Drug & Alcohol Testing Near Me - Rio Grande City, TX

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 Rio Grande City

Minutes Away, Test Today

201 N Fm 3167 Ste 11011.54 miles

201 N Fm 3167 Ste 110
Rio Grande City, TX 78582

1402 N Grant St12.54 miles

1402 N Grant St
Roma, TX 78584

305 E Expressway 8333.16 miles

305 E Expressway 83
Mission, TX 78572

900 S Bryan Rd33.84 miles

900 S Bryan Rd
Mission, TX 78572

2420 E Griffin Pkwy34.92 miles

2420 E Griffin Pkwy
Mission, TX 78572

1424 East Ridge Road Ste236.93 miles

1424 East Ridge Road Ste2
Mcallen, TX 78504

2501 Buddy Owens Ave37.18 miles

2501 Buddy Owens Ave
Mcallen, TX 78504

4132 N 23rd St37.22 miles

4132 N 23rd St
Mcallen, TX 78504

1723 N 23rd St37.39 miles

1723 N 23rd St
Mcallen, TX 78501

501 N Ware Rd37.70 miles

501 N Ware Rd
Mcallen, TX 78501

3421 W Us Highway 83 Ste 137.70 miles

3421 W Us Highway 83 Ste 1
Mcallen, TX 78501

6316 N 10th St Ste C-138.06 miles

6316 N 10th St Ste C-1
Mcallen, TX 78504

4313 N 10th St Ste B38.16 miles

4313 N 10th St Ste B
Mcallen, TX 78504

606 S Broadway St38.38 miles

606 S Broadway St
Mcallen, TX 78501

707 Savannah Ave38.87 miles

707 Savannah Ave
Mcallen, TX 78503

1401 S 6th St38.96 miles

1401 S 6th St
Mcallen, TX 78501

2723 W Trenton,39.16 miles

2723 W Trenton,
Edinburg, TX 78539

301 W Expressway 8339.17 miles

301 W Expressway 83
Mcallen, TX 78503

801 E Nolana Ave Ste 939.32 miles

801 E Nolana Ave Ste 9
Mcallen, TX 78504

110 E Savannah Ave39.40 miles

110 E Savannah Ave
Mcallen, TX 78503

2514 W Freddy Gonzalez Dr39.48 miles

2514 W Freddy Gonzalez Dr
Edinburg, TX 78539

1301 E Fern Ave Ste B339.54 miles

1301 E Fern Ave Ste B3
Mcallen, TX 78501

4847 S Jackson Rd39.60 miles

4847 S Jackson Rd
Edinburg, TX 78539

2015 Jackson Creek Ave40.02 miles

2015 Jackson Creek Ave
Edinburg, TX 78539

403 N Jackson Rd40.05 miles

403 N Jackson Rd
Pharr, TX 78577

1201 East Ridge Road, Ste A40.11 miles

1201 East Ridge Road, Ste A
Mcallen, TX 78503

2505 W Trenton Rd40.16 miles

2505 W Trenton Rd
Edinburg, TX 78539

2109 W Trenton Rd Unit E40.16 miles

2109 W Trenton Rd Unit E
Edinburg, TX 78539

1401 E Ridge Rd Ste C40.24 miles

1401 E Ridge Rd Ste C
Mcallen, TX 78503

1102 W Trenton Rd40.25 miles

1102 W Trenton Rd
Edinburg, TX 78539

926 W Nolana Loop Ste A40.32 miles

926 W Nolana Loop Ste A
Pharr, TX 78577

822 W Wisconsin Rd40.54 miles

822 W Wisconsin Rd
Edinburg, TX 78539

1200 S 10th Ave41.00 miles

1200 S 10th Ave
Edinburg, TX 78539

122 W Champion St41.05 miles

122 W Champion St
Edinburg, TX 78539

104 S 12th Ave41.16 miles

104 S 12th Ave
Edinburg, TX 78539

409 E Mahl St41.29 miles

409 E Mahl St
Edinburg, TX 78539

1106 W Sam Houston St41.33 miles

1106 W Sam Houston St
Pharr, TX 78577

Drug Testing Near Me

Searching for drug testing facilities nearby? Superior choice, Accredited Drug Testing, Inc., offers same-day drug and alcohol testing services, boasting over 20,000 locations across the United States, including Rio Grande City, TX. Whether you require a DOT-mandated examination, a court-directed screening, a pre-employment drug test, or a test for personal considerations, we provide a quick, discreet scheduling process. Our certified collection sites and labs are committed to delivering precise, trustworthy results, fully aligned with federal and state regulations. Dial (800) 221-4291 or book online anytime to locate a convenient testing center nearby. When relating to safety, compliance, and assurance, Accredited Drug Testing consistently provides reliable results promptly.

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

