Drug & Alcohol Testing Near Me - Havre De Grace, MD

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

40 Drug-Testing Centers in Havre De Grace

Minutes Away, Test Today

251 Lewis Lane, Ste 3040.73 miles

251 Lewis Lane, Ste 304
Havre De Grace, MD 21078

200 N Philadelphia Blvd Ste A4.49 miles

200 N Philadelphia Blvd Ste A
Aberdeen, MD 21001

104 E Cecil Ave8.83 miles

104 E Cecil Ave
North East, MD 21901

1200 Brass Mill Rd Ste C9.32 miles

1200 Brass Mill Rd Ste C
Belcamp, MD 21017

1321 Riverside Pkwy Ste A-29.67 miles

1321 Riverside Pkwy Ste A-2
Belcamp, MD 21017

49 Rock Springs Rd9.67 miles

49 Rock Springs Rd
Conowingo, MD 21918

1202 Alder Shot Ct12.25 miles

1202 Alder Shot Ct
Abingdon, MD 21009

2021a Emmorton Rd Ste 12212.90 miles

2021a Emmorton Rd Ste 122
Bel Air, MD 21015

2120 Emmorton Park Rd Ste E13.42 miles

2120 Emmorton Park Rd Ste E
Edgewood, MD 21040

620 W Macphail Rd Ste 103,13.81 miles

620 W Macphail Rd Ste 103,
Bel Air, MD 21014

123 Singerly Avenue,14.37 miles

123 Singerly Avenue,
Elkton, MD 21921

106 Bow St14.45 miles

106 Bow St
Elkton, MD 21921

300 Biddle Ave Ste 202,18.27 miles

300 Biddle Ave Ste 202,
Newark, DE 19702

2600 Glasgow Avenue, Suite 21418.79 miles

2600 Glasgow Avenue, Suite 214
Newark, DE 19702

124 Sleepy Hollow Dr Ste 20420.17 miles

124 Sleepy Hollow Dr Ste 204
Middletown, DE 19709

249 E Main Street,20.73 miles

249 E Main Street,
Newark, DE 19711

314 E Main St Ste 10520.88 miles

314 E Main St Ste 105
Newark, DE 19711

1c Chestnut Hill Plz21.02 miles

1c Chestnut Hill Plz
Newark, DE 19713

Ketley Professional Plaza - 11, Suite 20221.16 miles

Ketley Professional Plaza - 11, Suite 202
Middletown, DE 19709

1011 Baltimore Pike,, Suite 11221.69 miles

1011 Baltimore Pike,, Suite 112
West Grove, PA 19390

514 Washington Ave, Ste 422.66 miles

514 Washington Ave, Ste 4
Chestertown, MD 21620

4051 Ogletown Rd Ste 10222.68 miles

4051 Ogletown Rd Ste 102
Newark, DE 19713

4110 Ogletown Stanton Rd23.74 miles

4110 Ogletown Stanton Rd
Newark, DE 19713

4623 Ogletown Stanton Rd 10023.85 miles

4623 Ogletown Stanton Rd 100
Newark, DE 19713

A98 100 Omega Drive,24.19 miles

A98 100 Omega Drive,
Newark, DE 19713

15 Omega Dr Bldg K24.21 miles

15 Omega Dr Bldg K
Newark, DE 19713

9110 Philadelphia Rd Ste 212,24.66 miles

9110 Philadelphia Rd Ste 212,
Baltimore, MD 21237

9114 Philadelphia Rd Ste 10824.68 miles

9114 Philadelphia Rd Ste 108
Baltimore, MD 21237

6820 Hospital Dr, Ste 20124.73 miles

6820 Hospital Dr, Ste 201
Baltimore, MD 21237

5311 Limestone Rd, Suite 20225.14 miles

5311 Limestone Rd, Suite 202
Wilmington, DE 19808

202 Lantana Dr25.54 miles

202 Lantana Dr
Hockessin, DE 19707

3105 Limestone Rd Ste 10525.81 miles

3105 Limestone Rd Ste 105
Wilmington, DE 19808

1941 Limestone Rd Ste 10926.17 miles

1941 Limestone Rd Ste 109
Wilmington, DE 19808

14237 Jarrettsville Pike Choice One Uc Phoenix26.74 miles

14237 Jarrettsville Pike Choice One Uc Phoenix
Phoenix, MD 21131

3926 Kirkwood Hwy26.77 miles

3926 Kirkwood Hwy
Wilmington, DE 19808

102 Friends Meeting House Rd27.26 miles

102 Friends Meeting House Rd
Cochranville, PA 19330

8101 Pulaski Hwy Ste H27.30 miles

8101 Pulaski Hwy Ste H
Baltimore, MD 21237

8600 Lasalle Rd York Building, Ste 51527.38 miles

8600 Lasalle Rd York Building, Ste 515
Towson, MD 21286

830 W Cypress St27.87 miles

830 W Cypress St
Kennett Square, PA 19348

129 N Dupont Hwy27.96 miles

129 N Dupont Hwy
New Castle, DE 19720

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 Havre de Grace, MD. 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 Havre de Grace, MD state regulations. For a streamlined experience, contact us at (800) 221-4291 or conveniently schedule online anytime to locate an accessible testing center in Havre de Grace, MD 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 testing reigns as the most popular screening technique throughout Havre de Grace, MD, and indeed, the nation. Serving as the exclusive method sanctioned for DOT-regulated drug testing, this test is conducted in accordance with 49 CFR Part 40 guidelines. By examining a urine sample, this method detects recent consumption of drugs, drug metabolites, or alcohol biomarkers, ensuring a thorough and confidential screening while delivering legally defensible results that are crucial for employers, individuals, and court-ordered programs.

