Drug Testing Locations - Mcnair, TX

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

32 Drug-Testing Centers in Mcnair

Minutes Away, Test Today

610 S Main St2.14 miles

610 S Main St
Highlands, TX 77562

1658 W Baker Rd Ste A3.27 miles

1658 W Baker Rd Ste A
Baytown, TX 77521

1610 W Baker Rd Ste B3.28 miles

1610 W Baker Rd Ste B
Baytown, TX 77521

4401 Garth Rd3.57 miles

4401 Garth Rd
Baytown, TX 77521

4002 Garth Rd Ste 1503.72 miles

4002 Garth Rd Ste 150
Baytown, TX 77521

2802 Garth Rd Ste 213,4.44 miles

2802 Garth Rd Ste 213,
Baytown, TX 77521

2800 Garth Rd4.46 miles

2800 Garth Rd
Baytown, TX 77521

2610 N Alexander Dr5.93 miles

2610 N Alexander Dr
Baytown, TX 77520

1700 James Bowie Dr6.01 miles

1700 James Bowie Dr
Baytown, TX 77520

1515 N Alexander Dr Ste 1156.03 miles

1515 N Alexander Dr Ste 115
Baytown, TX 77520

102 W 2nd St9.03 miles

102 W 2nd St
Deer Park, TX 77536

125 E 8th St9.16 miles

125 E 8th St
Deer Park, TX 77536

1430 Center St9.54 miles

1430 Center St
Deer Park, TX 77536

13601 Woodforest Blvd9.69 miles

13601 Woodforest Blvd
Houston, TX 77015

1803 Center St Ste A9.70 miles

1803 Center St Ste A
Deer Park, TX 77536

9235 N Highway 146 Ste 49.79 miles

9235 N Highway 146 Ste 4
Baytown, TX 77523

9235 N Highway 146 Ste 5a9.79 miles

9235 N Highway 146 Ste 5a
Mont Belvieu, TX 77523

2106 Center St9.85 miles

2106 Center St
Deer Park, TX 77536

126 W San Augustine St10.08 miles

126 W San Augustine St
Deer Park, TX 77536

13469 East Fwy10.14 miles

13469 East Fwy
Houston, TX 77015

2818 Center St10.21 miles

2818 Center St
Deer Park, TX 77536

2910 Center St10.24 miles

2910 Center St
Deer Park, TX 77536

321 W San Augustine St10.36 miles

321 W San Augustine St
Deer Park, TX 77536

1009 S Broadway St10.40 miles

1009 S Broadway St
La Porte, TX 77571

1309 W Fairmont Pkwy Ste X10.52 miles

1309 W Fairmont Pkwy Ste X
La Porte, TX 77571

1140 Westmont Dr Ste 50510.60 miles

1140 Westmont Dr Ste 505
Houston, TX 77015

13125 East Fwy10.62 miles

13125 East Fwy
Houston, TX 77015

1140 Westmont Dr Ste 510,10.65 miles

1140 Westmont Dr Ste 510,
Houston, TX 77015

13259 East Fwy10.72 miles

13259 East Fwy
Houston, TX 77015

125 Sylvan St10.78 miles

125 Sylvan St
La Porte, TX 77571

7720 Spencer Hwy11.37 miles

7720 Spencer Hwy
Pasadena, TX 77505

5141 Center St11.46 miles

5141 Center St
Pasadena, TX 77505

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers wide-ranging drug and alcohol testing services at 32 locations within the McNair, Texas vicinity. Our offerings include both DOT and non-DOT urine drug assessments, breath alcohol evaluations, EtG alcohol analysis, and hair follicle drug tests, catering to personal, employment, and legal requirements. In McNair, TX, we provide quick-result testing along with SAMSA certified lab analysis, ensuring same-day services. Most testing sites are conveniently close to homes or offices. We also offer Occupational Health Assessments, Clinical Tests, and Background Check services.

Dial (800) 221-4291 or register via our website. Choose your preferred test and a nearby center for testing—ideal for individual testing, employees, or third parties. The process of booking a test is Fast and Easy; reach out to our scheduling team or book online anytime, day or night. Our efficient and straightforward system makes it easy to schedule testing near Mcnair.

* 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.

Mcnair, TX Drug Testing

Drug Testing Services Available at Our Mcnair, TX Labs:

At our Mcnair 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 Mcnair, TX

Mcnair, Texas Statistics

In McNair, TX, Harris County saw a 25% increase in drug-related arrests over the past year.

A survey in McNair, TX reveals that 15% of youths in Harris County reported misusing prescription drugs last year.

The overdose mortality rate in Harris County, which includes McNair, TX, rose by 10% in 2022.

In McNair, TX, Harris County authorities confiscated over 100 pounds of illegal substances in 2023.

Alcohol and marijuana are the most common substances abused by teens in McNair, TX, according to a Harris County report.

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 Mcnair, TX & Drug Testing Policies

Many employers in McNair, TX are adopting stringent drug testing policies to ensure workplace safety and compliance with federal and state regulations. Employers often refer to guidelines provided by the Occupational Safety and Health Administration to shape their policies.

Random and scheduled drug tests are regularly performed in sectors like construction and transportation, aligning with policies from the Department of Transportation. This proactive approach is crucial in maintaining productivity and reducing the risk of incidents related to drug misuse.

Government Efforts with Drug Problems in Mcnair, TX

The government has undertaken various initiatives to combat the drug problem in McNair, TX. Local law enforcement agencies, in cooperation with Harris County Health Department, are intensifying patrols and awareness campaigns. These efforts are bolstered by state support, as seen on the Texas Department of State Health Services website.

Federal programs offer resources and funding to enhance treatment facilities in McNair, TX. The Office of National Drug Control Policy also provides additional assistance through grants and policy guidance, available at the ONDCP website. These initiatives signify coordinated efforts at multiple levels to mitigate the local drug crisis.

Local Drug Busts & News in Mcnair, TX

Recent drug busts in McNair, TX highlight the ongoing battle against substance abuse in the region. In early 2023, local law enforcement, in collaboration with DEA agents, seized a significant quantity of methamphetamines and opioids, dismantling a major supply ring.

The community actively participates in awareness events, stressing the importance of prevention and rehabilitation. Programs, often held in conjunction with local schools and community centers, focus on educating the youth about the dangers of drug use.

These efforts underscore the importance of community involvement and law enforcement cooperation in addressing and reducing the prevalence of drug-related issues in McNair, TX.

Occupational Health Services

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

Texas DOT/Non DOT Physicals

Texas Vision Tests

Texas Audiograms

Texas Respirator Fit Tests

Texas Lift Tests

Texas Background Checks

Resources & Citations

Texas Department of State Health Services - o-drug Information

Texas Health and Human Services

Substance Abuse Services

Council on Alcohol and Drugs Houston

Drug Enforcement Administration

Substance Abuse and Mental Health Services Administration

Partnership to End Addiction

Harris Health System

Texas Council of Community Centers

Mcnair Drug Testing

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

Mcnair DOT Drug Testing

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

Mcnair DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Mcnair, TX.

Mcnair Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Mcnair, TX.v

Mcnair Hair Drug Testing

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

Mcnair Alcohol Testing

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

Mcnair Drug Testing Services

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

Mcnair 5 Panel Drug Test

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

Mcnair 10 Panel Drug Test

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

Mcnair On Site Drug Testing

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

Mcnair DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Mcnair, TX 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

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024


(800) 221-4291