Urine drug screenings remain the predominant approach for substance detection across the United States and is exclusively sanctioned for DOT-regulated drug testing as per 49 CFR Part 40. This process pinpoints recent drug or alcohol consumption by examining urine samples for the presence of drugs, metabolites, or alcohol indicators. This method is crafted to provide precise and legally substantiated results for all stakeholders, from businesses to individual clients and court-mandated programs, ensuring confidentiality and accuracy throughout Rio Grande City, TX and beyond.

Testing Methods & Collection Process

1. Donor Identity Verification

Participants are required to present valid government-issued identification, along with completing the necessary chain-of-custody documentation prior to the commencement of testing.

2. Secure Collection Environment

The urine collection occurs in a monitored restroom environment to combat any form of sample tampering. Security protocols may include controlling personal items, securing water sources, and coloring toilet water.

3. Chain of Custody Documentation

Use of a federally recognized Chain of Custody Form (CCF) ensures sample integrity is maintained from collection point to laboratory analysis.

4. Temperature & Validity Checks

The collector immediately evaluates specimen temperature and appearance post-collection. The lab further tests validity through assessing creatinine, pH, specific gravity, and checking for adulterants.

5. DOT Split Specimen

For DOT tests, specimens are divided into Bottle A (main test) and Bottle B (to contest results if necessary). Non-DOT tests utilize a single specimen vial.

6. Laboratory Screening & Confirmation

Urine samples are sent to SAMHSA-certified laboratories for extensive testing:

  • Initial Immunoassay Screen: Broad spectrum drug class detection.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for precise identification of specific drugs or metabolites.

7. MRO Verification

A certified Medical Review Officer (MRO) evaluates non-negative outcomes, ensuring result accuracy and discussing potential medical explanations prior to final result disclosure.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results provided same day; positives sent for further analysis (24-72 hours).
  • Lab-Based Urine Test: Most negatives confirmed within 24-48 hours.
  • DOT Drug Test: Spanning 1-3 business days, contingent on MRO review and donor follow-up.
  • Urine EtG Alcohol Test: Generally processed within 24-48 hours.

Note: Uncommon circumstances, such as shy bladder instances, incorrect specimens, need for re-confirmation, or issues with donor communication may extend processing times.

Benefits of Urine Drug & Alcohol Testing

  • Remains the exclusive DOT federal standard for controlled testing applications.
  • Perfect for detecting recent intake, useful post-incident or in work settings.
  • Cost-efficient with quick result delivery.
  • Accepted in legal, employment, and agency scopes.
  • Rapid test options available for urgent assessments.
  • Backed by high-precision confirmation techniques like GC/MS or LC/MS.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection span (1-7 days for typical substances).
  • Vulnerable to interference if lacking adequate security protocol.
  • Unable to reveal historical or prolonged usage patterns.
  • Requires specialized collection facilities.
  • Standard tests do not include alcohol detection without EtG/EtS methodologies.

Despite these constraints, urine screening is lauded for its practicality and universal application in substance abuse testing protocols.

