Drug & Alcohol Testing Near Me - Mason City, IA

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

31 Drug-Testing Centers in Mason City

Minutes Away, Test Today

423 4th St Sw Ste A Inside Mason City Chiropractic0.07 miles

423 4th St Sw Ste A Inside Mason City Chiropractic
Mason City, IA 50401

1000 4th St Sw0.84 miles

1000 4th St Sw
Mason City, IA 50401

1315 6th St Sw1.13 miles

1315 6th St Sw
Mason City, IA 50401

1501 4th St Sw1.17 miles

1501 4th St Sw
Mason City, IA 50401

1101 10th Ave N8.85 miles

1101 10th Ave N
Clear Lake, IA 50428

803 9th Ave N20.79 miles

803 9th Ave N
Northwood, IA 50459

730 W 3rd St21.01 miles

730 W 3rd St
Garner, IA 50438

140 W 4th St Ste 121.13 miles

140 W 4th St Ste 1
Saint Ansgar, IA 50472

2133 350th St21.76 miles

2133 350th St
Osage, IA 50461

616 N 8th St21.83 miles

616 N 8th St
Osage, IA 50461

309 S 10th Ave E24.24 miles

309 S 10th Ave E
Lake Mills, IA 50450

505 S 1st Ave E24.60 miles

505 S 1st Ave E
Lake Mills, IA 50450

635 E Us Highway 924.92 miles

635 E Us Highway 9
Forest City, IA 50436

1501 S Main St Ste 627.07 miles

1501 S Main St Ste 6
Charles City, IA 50616

904 Ferguson St27.19 miles

904 Ferguson St
Charles City, IA 50616

303 Central Ave E28.46 miles

303 Central Ave E
Hampton, IA 50441

1720 Central Ave E28.67 miles

1720 Central Ave E
Hampton, IA 50441

403 1st St Se29.78 miles

403 1st St Se
Belmond, IA 50421

532 1st St Nw30.86 miles

532 1st St Nw
Britt, IA 50423

1727 W Main St35.36 miles

1727 W Main St
Albert Lea, MN 56007

404 W Fountain St35.44 miles

404 W Fountain St
Albert Lea, MN 56007

1608 W Fountain St35.66 miles

1608 W Fountain St
Albert Lea, MN 56007

109 Woodbridge St Po Box 6935.76 miles

109 Woodbridge St Po Box 69
Nashua, IA 50658

300 W Oakland Ave36.95 miles

300 W Oakland Ave
Austin, MN 55912

1000 1st Dr Nw37.68 miles

1000 1st Dr Nw
Austin, MN 55912

75507 240th St38.70 miles

75507 240th St
Albert Lea, MN 56007

1316 S Main St40.21 miles

1316 S Main St
Clarion, IA 50525

115 N Main St40.88 miles

115 N Main St
Buffalo Center, IA 50424

116 N Main St40.88 miles

116 N Main St
Buffalo Center, IA 50424

920 S Oak St44.77 miles

920 S Oak St
Iowa Falls, IA 50126

308 N Maple Ave44.86 miles

308 N Maple Ave
New Hampton, IA 50659

Drug Testing Near Me

Searching for drug testing nearby? Accredited Drug Testing, Inc., highly regarded across the United States, offers same-day testing for drugs and alcohol in over 20,000 locations, including Mason City, IA. Whether your needs include a DOT-approved test, court-mandated screening, pre-employment drug assessments, or personal inquiries, we ensure a swift, straightforward, and private scheduling experience. Our authorized collection facilities and labs deliver precise, dependable results that adhere to federal and Mason City, IA state regulations. For a streamlined experience, contact us at (800) 221-4291 or conveniently schedule online anytime to locate an accessible testing center in Mason City, IA near you. When it comes to prioritizing safety, compliance, and tranquility, Accredited Drug Testing provides reliable results promptly, every single time.

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 Mason City, IA 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

Exploring Hair Drug and Alcohol Testing in Mason City, IA

Hair drug testing serves as a remarkably reliable mechanism, offering a thorough assessment of long-term substance usage patterns, essential for judicial proceedings, employment verifications, and more. In contrast to urine assessments which focus on recent intakes, hair testing permits a comprehensive 90-day detection period through the scrutiny of drug remnants within the hair strands.