Testing Methods & Collection Process

1. Donor Identity Verification

The procedure commences with the donor presenting an authorized government identification and signing the necessary chain-of-custody form.

2. Secure Collection Environment

Specimens are collected in a controlled setting, securing all water sources and sometimes dying the toilet water, to mitigate any tampering risks and uphold the sample's integrity.

3. Chain of Custody Documentation

A Chain of Custody Form (CCF) is utilized, following the specimen from its collection to the laboratory, ensuring the test's credibility and defensibility.

4. Temperature & Validity Checks

Post-collection, the collector evaluates the specimen's temperature and appearance. Laboratory analyses include validity testing through parameters such as creatinine levels, pH, specific gravity, and adulterant screenings.

5. DOT Split Specimen

For DOT tests, the specimen is divided into Bottle A for primary screening and Bottle B reserved for retesting if initial results are contested. Non-DOT tests generally collect a single sample.

6. Laboratory Screening & Confirmation

  • Initial Immunoassay Screen: Determines the presence of drug classes.
  • Confirmation Testing: Conducts GC/MS or LC/MS analyses for precise identification of specific drugs/metabolites.

7. MRO Verification

A qualified Medical Review Officer (MRO) evaluates any non-negative results, confirming them before releasing the official results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results are available the same day, while positives are sent for laboratory confirmation (24-72 hours).
  • Lab-Based Urine Test: Negative results generally take 24-48 hours.
  • DOT Drug Test: Process takes 1-3 business days, contingent upon MRO review and donor contact.
  • Urine EtG Alcohol Test: Typically concludes in 24-48 hours.

Benefits of Urine Drug & Alcohol Testing

  • DOT compliance: The only recognized method meeting regulatory standards for DOT-regulated testing.
  • Optimal for identifying recent use, functioning well in workplaces and post-accident cases.
  • A budget-friendly, rapid-turnaround testing solution.
  • Highly credible, widely accepted by courts, government agencies, and employers.
  • Immediate testing possibilities are accessible for swift screening.
  • Exceedingly accurate with state-of-the-art confirmation testing technology.

Limitations of Urine Drug & Alcohol Testing

Despite some limitations, urine drug testing remains a practical, widely-utilized method for thorough screening in Havre de Grace, MD and nationwide.

How Hair Drug Testing Works

Employing a meticulous laboratory approach, hair drug and alcohol testing offers superior reliability when establishing long-term substance use trends. Unlike urine testing, which only spotlights immediate drug or alcohol use, hair testing scrutinizes the embedded metabolites in hair strands, granting a noteworthy 90-day observation window. This attribute makes it a valued choice in Havre de Grace, MD for workplace compliance initiatives, legal proceedings, child custody evaluations, and any circumstance demanding an extended substance-use review.

Testing Methods & Collection Process

1. Donor Identity Verification

Initiation involves the donor providing a government-issued ID, subsequently completing necessary consent and chain-of-custody documentation to uphold correct record-keeping standards.

2. Hair Collection Procedure

In this step, a trained collector procures a minor hair sample typically involving 100-120 strands trimmed close to the scalp. The crown area is preferred; yet, if head hair is scarce, body hair represents a feasible alternative. This quick, painless procedure is conducted under direct supervision.

3. Chain of Custody Documentation

The collection proceeds with a Hair Drug Test Custody and Control Form, comprehensively documenting the collection, sealing, and transmission processes, preserving legal defensibility throughout.