How Hair Drug Testing Works

Hair drug and alcohol testing in Rio Grande City, TX serves as a cornerstone for assessing long-term drug and alcohol consumption habits, offering a search window that spans 90 days. Unlike urine tests, which only capture immediate substance use, hair testing examines metabolites entrenched within hair strands, rendering it particularly beneficial for employment screenings, judicial cases, child custody deliberations, and instances where an extended understanding of substance use is needed.

Testing Techniques & Collection Methodology

How Long Do Hair Test Results Take?

While hair testing demands a marginally longer processing time than urine testing, it ensures a consistent detection rate.

Benefits of Hair Drug & Alcohol Testing

Despite limitations, hair testing endures as vital for detecting long-term substance use.

Alcohol & Drug Testing-How Each Method Works

Rio Grande City, TX's Comprehensive Drug and Alcohol Testing Solutions

At Accredited Drug Testing, we offer a sweeping array of drug and alcohol testing services, structured to align with the specific needs of employment, DOT, legal obligations, and personal checks. Grasping the mechanics of each test reinforces precise selection and dependable results, uniformly tagging along with regulatory edicts both federally and within Rio Grande City, TX's laws. The synergy of our pervasive network, validated labs, and skilled Medical Review Officers manifests assured trust, professionalism, and punctual testing efficacy.

Urine Alcohol Test

A urine alcohol test identifies recent alcohol intake through ethanol metabolite traces found in urine, prevalently engaged in workplace checks, legal compliance, and incident-linked cases. While it doesn't decode current impairment, this cost-effective, brief-window method offers quick separation and result return.

EtG Alcohol Urine Test

This EtG (Ethyl Glucuronide) urine assay demonstrates heightened sensitivity for spotting alcohol use up to 80 hours post-consumption. Given that EtG is an ethanol metabolite, the courts, rehabilitation sites, and surveillance entities favor it for reliability and extended detection window over general urine alcohol tests.

Breath Alcohol Test

For acute impairment estimation, a breath alcohol test quantifies alcohol proportion in deep lung air, dispatching immediate, legally defendable results. Administered through DOT-compliant breath devices, these are vital for DOT-covered employees, workplace checks, post-incident, and suspicion-based testing scenarios.

Blood Alcohol Test

Endorsed for precision, blood alcohol tests quantify circulating ethanol within the bloodstream directly, prevailing in DUI analysis, critical care settings, and intricate legal inquiry due to unparalleled estimations in impairment determination.

PEth Alcohol Blood Test

Highlighting chronic or substantial alcohol intake, a PEth (Phosphatidylethanol) blood test discerns alcohol-specific biomarkers amidst red blood cells, amplifying ongoing use indicators up to 2-3 weeks. Recognized within family law, tracking, therapeutic centers, and industries emphasizing security-sensitive employment vetting.

EtG Alcohol Hair Test

The hair EtG test unfolds a 90-day investigative window by probing embedded metabolites in hair strands, revolved around examining repeat or extensive use over isolated instances. Its resilience against testing evasion gains trust from courts, custody deliberations, and extensive monitoring programs.

Through adept facilitation, extensive laboratories, and expeditious booking, Accredited Drug Testing fortifies the defensible, vivid, and compliant revelations each alcohol examination sets out to achieve; guiding individuals and organizations towards assurance and complete juridical accord.


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

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025

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

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

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


Sources


Rio Grande City Drug Testing

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

Rio Grande City DOT Drug Testing

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

Rio Grande City DNA Testing

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

Rio Grande City Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Rio Grande City, TX.v

Rio Grande City Hair Drug Testing

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

Rio Grande City Alcohol Testing

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

Rio Grande City Drug Testing Services

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

Rio Grande City 5 Panel Drug Test

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

Rio Grande City 10 Panel Drug Test

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

Rio Grande City On Site Drug Testing

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

Rio Grande City DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Rio Grande City, 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.

(800) 221-4291