Test Procedure & Process

Step 1: Verification of Donor Identity

The initial stage involves validating the donor's identity using a legitimate government ID, complemented by capturing necessary signatures for consent and custody chain.

Step 2: Collecting Hair Samples

A certified collector attains an approximated sample usually 100 to 120 hair strands, cut closely at the scalp. While the collection preferably happens at the head's crown, alternatives include body hair. The fast and site-supervised procedure ensures meticulous observation.

Step 3: Documenting Chain of Custody

The Hair Drug Test Custody and Control Form meticulously records the collection, sealing, and transporting of the sample, ensuring results maintain their legal soundness and protection throughout.

Step 4: Laboratory Analysis

Inside the laboratory, the hair methodically undergoes a sequence of forensic steps:

Subsequently, the sample proceeds with highly analytic forensic scrutiny:

Step 5: Detecting Metabolites

As metabolites integrate into the hair structure during growth, the hair provides a credible, lasting history of drug intake, resisting alteration or deception attempts.

Step 6: MRO Verification

A certified Medical Review Officer evaluates non-negative outcomes for verification of accuracy, to consider medicinal reasons, and to stipulate conclusive results.

Hair Test Duration and Factors

Owing to the intricate laboratory phases, hair testing turnaround may extend beyond urine testing but offers unparalleled reliability.

Advantages of Utilizing Hair Drug & Alcohol Testing

With its extensive applications in Mason City, IA, hair analysis remains a leading choice for tracing prolonged substance behavior, valued by employers, legal professionals, and self-monitors alike.

Alcohol & Drug Testing-How Each Method Works

In Mason City, IA, Accredited Drug Testing offers a comprehensive array of alcohol and drug screening options. These tests are carefully crafted to align with the needs of employers, DOT standards, legal guidelines, and personal testing necessities. The knowledge of how each specific test operates guarantees the right choice is made, ensuring both reliable results and adherence to federal and state regulations. Our robust network spans nationwide, backed by certified labs and skilled Medical Review Officers, which bring forth the accuracy, trust, and professionalism you deem right for trustworthy testing results.

Alcohol Urine Drug Test

This alcohol urine test targets recent alcohol intake by spotting ethanol metabolites in the urine. It's often employed in workplace screenings, judicial demands, and in the aftermath of accidents. While it doesn't gauge immediate impairment, it serves as a quick, cost-effective solution with a short detection scope of several hours.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is noted for its heightened sensitivity, able to trace alcohol consumption up to 80 hours post-drinking. Given that EtG is a direct byproduct of ethanol exposure, this test is prevalently utilized in judicial, rehab programs, and compliance monitoring settings, praised for both its prolonged detection period and its trusted accuracy.

Breath Alcohol Test

A breath analysis targeting alcohol concentration via deep lung air reveals current impairment state. Using DOT-compliant breath alcohol devices (EBTs), these tests deliver immediate, court-admissible results, integral for DOT-covered workforce, workplace safety, post-incident evaluations, and suspicion-based testing.

Blood Alcohol Test

This blood alcohol test quantifiably gauges the ethanol presence in bloodstream, granting it recognition as a leading method for impairment assessment. It's typically used in DUI inquiries, emergent healthcare, and critical legal scenarios by hospitals, law enforcement, and legal experts.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test discerns chronic or heavy drinking through alcohol-specific biomarkers within red blood cells. Detecting use over a span of 2-3 weeks, this test is considered a premier tool for evaluating long-term drinking habits and is relied upon for family law disputes, monitoring schemes, rehab establishments, and pre-hire screenings in safety-focused sectors.

ETG Alcohol Test (Hair)

The EtG hair alcohol test leverages a 90-day inspection period by evaluating alcohol metabolites lodged within the hair stem. This method excels at identifying recurrent or ongoing alcohol patterns, surpassing isolated consumption detections. Because of its stability and resistance to temporary abstinence attempts, it is invaluable in courts, child custody disputes, and long-term surveillance setups.

With leading expertise, recognized labs, and rapid arrangements, Accredited Drug Testing ensures that each alcohol screening approach offers validated, transparent, and regulation-conscious results, supporting both individuals and employers in maintaining knowledge, security, and total regulatory adherence.


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

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

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

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

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


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(800) 221-4291