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Accredited Drug Testing delivers extensive drug and alcohol testing solutions through our 31 testing locations in the Timberville, Virginia region. We conduct DOT and non-DOT urine tests, breath alcohol checks, EtG alcohol screenings, and hair drug tests catering to individuals, businesses, and legal requirements. Our rapid result testing and SAMSA certified lab analysis in Timberville, VA, guarantee quick service with most locations just a short drive from your home or office. We also provide Occupational Health Testing, Clinical Assessments, and Background Verifications.
Dial (800) 221-4291 or register online. Simply pick your desired test and select a nearby venue—services extend to personal, employee, or third-party testing. Our process is fast and convenient; connect with our scheduling team or book your test online anytime. Our efficient and straightforward system ensures easy drug testing setup near Timberville.
* 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 Timberville 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
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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 2021, Timberville, located in Rockingham County, reported a 15% increase in opioid-related overdoses compared to 2020.
Timberville and Rockingham County saw 85 drug-related arrests in 2022, a 10% rise from the previous year.
In Timberville, emergency services responded to over 50 drug overdose calls in the first quarter of 2023.
Rockingham County, including Timberville, reported a 20% increase in drug rehabilitation admissions in 2022.
A survey in Timberville, Rockingham County, in 2022 indicated that 30% of high school students had used illegal substances.
Prescription drug abuse in Timberville saw a decline of 5% in 2022, as noted by Rockingham County health officials.
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
In Timberville, VA, employers are increasingly implementing strict drug testing policies to ensure workplace safety and productivity. Many companies in the area require pre-employment drug screening and random testing as a condition of employment, following guidelines set by the U.S. Department of Labor. These measures are crucial in maintaining a drug-free work environment.
Local businesses adhere to state regulations issued by the Virginia Department of Health Professions, which outlines specific substances employers are mandated to test for. This ensures compliance and promotes a healthier workforce, reducing the risks associated with drug use on the job.
The government of Timberville, VA, along with Rockingham County, is actively engaged in addressing the drug abuse epidemic. One significant initiative involves collaboration with the Virginia Department of Health to provide community-based programs. Funding has been allocated to improve local access to treatment and preventive education.
Furthermore, the Timberville Police Department has been working alongside federal agencies like the DEA to enhance enforcement and eliminate drug supply networks. These efforts are part of a broader state strategy, supported by the Commonwealth of Virginia, to combat substance abuse through coordinated action plans and community involvement.
Timberville, VA, has seen its share of significant drug-related events, including recent high-profile busts. In early 2023, coordinated law enforcement efforts led to the arrest of several individuals involved in a widespread drug trafficking ring. This operation, involving local and federal agencies, was a major step in disrupting illegal narcotics distribution in Rockingham County.
Additionally, local police have increased routine patrols and community awareness programs following a series of drug-related incidents at public events. The aim is to deter illegal activity and educate citizens about the dangers of substance abuse, fostering a safer environment for all residents.
Accredited Drug Testing offers fast, reliable employment screening services in Timberville, VA. Trusted by employers nationwide for accurate results and exceptional service.
Virginia Department of Behavioral Health and Developmental Services
Virginia Department of Social Services
Virginia Department of Health — Behavioral Health
Offender Aid and Restoration (OAR)
Rappahannock Area Community Services Board
Virginia Road to Recovery
Virginia Association of Community Services Boards
Virginia Council on Youth
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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