Drug & Alcohol Testing Near Me - Johnston, 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

34 Drug-Testing Centers in Johnston

Minutes Away, Test Today

5731 Greendale Rd Ste 1000.72 miles

5731 Greendale Rd Ste 100
Johnston, IA 50131

5911 Meredith Dr Ste D2.00 miles

5911 Meredith Dr Ste D
Des Moines, IA 50322

2340 Euclid Ave4.07 miles

2340 Euclid Ave
Des Moines, IA 50310

1810 Sw White Birch Circle Ste 1114.30 miles

1810 Sw White Birch Circle Ste 111
Ankeny, IA 50023

1824 Sw White Birch Cir4.30 miles

1824 Sw White Birch Cir
Ankeny, IA 50023

11144 Aurora Ave4.54 miles

11144 Aurora Ave
Urbandale, IA 50322

11208 Aurora Ave Bldg 124.57 miles

11208 Aurora Ave Bldg 12
Urbandale, IA 50322

11319 Aurora Ave,4.65 miles

11319 Aurora Ave,
Urbandale, IA 50322

2417 University Ave5.58 miles

2417 University Ave
Des Moines, IA 50311

2700 Westown Pkwy Ste 2705.77 miles

2700 Westown Pkwy Ste 270
West Des Moines, IA 50266

1233 8th St5.89 miles

1233 8th St
West Des Moines, IA 50265

1650 E Madison Ave5.98 miles

1650 E Madison Ave
Des Moines, IA 50313

1200 Pleasant St6.56 miles

1200 Pleasant St
Des Moines, IA 50309

1301 Pennsylvania Ave Ste 4166.74 miles

1301 Pennsylvania Ave Ste 416
Des Moines, IA 50316

2100 Dixon St Ste E7.00 miles

2100 Dixon St Ste E
Des Moines, IA 50316

12871 University Ave Ste 1307.08 miles

12871 University Ave Ste 130
Clive, IA 50325

6000 University Ave Ste 1247.26 miles

6000 University Ave Ste 124
West Des Moines, IA 50266

640 S 50th St Unit 11008.63 miles

640 S 50th St Unit 1100
West Des Moines, IA 50265

3770 8th St Sw10.88 miles

3770 8th St Sw
Altoona, IA 50009

507 14th St13.63 miles

507 14th St
Dallas Center, IA 50063

108 N Jefferson Way22.70 miles

108 N Jefferson Way
Indianola, IA 50125

610 10th St23.24 miles

610 10th St
Perry, IA 50220

207 Stanton Ave24.20 miles

207 Stanton Ave
Ames, IA 50014

1015 Duff Ave25.16 miles

1015 Duff Ave
Ames, IA 50010

1111 Duff Ave25.21 miles

1111 Duff Ave
Ames, IA 50010

1215 Duff Ave25.29 miles

1215 Duff Ave
Ames, IA 50010

640 S 19th St26.59 miles

640 S 19th St
Nevada, IA 50201

809 Wheeler St Ste 10426.60 miles

809 Wheeler St Ste 104
Ames, IA 50010

630 6th St26.90 miles

630 6th St
Nevada, IA 50201

1115 S Marshall St27.13 miles

1115 S Marshall St
Boone, IA 50036

1015 Union St28.03 miles

1015 Union St
Boone, IA 50036

300 W Hutchings St28.96 miles

300 W Hutchings St
Winterset, IA 50273

300 N 4th Ave E Ste 20033.42 miles

300 N 4th Ave E Ste 200
Newton, IA 50208

319 E Main St34.26 miles

319 E Main St
Panora, IA 50216

Drug Testing Near Me

Seeking reliable drug testing near me in Johnston, IA? Accredited Drug Testing, Inc. offers an extensive range nationwide, with over 20,000 locations including Johnston, IA. Our solutions cater to DOT-regulated examinations, court-mandated assessments, pre-employment screenings, or personal testing requirements. We prioritize fast, discreet, hassle-free scheduling. Our accredited labs and collection sites assure dependable and compliant results under both federal and state regulations. Reach us by calling (800) 221-4291 or schedule online anytime, and locate a nearby testing center. Trust in Accredited Drug Testing for timely, accurate results when safety and compliance are essential.
Johnston, IA's own Accredited Drug Testing: Your secure partner in responsible substance screening.

