Drug & Alcohol Testing Near Me - Troy, 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

37 Drug-Testing Centers in Troy

Minutes Away, Test Today

1000 E Cherry St0.42 miles

1000 E Cherry St
Troy, MO 63379

801 Medical Dr, Ste 20012.14 miles

801 Medical Dr, Ste 200
Wentzville, MO 63385

1201 Wentzville Pkwy Ste 117,12.35 miles

1201 Wentzville Pkwy Ste 117,
Wentzville, MO 63385

1111 W Pearce Blvd13.21 miles

1111 W Pearce Blvd
Wentzville, MO 63385

251 E Pearce Blvd13.47 miles

251 E Pearce Blvd
Wentzville, MO 63385

722 N State Highway 47 Ste B13.65 miles

722 N State Highway 47 Ste B
Warrenton, MO 63383

230 E Booneslick Rd14.69 miles

230 E Booneslick Rd
Warrenton, MO 63383

1343 Ne Service Rd16.66 miles

1343 Ne Service Rd
Warrenton, MO 63383

30 W Highway D Ste 20119.42 miles

30 W Highway D Ste 201
New Melle, MO 63365

5551 Winghaven Blvd Ste 10019.88 miles

5551 Winghaven Blvd Ste 100
O Fallon, MO 63368

300 Winding Woods Dr Ste 10020.25 miles

300 Winding Woods Dr Ste 100
O Fallon, MO 63366

1901 Trade Center Dr20.94 miles

1901 Trade Center Dr
Saint Peters, MO 63376

2967 Highway K21.10 miles

2967 Highway K
O Fallon, MO 63368

4 Abington Ct21.23 miles

4 Abington Ct
St. Peters, MO 63376

107 Piper Hill Dr Ste 100 St. Peters Care Center23.67 miles

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

300 Saint Peters Centre Blvd Ste 15024.36 miles

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

905 N Business Highway 16124.63 miles

905 N Business Highway 161
Bowling Green, MO 63334

710 Business South24.63 miles

710 Business South
Bowling Green, MO 63334

205 First Executive Avenue24.88 miles

205 First Executive Avenue
Saint Peters, MO 63376

1051 Wolfrum Rd25.02 miles

1051 Wolfrum Rd
Saint Charles, MO 63304

60 Gailwood Dr Ste B25.47 miles

60 Gailwood Dr Ste B
Saint Peters, MO 63376

4101 Mexico Rd Ste E,25.53 miles

4101 Mexico Rd Ste E,
Saint Peters, MO 63376

1405 Jungermann Rd Ste B25.69 miles

1405 Jungermann Rd Ste B
Saint Peters, MO 63376

400 Fountain Lakes Blvd26.78 miles

400 Fountain Lakes Blvd
St Charles, MO 63301

1794 Zumbehl Rd28.17 miles

1794 Zumbehl Rd
Saint Charles, MO 63303

504 N Sturgeon St28.30 miles

504 N Sturgeon St
Montgomery City, MO 63361

2621 Raymond Dr28.40 miles

2621 Raymond Dr
Saint Charles, MO 63301

2101 Collier Corporate Pkwy28.64 miles

2101 Collier Corporate Pkwy
Saint Charles, MO 63303

17838 Chesterfield Airport Rd28.79 miles

17838 Chesterfield Airport Rd
Chesterfield, MO 63005

17300 N Outer 40 Ste 104,29.49 miles

17300 N Outer 40 Ste 104,
Chesterfield, MO 63005

851 E 5th St Ste 15229.52 miles

851 E 5th St Ste 152
Washington, MO 63090

1351 Jefferson St Ste 20830.01 miles

1351 Jefferson St Ste 208
Washington, MO 63090

50 Monroe St30.15 miles

50 Monroe St
Saint Charles, MO 63301

2003 Phoenix Center Dr,30.49 miles

2003 Phoenix Center Dr,
Washington, MO 63090

901 Patients First Dr30.91 miles

901 Patients First Dr
Washington, MO 63090

16091 Swingley Ridge Rd Ste 15031.45 miles

16091 Swingley Ridge Rd Ste 150
Chesterfield, MO 63017

509 W 18th St32.03 miles

509 W 18th St
Hermann, MO 65041

Drug Testing Near Me

Looking for reliable drug testing services in Troy, MO?

