingley Ridge Rd Ste 1509.70 miles

16091 Swingley Ridge Rd Ste 150
Chesterfield, MO 63017

300 Winding Woods Dr Ste 1009.76 miles

300 Winding Woods Dr Ste 100
O Fallon, MO 63366

2967 Highway K9.91 miles

2967 Highway K
O Fallon, MO 63368

224 S Woods Mill Rd Ste 360 S Med Bldg9.92 miles

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

17838 Chesterfield Airport Rd10.40 miles

17838 Chesterfield Airport Rd
Chesterfield, MO 63005

615 S New Ballas Rd11.22 miles

615 S New Ballas Rd
Saint Louis, MO 63141

State Highway 76 & State Highway Lower Level Claybough Plaza Ma12.10 miles

State Highway 76 & State Highway Lower Level Claybough Plaza Ma
Branson West, MO 65737

Drug Testing Near Me

Searching for reliable drug testing services in your area?

Accredited Drug Testing, Inc. stands out as a leading and reputable provider of both same-day drug and alcohol testing services. With an expansive network of over 20,000 testing sites throughout the nation, including convenient options in the Saint Charles, IL, we accommodate a wide range of testing needs. Whether your requirements include DoT-mandated tests, screenings mandated by the court, pre-hire drug assessments, or personal testing purposes, scheduling with us is a straightforward, swift, and private process. Our certified collection sites and laboratories are committed to delivering dependable and precise outcomes, adhering to both federal and state regulatory standards. Reach out effortlessly by calling (800) 221-4291 or by scheduling the service you need online at any time 24/7 here for the most convenient drug testing site near you. For the utmost assurance in safety, compliance, and confidentiality, Accredited Drug Testing consistently provides trustworthy outcomes, on time, every time.

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

Urine drug testing remains the most prevalent method across Saint Charles, IL and the U.S., being the sole option sanctioned for DOT-regulated drug testing under 49 CFR Part 40. This technique discerns recent drug use by assessing a urine specimen for traces of drugs, metabolites, or alcohol biomarkers. The procedure is uniform, secretive, and built to furnish accurate, legally sound outcomes for businesses, individuals, and judicial mandates.

Testing Methods & Collection Process

1. Donor Identity Verification

The donor provides authorized identification and adheres to chain-of-custody protocols prior to testing commencement.

2. Secure Collection Environment

Samples are gathered in controlled settings preventing tampering, with potential restrictions on personal items and secured facilities.

3. Chain of Custody Documentation

A national Chain of Custody Form (CCF) follows the specimen, upholding the test's integrity and legitimacy.

4. Temperature & Validity Checks

Right after collection, samples undergo temperature and appearance checks, alongside validity assessments in labs, including creatinine and pH evaluations.

5. DOT Split Specimen

DOT tests divide urine into two containers, where non-DOT requires only one for accuracy and possible retesting.

6. Laboratory Screening & Confirmation

Utilizing SAMHSA-certified laboratories for two-phase analysis, employing:

  • Initial Immunoassay Screening: Identifies drug classes.
  • Confirmation Testing: Precision identification of drugs/metabolites using GC/MS or LC/MS.

7. MRO Verification

A Medical Review Officer inspects non-negatives, confirms correctness, and investigates possible medical causes with the applicant.

Duration for Urine Test Outcomes

Additional time may be necessary for shy bladder issues, invalid samples, or needed confirmation and contact.

Advantages of Urine Drug & Alcohol Testing

Despite some limitations, urine testing remains the premier and extensively adopted method for drug and alcohol checks in Saint Charles, IL and the rest of the U.S.

How Hair Drug Testing Works

Hair drug and alcohol testing is a robust, laboratory-endorsed method sanctioned for illustrating substance-use patterns over longer periods. Unlike urine testing, which assesses recent consumption, hair tests utilize a generous 90-day detection timeframe by analyzing drug residues within the hair strands itself. This technique is particularly useful in workplaces, judicial cases, child custody matters, and any context where a broader view of substance use in Saint Charles, IL or beyond is required.

Testing Methods & Collection Process

1. Donor Identity Verification

Donors show a recognized government-issued ID, and all necessary consent and chain-of-custody steps are documented to maintain process fidelity.