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

In Johnston, IA and beyond, urine drug testing stands out as the predominant method for detecting illicit substance use. It's recognized as the sole testing method approved for DOT-regulated drug assessments under 49 CFR Part 40, making it indispensable for safety-sensitive roles. This testing involves analyzing a urine sample to uncover drugs, drug metabolites, or alcohol markers, offering a proven approach for employers, individuals, and legal mandates. The entire process ensures confidentiality while providing results that are both prompt and defensively lawful, adapting to the needs of diverse stakeholders.

Testing Methods & Collection Process

  • Identity Verification: The individual undergoing the test presents a valid government identification to ensure authenticity, initiating a proper chain-of-custody procedure.
  • Controlled Collection Environment: Urine samples are gathered in a controlled setting that prevents any tampering, with measures including restricted personal items, secured water sources, and dyed toilet water.
  • Chain of Custody Documentation: From collection to lab analysis, a Chain of Custody Form (CCF) ensures the sample's security and legal defensibility.
  • Validity Checks: The specimen's temperature and appearance are promptly checked post-collection, with the lab conducting further tests for creatinine levels, pH, specific gravity, and any potential adulterants.
  • Split Specimen Method: For DOT purposes, tests use a split specimen approach, dividing the sample into two vials one for initial analysis and the other reserved for retesting upon contention of the first result.
  • Lab Analysis: SAMHSA-certified laboratories deploy a two-pronged testing technique starting with an immunoassay screen to categorize drug classes followed by GC/MS or LC/MS confirmations to detail specific substances.
  • Medical Review Officer (MRO) Process: In cases of non-negative outcomes, an MRO ensures the accuracy and evaluates potential medical justifications prior to result finalization.

Projected Result Turnaround for Urine Tests:

  • Instant Urine Test: Negative results available the same day. Positives proceed to lab confirmation within 24-72 hours.
  • Lab-Based Urine Examination: Generally, negative results are available within 24-48 hours.
  • DOT Drug Test: Results span 1-3 business days, influenced by MRO evaluations and donor communication.
  • EtG Alcohol Test: Outcomes typically take 24-48 hours.
  • Conditions may vary slightly based on individual testing scenarios such as shy bladder, invalid specimens, or necessary lab validations.

Advantages of Urine Drug & Alcohol Testing

Constraints of Urine Drug & Alcohol Testing

Despite such constraints, urine testing maintains its status as a preferred choice for drug and alcohol evaluation on a national scale, including throughout Johnston, IA, owing to its practicality and effectiveness.

How Hair Drug Testing Works

Utilizing a sophisticated laboratory method, hair drug and alcohol testing unearths long-term substance use trends over a convenient 90-day detection period by evaluating drug metabolites embedded within hair strands. In comparison to urine testing that detects recent substance use, hair testing is optimal for settings like workplace programs, legal battles, child custody issues, or any proceedings demanding deeper insight into an individual's substance usage history.

Testing Methods & Collection Process

1. Donor Identity Verification

Collection begins upon verification of donor identity using a government-issued ID, alongside acquiring necessary signatures for consent and chain-of-custody to maintain a robust documentation trail.

2. Hair Collection Procedure

A collector proficiently collects about 100-120 hair strands, ensuring a seamless, painless, and closely monitored process typically from the crown of the donor's head, though body hair may serve as an alternative if necessary.

3. Chain of Custody Documentation

Completion of a Hair Drug Test Custody and Control Form is fundamental to validate the collection, sealing, and eventual transfer of the sample, maintaining legalized defensibility throughout the procedure.

4. Laboratory Preparation & Analysis

After arriving at the lab, several forensic measures are applied, including:

  • Decontamination: Cleansing to eliminate any external contaminants like smoke.
  • Cutting/Grinding: The segmentation of hair for appropriate extraction processes.
  • Extraction: A chemical release of metabolites from the hair matrix.

