Drug Testing Locations - Winfield, MO

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

31 Drug-Testing Centers in Winfield

Minutes Away, Test Today

1000 E Cherry St13.48 miles

1000 E Cherry St
Troy, MO 63379

1201 Wentzville Pkwy Ste 117,13.62 miles

1201 Wentzville Pkwy Ste 117,
Wentzville, MO 63385

1901 Trade Center Dr14.11 miles

1901 Trade Center Dr
Saint Peters, MO 63376

251 E Pearce Blvd14.13 miles

251 E Pearce Blvd
Wentzville, MO 63385

801 Medical Dr, Ste 20014.26 miles

801 Medical Dr, Ste 200
Wentzville, MO 63385

1111 W Pearce Blvd14.61 miles

1111 W Pearce Blvd
Wentzville, MO 63385

300 Winding Woods Dr Ste 10014.90 miles

300 Winding Woods Dr Ste 100
O Fallon, MO 63366

4 Abington Ct15.02 miles

4 Abington Ct
St. Peters, MO 63376

107 Piper Hill Dr Ste 100 St. Peters Care Center15.43 miles

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

300 Saint Peters Centre Blvd Ste 15016.03 miles

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

2967 Highway K16.11 miles

2967 Highway K
O Fallon, MO 63368

205 First Executive Avenue16.34 miles

205 First Executive Avenue
Saint Peters, MO 63376

5551 Winghaven Blvd Ste 10016.44 miles

5551 Winghaven Blvd Ste 100
O Fallon, MO 63368

400 Fountain Lakes Blvd16.50 miles

400 Fountain Lakes Blvd
St Charles, MO 63301

4101 Mexico Rd Ste E,16.84 miles

4101 Mexico Rd Ste E,
Saint Peters, MO 63376

60 Gailwood Dr Ste B16.93 miles

60 Gailwood Dr Ste B
Saint Peters, MO 63376

1405 Jungermann Rd Ste B17.37 miles

1405 Jungermann Rd Ste B
Saint Peters, MO 63376

2621 Raymond Dr18.90 miles

2621 Raymond Dr
Saint Charles, MO 63301

1794 Zumbehl Rd19.07 miles

1794 Zumbehl Rd
Saint Charles, MO 63303

1051 Wolfrum Rd19.18 miles

1051 Wolfrum Rd
Saint Charles, MO 63304

2101 Collier Corporate Pkwy19.98 miles

2101 Collier Corporate Pkwy
Saint Charles, MO 63303

50 Monroe St20.30 miles

50 Monroe St
Saint Charles, MO 63301

30 W Highway D Ste 20121.38 miles

30 W Highway D Ste 201
New Melle, MO 63365

400 Maple Summit Rd22.69 miles

400 Maple Summit Rd
Jerseyville, IL 62052

17838 Chesterfield Airport Rd23.54 miles

17838 Chesterfield Airport Rd
Chesterfield, MO 63005

3440 Depaul Lane Ste. 208,23.62 miles

3440 Depaul Lane Ste. 208,
Bridgeton, MO 63044

17300 N Outer 40 Ste 104,23.67 miles

17300 N Outer 40 Ste 104,
Chesterfield, MO 63005

3446 Mckelvey Rd23.87 miles

3446 Mckelvey Rd
Bridgeton, MO 63044

7220 N Lindbergh Blvd #ste 250-60 Cargo Bay Bldg24.10 miles

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

637 Dunn Rd Ste 13524.78 miles

637 Dunn Rd Ste 135
Hazelwood, MO 63042

637 Dunn Rd Ste 10024.78 miles

637 Dunn Rd Ste 100
Hazelwood, MO 63042

Employment, DOT, Court Ordered, Probation, Family

Our 31 testing facilities in the vicinity of Winfield, Missouri, deliver extensive drug and alcohol screening solutions. Accredited Drug Testing caters to individuals, companies, and legal purposes with DOT and non-DOT urine drug tests, EtG alcohol assessments, breath alcohol tests, and hair drug analysis. We ensure quick testing outcomes and certified lab scrutiny from SAMSA, providing same-day services. Most locations are conveniently situated near homes or workplaces in Winfield, MO. Additional offerings include background checks, Occupational Health Testing, and Clinical Testing.

Contact us at (800) 221-4291 or sign up digitally. Choose a test and select a nearby facility—testing is open for personal, employee, or third-party needs. Arranging a test is straightforward and swift via phone or our 24/7 online scheduling system. Our efficient, intuitive system simplifies the process of organizing drug testing near Winfield.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

Winfield, MO Drug Testing

Drug Testing Services Available at Our Winfield, MO Labs:

At our Winfield drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Drug Testing in Winfield, MO

Winfield, Missouri Statistics

In Winfield, MO, Lincoln County reports a 12% increase in drug-related arrests in the last five years.

Lincoln County, including Winfield, saw a 15% rise in opioid-related hospital admissions in 2022.

Winfield, MO, has a drug overdose mortality rate 10% higher than the state average as of 2022.