Accredited Drug Testing, Inc. stands as a nationwide leader, offering trustworthy same-day drug and alcohol testing with more than 20,000 locations across the country. Catering to a variety of needs whether it's a Department of Transportation (DOT) regulated test, a court-mandated screening, a pre-employment assessment, or personal testing we simplify the scheduling process to ensure speed, ease, and confidentiality. Our network of certified collection sites and laboratories guarantees precise and trustworthy results, adhering to both federal and state regulations. To locate a conveniently situated drug testing facility near you, call (800) 221-4291 or schedule online 24/7. In situations where safety, compliance, and assurance are crucial, Accredited Drug Testing provides dependable results promptly, 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

In the realm of drug screenings, urine testing is the dominant method across the U.S., and notably the lone technique sanctioned for DOT-regulated drug examinations per 49 CFR Part 40. This procedure identifies recent drug intake by scrutinizing a urine sample for drugs and their metabolites, as well as alcohol biomarkers. Ensuring consistency, privacy, and legal defensibility, this testing serves employers, individuals, and court-directed programs expertly, including services available in Troy, MO.

Testing Techniques & Collection Workflow

1. Donor Verification

Donors must present a sanctioned government ID and finalize requisite chain-of-custody forms preceding the test commencement.

2. Controlled Collection Ambiance

Urine is collected in a secure restroom to thwart tampering attempts, employing measures such as personal item restrictions, secured water sources, and dyed toilet water for standard security.

3. Documented Chain of Custody

The sample's collection and laboratory transit are recorded via a sanctioned Chain of Custody Form (CCF), upholding the test's validity and legal defensibility.

4. Assessment of Temperature & Authenticity

Post-collection, the urine undergoes a temperature and attribute check, followed by validity assays at the laboratory, analyzing creatinine levels, pH, specific gravity, and potential tampering indicators.

5. DOT Split Sample Protocol

DOT urine samples are bifurcated into Bottle A for initial testing, and Bottle B reserved for retests contested by donors. Non-DOT tests involve a singular vial collection.

6. Laboratory Examination & Confirmation

Certified SAMHSA labs employ a dual-step testing regimen:

  • Preliminary Immunoassay Screening: determines drug categories.
  • Definitive Testing: GC/MS or LC/MS techniques ascertain specific drugs or metabolites accurately.

7. MRO Certification

A certified Medical Review Officer reviews, validates, and dialogues with donors on non-negative results, endorsing the final outcomes post-verification.

Urine Test Result Turnaround

  • Prompt Urine Test: Immediate negative results, with positive outcomes undergoing lab confirmation within 24-72 hours.
  • Lab-Processed Urine Test: 24-48 hours for the majority of negative results.
  • DOT Drug Examination: 1-3 business days based on MRO's review and donor communications.
  • Urine EtG Alcohol Test: Usually 24-48 hours.

Additional time may be required in cases of shy bladder, invalid samples, or when lab confirmation or donor interaction is necessitated.

Urine Drug & Alcohol Testing - Benefits

  • DOT sanctioned and federally recognized, showcasing compliance.
  • Apt for recent usage detection, valuable in workplace and post-accident settings.
  • Cost-efficient and brisk result delivery.
  • Courts, employers, and government agencies frequently accept results.
  • Allows immediate testing alternatives for urgent screens.
  • Endorses exactitude via GC/MS or LC/MS confirmatory technology.

Constraints of Urine Drug & Alcohol Testing

  • Limited detection duration (1-7 days for most substances).
  • Vulnerable to manipulation without stringent security practices.
  • Ineffective for showcasing long-term drug usage patterns.
  • Demands restroom access alongside specific collection norms.
  • Standard urine screens overlook alcohol unless EtG/EtS tests are employed.

Despite its limitations, urine testing continues to be the most feasible and widely embraced form for drug and alcohol surveillance nationwide.

How Hair Drug Testing Works

Hair drug and alcohol screenings stand as a credible forensic strategy to detect long-term usage frameworks. In contrast to urine testing which reveals recent consumptions, hair analysis evaluates drug metabolites ensconced in the hair shaft, offering a comprehensive 90-day observation span. This approach is invaluable for workplace assessments, legal cases, child custody disputes, and scenarios demanding a broader snapshot of an individual's substance history, with services inclusive in Troy, MO.

Testing Procedures & Collection Workflow

1. Verification of Donor Identity

Proceedings start once the donor presents a valid government ID, finalizing every essential consent, and custody signatures for viable documentation.

2. Hair Sample Gathering

Expert collectors acquire a compact hair strain - chiefly 100-120 strands - trimmed close to the scalp. Despite the head's crown being the favored site, in its absence, alternate body hair might be harvested courteously, quietly observed throughout.

