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Accredited Drug Testing provides a full array of drug and alcohol testing services at our 40 testing facilities in the Greenville, Rhode Island vicinity. Our offerings include urine drug screenings (both DOT and non-DOT), breathalyzer alcohol checks, EtG alcohol assessments, and hair follicle drug tests for personal use, employers, and legal purposes. In Greenville, RI, we deliver rapid results and SAMSA certified lab analyses, with same-day services available. Most testing sites are conveniently located close to your home or workplace. We also provide Occupational Health Services, Clinical Evaluations, and Background Investigations.
Contact us at (800) 221-4291 or register on our website. Choose a test and select a nearby site—options are available for personal use, employee testing, or testing someone else. Scheduling is swift and simple, with our scheduling team ready to assist or through our 24/7 online scheduling platform. Our seamless, intuitive system ensures easy coordination for drug testing near Greenville.
* 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.
At our Greenville 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.
DOT Drug Testing and Requirements
DOT Employer Drug Policy Development
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.
In 2022, Greenville, in Providence County, RI reported a 15% increase in opioid overdoses compared to the previous year.
A survey in 2021 showed that 10% of Greenville high school students had used illicit drugs in the past month.
The number of drug-related hospital admissions in Greenville, Providence County, increased by 8% in 2022.
In 2021, Greenville accounted for 20% of the drug-related arrests in Providence County, RI.
A 2022 report indicated that 25% of emergency room visits in Greenville were related to substance abuse issues.
The rate of drug dependency in Greenville, Providence County was 6% in 2021, aligning with the state average.
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.
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 Greenville, RI are increasingly adopting drug testing policies to ensure a safe and productive work environment. Some local companies are aligning their drug testing protocols with the guidelines provided by the U.S. Department of Labor, which offers resources for workplace safety and health.
Many businesses in Providence County have implemented pre-employment and random drug screenings to deter substance abuse among employees. These policies not only aim to maintain workplace safety but also support employees in seeking treatment if necessary.
The government of Greenville, RI, in collaboration with the Providence County Health Department, has ramped up efforts to combat drug abuse through community outreach programs. The Rhode Island Department of Health has also provided grants to local organizations to enhance prevention and treatment services.
In addition, the city is working with federal agencies such as the Substance Abuse and Mental Health Services Administration to implement evidence-based strategies aimed at reducing the prevalence of drug abuse. These initiatives focus on rehabilitation, education, and law enforcement partnerships.
Recently, Greenville, RI, witnessed a significant drug bust that disrupted a local narcotics distribution network. Authorities seized a considerable quantity of illegal substances, showcasing the ongoing commitment to combat the drug menace in the area. The operation involved cooperation between local law enforcement and state agencies. Community leaders continue to encourage vigilance and public cooperation to prevent such illegal activities.
In a coordinated effort, Greenville police successfully intercepted a drug shipment destined for distribution within the town. This operation was part of a broader initiative targeting the supply chains of illicit drugs in the region. The bust highlights the persistent regional issues with drug trafficking, stressing the importance of continued vigilance and community support in the fight against substance abuse and distribution networks.
The Greenville community has been actively involved in awareness programs to combat drug abuse. Local organizations frequently host events and workshops aimed at educating the public on the dangers of drug use and fostering a drug-free environment. These initiatives, complemented by the strict actions of law enforcement, play a crucial role in reducing the area's drug-related incidents and promoting healthy, safe lifestyles.
Accredited Drug Testing offers fast, reliable employment screening services in Greenville, RI. Trusted by employers nationwide for accurate results and exceptional service.
Rhode Island DOT/Non DOT Physicals
Prevent Overdose RI
Mission First Hope
Project Cares RI
Gateway Healthcare
CODHI Rhode Island
Rhode Island Department of Behavioral Healthcare, Developmental Disabilities & Hospitals
Rhode Island Helpline
Community Care Alliance
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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
Everything was great, the staff was very polite. Thank you.
Olga Petrova - 9/19/2024
The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job
Eli Gonzalez - 1/4/2025