A survey in 2022 found that 8% of Winfield High School students had tried illicit drugs.

In Lincoln County, 20% of substance abuse patients cited methamphetamine as their primary drug of abuse in 2022.

Winfield's drug court program has a completion rate of 75% among participants as of 2023.

How does the body eliminate Drugs

Drug elimination is the sum of the processes of removing an administered drug from the body. In the pharmacokinetic ADME scheme (absorption, distribution, metabolism, and excretion), it is frequently considered to encompass both metabolism and excretion. Hydrophobic drugs, to be excreted, must undergo metabolic modification making them more polar. Hydrophilic drugs, on the other hand, can undergo excretion directly, without the need for metabolic changes to their molecular structures.

Although many sites of metabolism and excretion exist, the chief organ of metabolism is the liver, while the organ primarily tasked with excretion is the kidney. Any significant dysfunction in either organ can result in the accumulation of the drug or its metabolites in toxic concentrations.

A variety of other factors impact elimination — intrinsic drug properties, such as polarity, size, or pKa. Also other factors include genetic variation among individuals, disease states affecting other organs, and pathways involved in the way the drug distributes through the body, such as first-pass metabolism.

Issues of Concern

Drug elimination is the removal of an administered drug from the body. It is accomplished in two ways, either by excretion of an unmetabolized drug in its intact form or by metabolic biotransformation followed by excretion. While excretion is primarily carried out by the kidneys, other organ systems are involved as well. Similarly, the liver is the primary site of biotransformation, yet extrahepatic metabolism takes place in a variety of organ systems affecting multiple drugs.

Given the multiple organ systems and the variety of metabolic transformations present, drug elimination can entail a significant degree of complexity. Hydrophilic drugs are typically directly excreted by the kidneys, while hydrophobic drugs undergo biotransformation before excretion. The purpose here is twofold – biotransformation serves both detoxify the exogenous substances as well as to increase their hydrophilicity, ensuring their elimination via the kidneys.

Two broad metabolic pathways of hepatic drug transformation exist. Phase I is the direct modification of the target molecule, whereas phase II entails conjugation of the target to a polar molecule of low molecular weight. Phase I prepare the drug to enter phase II, but single-phase metabolism also exists.

Phase I involves oxidation, reduction, and hydrolysis of the exogenous molecule. These reactions are accomplished by hepatic microsomal enzymes, which reside in the smooth endoplasmic reticulum of the hepatocytes. Best known among them is the cytochrome P450 system, whose enzymes are predominantly involved in oxidative metabolism. Within the cytochrome P450 family (CYP), the enzyme responsible for the metabolism of more than 50% of existing drugs is the CYP3A4. Its activity encompasses various classes of medications, including opioids, immunosuppressants, antihistamines, and benzodiazepines. The enzymes can also be induced or inhibited by a variety of substances they interact with, including pharmaceuticals. The increase in metabolic activity with CYP induction results in a diminished activity of drugs targeted by that particular isoform. Conversely, CYP inhibition will result in increased drug plasma concentration, potentially leading toxicity. The CYP3A4 is induced by phenytoin, phenobarbital, and St. John's wort, while diltiazem, erythromycin, and grapefruit inhibit it. Caution is, therefore, necessary when administering CYP3A4-metabolized drugs in the presence of any of the inhibitors or inducers.

Phase II consists of covalent bonding of polar groups to nonpolar molecules to render them water-soluble and allow renal or biliary excretion. Target molecules enter phase II directly or via initial processing through phase I. A variety of polar adjuncts is transferred, including amino acids, glucuronic acid, glutathione, acetate, and sulfate. Glucuronidation is one of the major pathways of phase II biotransformation. The UDP-glucuronosyltransferase (UGT) enzyme family performs this activity. Typically, glucuronide derivatives possess less or no activity of the original drug, but in some cases, pharmacologically active compounds result. Morphine-6-glucuronide is a phase II metabolite of morphine with significant analgesic activity. As with the CYP enzymes, inducers, and inhibitors of phase II, enzymes exist and may influence the efficacy of drugs that rely on conjugation before excretion.

The first-pass effect is a feature of hepatic metabolism that also plays a role in the elimination of multiple drugs. Here, the enteric consumed drugs are exposed directly to the liver via the portal vein, where they undergo biotransformation before entering the systemic circulation. This activity reduces the bioavailability and needs to be factored into the dose administered to the patient. Intravenously administered drugs are not subject to the first-pass effect.

Extrahepatic drug metabolism takes place in the GI tract, kidneys, lungs, plasma, and skin.

Renal excretion completes the process of elimination that begins in the liver. Polar drugs or their metabolites get filtered in the kidneys and typically do not undergo reabsorption. They subsequently get excreted in the urine. Urinary pH has a significant impact on excretion, as drug ionization changes depending on the alkaline or acidic environment. Increased excretion occurs with weakly acidic drugs in basic urine and weakly basic drugs in acidic urine.

Excretion in the bile is another significant form of drug elimination. The liver can actively secrete ionized drugs with a molecular weight greater than 300 g/mol into bile, from where they reach the digestive tract and are either eliminated in feces or reabsorbed as part of the enterohepatic cycle.