4. Laboratory Preparation & Analysis

Within the lab, the hair samples undergo a precise and multi-staged process:

  • Decontamination: Hair is washed to eradicate external contaminants such as smoke.
  • Cutting/Grinding: To ready samples for extraction, hair is segmented or finely ground.
  • Extraction: Specific drug metabolites are chemically extracted from within the hair matrix.

For intensified scrutiny, the sample then undergoes meticulous laboratory testing:

  • Initial Screening: Immunoassay analysis to identify drug classes.
  • Confirmation Testing: GC/MS or LC/MS technologies are employed to pinpoint actual drugs and metabolites with scientific precision.

5. Metabolite Detection

While hair grows, drug metabolites are incorporated into the shaft, preserving a durable record of substance use. Consequently, hair testing resists attempts at cheating or adulteration.

6. MRO Review

A certified Medical Review Officer is responsible for evaluating any non-negative outcomes to verify accuracy, potential medical reasons, and releases finalized results.

Timeframe for Hair Test Results

  • Standard Hair Test: 2-3 business days post-sample receipt by the laboratory.
  • Complex Panels or Alcohol Testing (EtG/FAEE): Typically 3-5 business days

Given the comprehensive laboratory processes, hair testing results take slightly longer to return than urine tests, yet they offer unmatched consistency in detection.

Benefits of Hair Drug & Alcohol Testing

  • Provides a 90-day substance use window, ideal for reviewing prolonged patterns.
  • Extremely resistant to deception or adulteration attempts.
  • Reveals patterns regarding habitual, sporadic, or ceased drug use.
  • Can be pivotal in legal disputes such as court trials, child custody, and adherence to compliance programs.
  • Easily detectable using painless and expedient collection techniques.
  • Verification assured through GC/MS or LC/MS confirmation technologies.

Limitations of Hair Drug & Alcohol Testing

  • Insufficient detection for very recent drug use cases (first 5-7 days post-consumption).
  • More costly than alternative testing procedures like urine tests.
  • Exact detection time frame is not possible with body hair.
  • The assimilation of certain substances into hair can vary based on hair type and growth speed.
  • Not sanctioned for use in DOT testing applications.

Despite some drawbacks, hair testing remains a top-notch choice for detecting extended substance use and is extensively utilized by employers, attorneys, and individuals seeking foolproof results that are difficult to manipulate.

Alcohol & Drug Testing-How Each Method Works

In Havre de Grace, MD, Accredited Drug Testing offers an extensive selection of alcohol and drug screening options tailored to align with employer, DOT, judicial, and personal requirements. Recognizing each method's unique qualities provides clarity in choosing the best fit, offering accurate, dependable results fully compliant with both federal and Havre de Grace, MD state mandates. Our vast network of certified facilities, coupled with skilled Medical Review Officers, highlights our dedication to professionalism, ensuring precise testing results every time.

Alcohol Urine Drug Test

An alcohol urine test uncovers recent alcohol intake by revealing ethanol metabolites in urine samples. Though it estimates recent consumption within hours, rather than immediate impact, it's widely applied in workplace, legal, and post-incident scenarios as an effective, budget-friendly option.

ETG Alcohol Test (Urine)

The EtG urine test is engineered to identify alcohol use for up to 80 hours post-ingestion through its sensitivity to ethanol's direct byproducts. Used broadly in legal, rehab, and compliance monitoring, it surpasses conventional urine alcohol testing in detection duration, excelling in reliability and precision.

Breath Alcohol Test

Through the use of DOT-endorsed devices, a breath alcohol test assesses current impairment by measuring alcohol vapor from deep lung breath, delivering immediate and legitimate results. Essential for DOT-dependent employees and frequently employed for workplace protocols or under suspicious circumstances.

Blood Alcohol Test

A blood alcohol test precisely quantifies ethanol concentration in blood, offering the highest accuracy level in detecting impairment, pivotal in DUI investigations and legal probes where precise scrutiny is crucial.

PEth Alcohol Blood Test

The PEth blood test serves as a discerning measure for chronic alcohol consumption, identifiable via unique biomarkers within red blood cells. Effective for monitoring persistent alcohol use over weeks, it is selectively employed in family law, treatment facilities, and safety-sensitive sectors.

ETG Alcohol Test (Hair)

An EtG hair test encompasses a 90-day detection span, evaluating alcohol use over prolonged durations through hair shaft metabolites. Favorable for legal and custody proceedings, it remains obstinately resistant to short-term abstinence tactics due to its intrinsic thematically.

Through knowledgeable direction, nationally recognized labs, and prompt arrangement, Accredited Drug Testing ensures every screening method furnishes appropriate, clear-cut, and regulatory-conforming outputs, aiding individuals and employers in maintaining compliance, security, and informed awareness.


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

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

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

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024


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(800) 221-4291