3. Custodial Chain Documentation

A Hair Drug Test Custody and Control Form is affixed to authenticate the collection, sealing, and transit of the specimen, assuring legally defensible outcomes and preserving integrity throughout testing.

4. Laboratory Conditioning & Analysis

In the lab, hair samples navigate several forensic phases:

  • Decontamination: Erasure of exterior contaminants, like smoke residue or environs.
  • Sectioning/Grinding: Hair is segmented or pulverized prepping for extraction.
  • Extraction: Drug metabolites are chemically retrieved from within the hair matrix.

The sample is then scrutinized utilizing advanced testing techniques:

  • Initial Screening - Immunoassay evaluations spotlight drug categories.
  • Verification Testing - GC/MS or LC/MS apparatuses affirmed specific drugs/metabolites with technical accuracy.

5. Metabolite Detection

While the hair nurtures, drug remains preserve within its shaft yielding a staunch long-term consumption record, rendering hair testing remarkably secure against tampering or deceit.

6. MRO Analysis

Appointed Medical Review Officers evaluate all non-negative data for compliance, cognize possible healthcare justifications, thereafter issuing the certified final inference.

Timeline for Hair Test Results

  • Standard Hair Testing: 2-3 business days post-sample arrival at the lab.
  • Intricate Panels/Alcohol Testing (EtG/FAEE): Determinable over a 3-5 business day stretch based on the test module.

Despite the protracted laboratory processes involved in hair testing, its steadfast detection reliability surpasses urine testing alternatives considerably.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection latitude reflecting enduring substance consumption.
  • Extremely impregnable against counterfeiting or tampering stratagems.
  • Charts regular, sporadic, or ceased drug usage patterns.
  • Favored in legal contests, child custody determinations, and regulatory adherences.
  • Non-invasive and rapidly executed collection.
  • Currently, no DOT regulated approvals exist for hair testing criteria.

Constraints of Hair Drug & Alcohol Testing

  • Incumbent challenges spotting very recent uses (5-7 days ensuing consumption).
  • Carries heftier expenses when estimated against urine or oral fluids tests.
  • Body hair unable to provide definite detection intervals.
  • Substances integrate with hair variably influenced by hair types and maturity rates.
  • Though possessing certain limitations, hair testing endures as a premium method for discerning chronic substance consumptions, enacted extensively by employers, legal authorities, and individual users demanding credible tamper-protected outcomes.

Alcohol & Drug Testing-How Each Method Works

In Troy, MO, Accredited Drug Testing endeavors to offer a comprehensive suite of drug and alcohol testing methods tailored for employers, DOT mandates, legal obligations, and personal requirements. Familiarity with each testing procedure is crucial for selecting the right test, acquiring dependable results, and adhering to federal and state standards. Supported by an expansive network, certified labs, and Medical Review Officers (MROs), we offer the excellence, integrity, and performance necessary for trustworthy testing.

Alcohol Urine Drug Test

An alcohol urine test spots recent alcohol intake by assessing ethanol metabolites within urine. Often employed for workplaces, legal trials, and post-incident investigations, it provides a brief detection window of several hours, although it does not gauge current impairment. This renders it a swift, economical choice for screening needs.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test reveals alcohol consumption up to 80 hours post-ingestion. Being a precise ethanol metabolite, the EtG test is preferred by courts and rehabilitation entities for its extended detection period over traditional tests.

Breath Alcohol Test

A breath alcohol test examines deep lung air for a real-time assessment of impairment. Using DOT-certified breath analyzers (EBTs), these tests afford immediate, legally defensible results, making them standard for DOT-enlisted employees and used frequently for corporate, post-incident, and justifiable suspicion testing.

Blood Alcohol Test

The blood alcohol test precisely measures ethanol presence in the blood, recognized for its accuracy, especially in DUI, emergency care, and intensive judicial inquiries due to its provision of precise impairment measures.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test identifies enduring alcohol intake patterns more accurately by isolating alcohol-specific biomarkers in red blood cells, providing strong evidence of sustained consumption over 2-3 weeks and frequently engaged in family law, assessment centers, and safety-sensitive employment screenings.

ETG Alcohol Test (Hair)

The EtG hair alcohol test delivers a 90-day lookout for repeated or chronic alcohol use by identifying metabolites in hair strands, often relied upon in judicial contexts and long-term monitoring schemes.

With professional advice, nationally accredited laboratories, and prompt scheduling services, Accredited Drug Testing assures every testing method provides results that are unmistakable, rigorously supported, and compliant, thus facilitating informed and regulatory-aligned decisions for all stakeholders.


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

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

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

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

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

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


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(800) 221-4291