Other pathways of excretion include the lungs, breast milk, sweat, saliva, and tears

Employers in Winfield, MO & Drug Testing Policies

Employers in Winfield, MO, are increasingly implementing strict drug testing policies to combat workplace drug abuse. Many local businesses partner with the Missouri Department of Labor to develop comprehensive drug-free workplace programs. These policies often include pre-employment screening and random drug tests.

Such measures aim to maintain safety and productivity. Employers are also encouraged to provide access to Employee Assistance Programs (EAPs) for workers struggling with addiction. By prioritizing these strategies, businesses in Winfield work to reduce the prevalence of drug abuse among employees, thereby contributing to the broader community's efforts to tackle substance abuse.

Government Efforts with Drug Problems in Winfield, MO

The government of Winfield, MO, in Lincoln County, has launched several initiatives to address the drug problem. Partnering with the Missouri State Highway Patrol, they have increased law enforcement efforts to curtail drug trafficking. The city also collaborates with the Missouri Department of Mental Health to improve access to treatment services.

Additionally, through federal grants, the city has developed community education programs to raise awareness about substance abuse. The Substance Abuse and Mental Health Services Administration supports local organizations in their prevention and intervention efforts. These comprehensive strategies aim to reduce the impact of drug abuse in Winfield and Lincoln County.

Local Drug Busts & News in Winfield, MO

Recently, in Winfield, MO, a significant drug bust resulted in the seizure of over a hundred pounds of methamphetamine. This operation, conducted by the Lincoln County Sheriff's Department in collaboration with the Drug Enforcement Administration, is one of the largest in the area's history.

Community events such as the annual Lincoln County Drug Awareness Forum also play a role in addressing local drug issues. These events often feature speakers from various local and state agencies, providing education and resources to the public. Such efforts are instrumental in fostering community engagement and awareness about the ongoing fight against drug trafficking and misuse in the region.

Occupational Health Services

Accredited Drug Testing offers fast, reliable employment screening services in Winfield, MO. Trusted by employers nationwide for accurate results and exceptional service.

Missouri DOT/Non DOT Physicals

Missouri Vision Tests

Missouri Audiograms

Missouri Respirator Fit Tests

Missouri Lift Tests

Missouri Background Checks

Resources & Citations

Missouri Hope and Assistance Project

NCADA - National Council on Alcoholism & Drug Abuse

Renewal Life Center

Compass Health Network - Crider Center

Prevention Consultants of Missouri

Substance Abuse Traffic Offender Program

Midwest Institute for Addiction

Franklin Community Health Network

Gibson Recovery Center

Center for Substance Abuse Treatment - Hope Center

Winfield Drug Testing

Quickly find trusted local drug testing centers in Winfield, MO — fast, convenient, and reliable every time!

Winfield DOT Drug Testing

Quickly find a local DOT drug testing center in Winfield, MO — fast, reliable, convenient nationwide service!

Winfield DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Winfield, MO.

Winfield Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Winfield, MO.v

Winfield Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Winfield, MO locations—results you can trust, every time!

Winfield Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Winfield, MO.

Winfield Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Winfield, MO.

Winfield 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Winfield, MO employers and individuals nationwide.

Winfield 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Winfield, MO workplace and personal testing needs.

Winfield On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Winfield, MO workplace compliant.

Winfield DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Winfield, MO drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

Yes. Accredited Drug Testing maintains access to numerous collection sites nationwide, so in most cases a testing location is available close to a donor’s home, workplace, or job site. Same-day scheduling is often possible for both drug and alcohol testing needs.
Employers, DOT-regulated companies, attorneys, courts, probation departments, and private individuals all use Accredited Drug Testing locations. You do not need to be part of a large company to request testing — individuals can order testing directly.
Locations support urine drug tests, hair follicle drug tests, saliva/oral fluid drug tests, instant/rapid screening (where permitted), and evidential breath alcohol testing. Post-accident and reasonable suspicion testing are also available.
Yes. Accredited Drug Testing supports DOT-compliant urine drug testing and evidential breath alcohol testing following 49 CFR Part 40 requirements. This includes pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up testing for safety-sensitive employees.
In many cases, yes. Same-day or next-day appointments can typically be arranged. This is especially important for urgent needs such as post-accident, reasonable suspicion, court deadlines, or probation compliance.
Yes. Results are released only to the authorized recipient — for example, an employer’s designated representative, the court or probation contact, or the individual who ordered the test. Results are handled securely and are suitable for policy enforcement and legal documentation.
Yes. Accredited Drug Testing offers on-site and mobile collections for employers. Mobile testing is useful for post-accident response, reasonable suspicion situations, high-volume hiring events, and remote job sites where sending employees offsite would cause downtime.
No. You do not need a physician's prescription to request most drug or alcohol tests. Individuals, employers, attorneys, and probation officers can schedule testing directly and send the donor to the assigned collection site.

Customer Reviews

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

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

Smooth and Seamless

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


(800) 221-4291