Subsequent laboratory analysis employs two primary phases:

  • Initial Screening: Immunoassay detects general drug classes.
  • Confirmation Testing: Using GC/MS or LC/MS, specific drugs and metabolites are identified precisely.

5. Metabolite Detection

As drugs are metabolized, the resulting substances become encased in the growing hair, documenting a prolonged record of use, making this method notably resistant to attempts at cheating or alteration.

6. MRO Review

Non-negative outcomes undergo review by a certified Medical Review Officer, validating the results and issuing the formal finding upon evaluating any medical explanations presented.

Timeframe for Hair Test Results

  • Standard Hair Test: Typically takes 2-3 business days from lab receipt.
  • Complex Panels or Alcohol Testing: Coverage usually completes within 3-5 days, subject to panel complexity.

While the processing timeframe may extend beyond that of urine testing, the consistency and breadth of detection cannot be rivaled.

Benefits of Hair Drug & Alcohol Testing

  • A 90-day detection window recording long-term use.
  • Incredibly hard to tamper with, providing reliable results.
  • Prominent for illustrating patterns of usage behavior.
  • Key use in court proceedings, child custody, and robust compliance programs.
  • The collection process is expedient and non-invasive.
  • Highly accurate with high-standard confirmation technology.

Limitations of Hair Drug & Alcohol Testing

Despite certain limitations, hair testing in Johnston, IA and beyond remains a revered method for ascertaining long-term substance adoption patterns with superior accuracy.

Alcohol & Drug Testing-How Each Method Works

At Accredited Drug Testing, our provision of comprehensive alcohol and drug screening solutions is unmatched, each meticulously crafted to satisfy needs for employers, DOT standards, legal prerequisites, and private testing across Johnston, IA and the whole nation. Understanding the functional dynamics of each screening type guarantees optimal choice, accurate outcomes, and adherence to both federal and local regulations. Our broad network, certified labs, and skilled Medical Review Officers uphold the necessary precision, dependability, and professionalism essential for reliable testing results.

Alcohol Urine Drug Test

An alcohol urine test identifies recent alcohol intake by tracing ethanol byproducts in urine samples and is regularly employed in workplaces, legal orders, and post-incident settings. Though it doesn't determine present intoxication, it offers a prompt, cost-efficient detection timeframe over a few hours, making it ideal for swift screenings.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test exhibits utmost sensitivity, able to observe alcohol use up to 80 hours post-consumption. Given its association with the ethanol metabolite, courts, rehabilitation camps, and compliance overseers, prefer this method for its extended detection range compared to typical urine tests, renowned for accuracy and dependability.

Breath Alcohol Test

A breath alcohol test examines current impairment by capturing alcohol concentration in deep lung air. These tests employ DOT-sanctioned breath analyzers (EBTs) for immediate, defensible results. Breath testing is obligatory for DOT-regulated employees, frequently applied in workplaces, post-accident evaluations, and reasonable suspicion situations.

Blood Alcohol Test

A blood alcohol test accurately gauges the ethanol content in the bloodstream and is lauded for its precision, frequently relied upon by medical facilities, law enforcement, and legal professionals especially critical in DUI scenarios, emergency response, and high-stakes legal inquiries.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test pinpoints lasting or intense alcohol consumption by isolating alcohol-indicative biomarkers inside red blood cells. With the ability to detect activity up to weeks later, PEth is considered a central factor to confirm sustained drinking behavior, utilized in family law, monitoring, recovery centers, and safety-critical employment screenings.

ETG Alcohol Test (Hair)

The EtG hair alcohol test enjoys a 90-day detection reach, by dissecting alcohol metabolites embedded inside the hair cuticle. It traces repeated or ongoing alcohol usage rather than transient consumption. Judicial systems, custody battles, and extensive observation programs appreciate hair EtG testing for its consistency, accuracy, and resistant properties to feigned short-term abstinence.

Through expert advice, profitable, certified laboratories, and rapid scheduling, Accredited Drug Testing ensures every alcohol screening method delivers defensible, coherent, and regulation-abiding results, supporting individuals and employers in maintaining security, assurance, and comprehensive statutory conformity.


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

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

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

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

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


Sources


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(800) 221-4291