Drug Screening Near Me - Celina, TX

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

With 31 testing centers in the Celina area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

31 Drug-Testing Centers in Celina

Minutes Away, Test Today

7145 N George Bush Hwy

9.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7145 N George Bush Hwy
Garland, TX 75044

1515 Heritage Dr, Ste 100

11.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1515 Heritage Dr, Ste 100
Mckinney, TX 75069

809 N Central Expy

11.86 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
809 N Central Expy
Mckinney, TX 75070

301 W Main St

11.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 W Main St
Frisco, TX 75034

910 W University Dr

12.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
910 W University Dr
Mckinney, TX 75069

130 S Central Expy

12.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
130 S Central Expy
Mckinney, TX 75070

8756 Teel Pkwy Ste 350

12.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8756 Teel Pkwy Ste 350
Frisco, TX 75034

5575 Warren Pkwy, Prof. Bldg I, Baylor Medical C

12.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5575 Warren Pkwy, Prof. Bldg I, Baylor Medical C
Frisco, TX 75034

2810 S Hardin Blvd

12.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2810 S Hardin Blvd
Mckinney, TX 75070

8200 Stonebrook Pkwy Ste 100

12.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8200 Stonebrook Pkwy Ste 100
Frisco, TX 75034

7227 Preston Rd

12.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7227 Preston Rd
Frisco, TX 75034

954 W Van Alstyne Parkway

13.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
954 W Van Alstyne Parkway
Van Alstyne, TX 75495

1920 W Eldorado Pkwy

13.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1920 W Eldorado Pkwy
Mc Kinney, TX 75069

5644 Preston Rd

14.11 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5644 Preston Rd
Frisco, TX 75034

4510 Medical Center Dr Ste 212

14.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4510 Medical Center Dr Ste 212
Mckinney, TX 75069

4510 Medical Center Dr, Ste 310

14.21 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 04:30 PM
4510 Medical Center Dr, Ste 310
Mckinney, TX 75069

1300 N Central Expy

15.80 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1300 N Central Expy
Plano, TX 75074

1101 Raintree Cir, Suite 100

15.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1101 Raintree Cir, Suite 100
Allen, TX 75013

1218 W Mcdermott Dr

16.28 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1218 W Mcdermott Dr
Allen, TX 75013

6820 Preston Rd

17.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6820 Preston Rd
Plano, TX 75024

5000 Main St Ste 203

17.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5000 Main St Ste 203
The Colony, TX 75056

5151 State Highway 121

18.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5151 State Highway 121
The Colony, TX 75056

4707 State Highway 121

18.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4707 State Highway 121
The Colony, TX 75056

3821 W Spring Creek Pkwy

18.54 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3821 W Spring Creek Pkwy
Plano, TX 75023

3800 Main St Ste 100

18.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3800 Main St Ste 100
The Colony, TX 75056

832 W Spring Creek Pkwy Ste 300a

19.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
832 W Spring Creek Pkwy Ste 300a
Plano, TX 75023

3600 Communications Pkwy, Ste 647

19.26 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
3600 Communications Pkwy, Ste 647
Plano, TX 75093

5944 W Parker Rd Ste 200

19.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5944 W Parker Rd Ste 200
Plano, TX 75093

3304 Alma Dr

19.91 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
3304 Alma Dr
Plano, TX 75023

3331 Colorado Blvd

20.27 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 03:30 PM
3331 Colorado Blvd
Denton, TX 76210

2817 S Mayhill Rd, Suite 130

20.28 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
2817 S Mayhill Rd, Suite 130
Denton, TX 76208

Nationwide Convenience

Find a drug screening near you in minutes. Our team will schedule your visit and email your authorization form right away, no walk-in confusion.

Trusted Results

Lab-based testing with MRO review available. Chain-of-custody and defensible documentation for employers, legal needs, and compliance.

Fast Turnaround

Rapid screens with same-day results options, plus confirmatory lab testing. Clear timelines and proactive status updates.

Drug Screening Services Near You

Urine Drug Screening

  • 5, 10, 12, 14 panel options
  • Lab-based & rapid screens
  • DOT and non-DOT

Hair Drug Screening

  • 90-day lookback
  • Observed collection
  • Work, court, personal

Oral Fluid Drug Screening

  • On-site friendly
  • Recent-use detection
  • DOT oral fluid coming soon

Specialty Screening Panels

  • Child Guard Exposure
  • Alcohol (EtG/EtS)
  • Custom employer panels

For Employers

  • Pre-employment, random, post-accident, and reasonable suspicion
  • DOT compliance (FMCSA, FAA, FRA, FTA, PHMSA, USCG)
  • Electronic CCF, consolidated reporting, and MRO review
Employer Solutions

For Individuals

  • Personal, court, probation, school, and athletic programs
  • Confidential ordering with clear instructions
  • Results delivered securely
Order a Screening


What Is a Urine Drug Screen?