2. Hair Collection Procedure

A licensed technician collects a minor sample of hair usually 100-120 strands snipped close to the scalp, typically from the head's crown. Where head hair isn't obtainable, body hair may serve as a substitute. Collection is swift, painless, and directly observed.

3. Chain of Custody Documentation

The Hair Drug Test Custody and Control Form describes the gathering, sealing, and transfer proceedings, ensuring the defensibility of results throughout the procedure.

4. Laboratory Preparation & Analysis

Within the lab, hair samples undergo systematic forensic steps:

Subsequent to this preparation, exacting lab testing follows:

5. Metabolite Detection

Drug residues lodge within the hair strands as hair spontaneously grows, securing a consistent, long-term substance-use diary. Given this internal lodging, hair testing presents significant challenges to counterfeiting.

6. MRO Review

A certified Medical Review Officer validates all non-negative tests, confirming precision, reviewing relevant medical insights, and issuing official conclusions.

How Long Do Hair Test Results Take?

While slightly protracted compared to urine testing due to intricate processes, hair testing compensates with unmatched detection reliability.

Benefits of Hair Drug & Alcohol Testing

Limitations of Hair Drug & Alcohol Testing

Notwithstanding its limitations, hair testing retains its status among the most credible tools for discovering sustained substance use, favored by employers, legal specialists, and individuals necessitating accurate, tamper-proof results.

Alcohol & Drug Testing-How Each Method Works

At Accredited Drug Testing, we present a diverse array of drug and alcohol screening strategies, each tailored to meet the demands of employers, Department of Transportation (DOT) prescriptions, legal requirements, and personal evaluations. Understanding the nuances of each method is essential for making informed decisions, ensuring trustworthy results, and guaranteeing compliance with federal and Saint Charles, IL state legislation. Our extensive network, certified labs, and skilled Medical Review Officers uphold the precision, credibility, and professionalism crucial for results you can count on.

Alcohol Urine Drug Test

The alcohol urine test is designed to detect recent alcohol intake by tracking ethanol metabolites in the urine. This technique is frequently deployed for workplace testing, court mandates, and following accidents. Although it doesn't measure current impairment, it extends a window of detection for several hours, rendering it a rapid and cost-effective option for monitoring.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test offers highly sensitive screening to catch alcohol consumption up to 80 hours post-intake. Due to EtG being a direct digested form of ethanol, this test is ideal for judicial systems, rehabilitation centers, and monitoring bodies. It spans a longer detection window than conventional urine tests and is celebrated for reliability and accuracy.

Breath Alcohol Test

A breath alcohol test determines current intoxication levels by evaluating the alcohol percentage in deep lung air. Utilized with DOT-certified breath alcohol devices (EBTs), it provides immediate and defensible outcomes. This procedure is mandated for DOT-involved staff and commonly employed for workplace checks, accidents, and suspicious behavior cases.

Blood Alcohol Test

The blood alcohol test directly quantifies the ethanol concentration in the bloodstream, representing one of the most precise methods for assessing impairment. Trusted by hospitals, law enforcement, and legal experts, blood alcohol tests are pivotal for DUI situations, emergency scenarios, and high-stakes legal investigations.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test identifies habitual or excessive alcohol consumption by detecting biomarkers in red blood cells. Capturing intake up to 2-3 weeks, PEth provides a robust indication of ongoing drinking behavior, invaluable in family law, monitoring regimens, rehabilitation facilities, and pre-employment protocols for safety-focused domains.

ETG Alcohol Test (Hair)

The EtG hair alcohol test spans an expansive 90-day detection period through assessment of alcohol derivatives in hair strands. This technique tracks extensive patterns signifying regular or historical alcohol use instead of isolated consumption instances. Preferred by courts, child custody deliberations, and enduring surveillance schemes for its dependability and precision.

With experienced oversight, accredited laboratories on a national scale, and efficient scheduling, Accredited Drug Testing ensures that each alcohol assessment procedure offers defensible, transparent, and compliant insights, supporting individuals and organizations in maintaining awareness, security, and adhering to regulation rigorosities.


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

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025


Sources


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(800) 221-4291