In Celina, TX, a comprehensive urine drug screen involves analyzing a urine sample to detect drugs and their metabolites. This testing method is widely adopted in workplace and regulatory programs due to its non-invasiveness, affordability, and ability to identify a diverse array of substances over a practical detection period.

  • Samples are collected under stringent chain-of-custody protocols for regulated assessments.
  • It identifies both parent substances and metabolites that are eliminated through urine.
  • While indicating past drug exposure within a specific detection timeframe, it does not measure current intoxication levels.

Why Organizations Use Urine Drug Screening

  • Testing for drugs before employment to uphold a secure, substance-free workplace in Celina, TX.
  • Includes random, post-incident, and suspicion-based assessments, along with checks before return-to-duty.
  • Adherence to regulatory standards in industries where safety is paramount.
  • Ensures compliance with prescribed medication regimens or rehabilitation programs.

How It Works

Collection

  • In the Celina, TX, to initiate a urine collection, the donor produces a sample using a secure container under observed or unobserved conditions, per program specifications.
  • To assure the authenticity of the sample, its validity may be verified by checking factors such as creatinine concentration, specific gravity, and pH level.

Testing Methodology

  • An initial immunoassay test is conducted to provide a quick and economical assessment.
  • If the preliminary results indicate possible drug presence, confirmatory tests like GC/MS or LC/MS/MS are conducted to validate findings.
  • In Texas, cutoff levels, measured in nanograms per milliliter (ng/mL), are used to determine whether the result is positive or negative.

Interpreting Results

Detection Windows

The detection of substances depends on factors such as the type of substance, frequency of usage, metabolic rate, hydration levels, body composition, and testing sensitivity in Celina, TX. Typically, many substances may be detected for a period ranging from one to three days, while certain drugs, like cannabinoids in habitual users, might be detectable over a longer span.

Key Considerations for Regulated (e.g., DOT) Programs

  • Adhere strictly to relevant federal regulations and utilize laboratories that carry certification.
  • Ensure that collection is undertaken by trained, qualified personnel, maintaining an unimpeachable chain-of-custody.
  • Incorporate testing procedures to validate specimen authenticity and deter potential adulteration.
  • A certified Medical Review Officer (MRO) should review results when necessary.
  • Record keeping and procedural documentation should be diligent, with well-defined follow-up actions post positive results.

Benefits and Limitations

Benefits

  • Widely perceived as a cost-effective solution, urine drug testing offers broad coverage across numerous substances within Celina, TX.

  • It provides an optimal detection window suitable for monitoring workplace compliance and safety.

Limitations

  • A Celina, TX urine drug test does not measure present-time impairment.
  • Tests can yield false positives or negatives without confirmatory examinations.
  • The test may not detect very recent drug use that falls outside the window of detection.

Best Practices for Implementation

  • Establish a clear, documented policy outlining reasons for tests, specific panels, cutoff levels, confidentiality assurances, and any consequences involved.
  • Adopt a dual-step process: initial screening followed by confirmatory testing to ensure accuracy.
  • Educate employees and donors thoroughly about the entire process and what is expected of them.
  • Monitor positivity trends over time to enhance safety and wellness efforts within the organization.
  • Collaborate with reputable collection networks and accredited laboratories, particularly in Celina, TX.

Summary

In Celina, TX, urine drug screening serves as a cornerstone for ensuring safety, verifying compliance, and managing risks effectively. With adherence to accredited methods, a reliable chain-of-custody, and confirmatory testing reviewed by qualified personnel, organizations can depend on urine drug screening to uncover prior drug exposure and maintain a secure and efficient working environment.





What Is a Hair Drug Screen?

In Celina, TX, hair drug testing involves analyzing a small hair sample to detect drugs and their metabolites that have entered the hair shaft through the bloodstream. Given the gradual growth of hair, which preserves drug metabolites over time, this method provides one of the longest detection periods, optimal for identifying long-term or habitual substance use.

  • Usually, around 100–120 strands are cut close to the scalp, approximately 1.5 inches in length.
  • This sample size generally covers about a 90-day detection window, dependent on hair growth.
  • The method allows testing for various substances such as amphetamines, opioids, cocaine, marijuana, and PCP.

Why Organizations Use Hair Drug Screening

  • Identifying longstanding substance use in pre-employment scenarios, vital for Celina, TX employers.
  • Periodic or random checks within safety-critical fields.
  • Monitoring compliance within legal frameworks or rehabilitation efforts.
  • Verifying sustained abstinence or adherence to drug-free workplace policies.

How It Works

Collection

  • In Celina, TX, a small sample, typically near the crown, is carefully trimmed by a collector following chain-of-custody procedures.
  • The sample is then securely sealed, properly labeled, and sent to a certified laboratory.
  • Should scalp hair be insufficient, body hair serves as an alternate collection site.

Testing Methodology

  • Initial washing and processing of hair samples are performed to eliminate external contaminants.
  • The primary screening employs immunoassay technology suited for identifying drug classes.
  • Specimens showing positive results undergo confirmation via GC/MS or LC/MS/MS testing for accurate identification.
  • Cutoff criteria are designated in nanograms per milligram (ng/mg), based on guidelines from SAMHSA and laboratory protocols.

Interpreting Results

  • Negative: An absence of drugs or metabolites above the minimum lab threshold is reported in Celina, TX.
  • Positive: Detected drugs or metabolites are validated by further testing, confirming the initial findings.
  • Inconclusive/Rejected: Insufficient sample material or contamination necessitates the collection of a new sample.

Detection Windows

Hair testing stands out as offering the longest detection window among drug testing methods, reflecting around 90 days of potential substance exposure through a standard 1.5-inch hair sample. In Celina, TX, this window could extend further with longer samples, according to a hair growth rate of approximately 0.5 inches each month. Unlike urine or oral fluid tests, hair analysis does not detect very recent use within the past 7–10 days.

Key Considerations for Regulated and Non-Regulated Testing

  • While DOT standards do not yet encompass hair testing, Celina, TX observes continued evaluations by the Department of Transportation and HHS for potential future inclusion.
  • In non-DOT programs throughout Celina, TX, hair testing is recognized as an effective tool for detecting long-term drug use.
  • In Celina, TX, specimen collection should be executed by trained personnel, observed under a documented chain-of-custody.
  • Laboratories undergo certifications under SAMHSA or CAP/CLIA accreditation in Celina, TX to ensure reliability and precision.

Benefits

  • In Celina, TX, a prolonged visibility window of up to 90 days or even more.
  • Tampering or substituting samples is considerably more complex compared to urine tests.
  • Generates a comprehensive pattern, representing regular or sustained usage.
  • Collection is swift, non-intrusive, and devoid of restroom facilities, ensuring practicality.

Limitations

Best Practices for Implementation

  • Ensure a documented policy exists delineating scenarios and justifications for employing hair drug testing.
  • Provide training for collectors on required sample sizes, selection of collection sites, and correct sealing practices.
  • Choose laboratories with cutting-edge analytical capabilities that align with SAMHSA compliance.
  • Convey to employees distinctions among hair, urine, and oral fluid testing methods.
  • Uphold confidentiality and maintain consistent documentation across all testing operations.

Summary

Hair drug testing offers a potent and credible avenue for detecting extensive drug use histories, presenting a valuable avenue for employers, legal systems, and treatment initiatives in Celina, TX seeking an intricate or detailed understanding of an individual's interaction with drugs. Conducted by trained collectors and analyzed in accredited labs, hair testing yields reliable, tamper-resistant results that help uphold workplace integrity and safety.

Celina Drug Testing

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

Celina DOT Drug Testing

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

Celina DNA Testing

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

Celina Industry Training

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

Celina Hair Drug Testing

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

Celina Alcohol Testing

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

Celina Drug Testing Services

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

Celina 5 Panel Drug Test

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

Celina 10 Panel Drug Test

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

Celina On Site Drug Testing

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

Celina DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Celina, 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

You can order online or call 800-221-4291 for same-day scheduling. After payment, an authorization form is emailed immediately for use at any of our 17,000+ testing centers.
Accredited Drug Testing provides urine, hair, oral fluid, and specialty panels such as EtG alcohol and exposure testing. Both DOT and non-DOT testing options are available nationwide.
Yes. DOT testing follows 49 CFR Part 40, using SAMHSA-certified labs, qualified collectors, strict chain-of-custody, and MRO review for all regulated modes (FMCSA, FAA, FRA, FTA, PHMSA, USCG).
Rapid tests often provide same-day results. Lab-based testing typically reports within 24–72 hours after specimen collection and laboratory analysis.
Yes. All results are handled in accordance with HIPAA and DOT privacy requirements. Accredited Drug Testing never shares personal data without consent or legal obligation.
Absolutely. We support workplace programs, legal and probation requirements, schools, athletics, and private personal testing needs across the United States.

Customer Reviews

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

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

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

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025

Extremely pleasant

Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!

Brynne Beverly - 4/19/2024


(800) 221-4291