Hair Drug Testing Locations - Knoxville, IA

(800) 221-4291

Schedule your Hair Drug Test

Employment, Court Ordered, Probation, Family

Accredited Drug Testing provides comprehensive hair follicle drug screenings in Knoxville, Iowa. If a hair drug or alcohol test is needed, trust Accredited Drug Testing with our expert hair testing services available nationwide, including powerful hair test capabilities in every city. Typically, the hair must be between 1.5 to 2 inches from the head or body. Hair analyses can detect drugs, alcohol/ETG, or other custom tests.

In recent times, drug testing often incorporates a hair follicle test. Many businesses, judicial systems, and Substance Abuse professionals favor hair drug tests over standard urine assessments. Employers with strict drug policies, courts, and individuals on probation utilize hair follicle tests. The key advantage is a significantly longer drug use detection window of up to 90 days, observed during collection, and nearly impossible to manipulate. Nevertheless, urine tests remain precise for recently used substances within 5 days.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

When you're searching for hair drug testing near me or hair drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

38 Hair Drug Testing Centers in Knoxville

1002 S Lincoln St0.70 miles

1002 S Lincoln St
Knoxville, IA 50138

604 Liberty St Ste 22711.67 miles

604 Liberty St Ste 227
Pella, IA 50219

404 Jefferson St12.06 miles

404 Jefferson St
Pella, IA 50219

108 N Jefferson Way23.46 miles

108 N Jefferson Way
Indianola, IA 50125

410 N 12th St Ste 30024.89 miles

410 N 12th St Ste 300
Oskaloosa, IA 52577

1229 C Ave E24.90 miles

1229 C Ave E
Oskaloosa, IA 52577

6580 165th St25.05 miles

6580 165th St
Albia, IA 52531

300 N 4th Ave E Ste 20026.53 miles

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

107 N 3rd St27.03 miles

107 N 3rd St
Eddyville, IA 52553

3770 8th St Sw29.80 miles

3770 8th St Sw
Altoona, IA 50009

2100 Dixon St Ste E31.98 miles

2100 Dixon St Ste E
Des Moines, IA 50316

1301 Pennsylvania Ave Ste 41632.32 miles

1301 Pennsylvania Ave Ste 416
Des Moines, IA 50316

1200 Pleasant St33.02 miles

1200 Pleasant St
Des Moines, IA 50309

1650 E Madison Ave33.13 miles

1650 E Madison Ave
Des Moines, IA 50313

2417 University Ave34.01 miles

2417 University Ave
Des Moines, IA 50311

2340 Euclid Ave35.00 miles

2340 Euclid Ave
Des Moines, IA 50310

210 4th Ave35.03 miles

210 4th Ave
Grinnell, IA 50112

1233 8th St36.32 miles

1233 8th St
West Des Moines, IA 50265

1810 Sw White Birch Circle Ste 11137.36 miles

1810 Sw White Birch Circle Ste 111
Ankeny, IA 50023

1824 Sw White Birch Cir37.36 miles

1824 Sw White Birch Cir
Ankeny, IA 50023

5911 Meredith Dr Ste D37.82 miles

5911 Meredith Dr Ste D
Des Moines, IA 50322

2700 Westown Pkwy Ste 27037.84 miles

2700 Westown Pkwy Ste 270
West Des Moines, IA 50266

640 S 50th St Unit 110038.06 miles

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

5731 Greendale Rd Ste 10038.64 miles

5731 Greendale Rd Ste 100
Johnston, IA 50131

800 S Fillmore St39.80 miles

800 S Fillmore St
Osceola, IA 50213

12871 University Ave Ste 13040.38 miles

12871 University Ave Ste 130
Clive, IA 50325

417 S East St40.52 miles

417 S East St
Corydon, IA 50060

417 S East St Ste 10040.52 miles

417 S East St Ste 100
Corydon, IA 50060

6000 University Ave Ste 12440.61 miles

6000 University Ave Ste 124
West Des Moines, IA 50266

11144 Aurora Ave40.68 miles

11144 Aurora Ave
Urbandale, IA 50322

11208 Aurora Ave Bldg 1240.68 miles

11208 Aurora Ave Bldg 12
Urbandale, IA 50322

11319 Aurora Ave,40.84 miles

11319 Aurora Ave,
Urbandale, IA 50322

1317 N Court St41.48 miles

1317 N Court St
Ottumwa, IA 52501

1114 N Haynes Ave41.96 miles

1114 N Haynes Ave
Centerville, IA 52544

236 W Maple St42.44 miles

236 W Maple St
Centerville, IA 52544

1001 Pennsylvania Ave42.54 miles

1001 Pennsylvania Ave
Ottumwa, IA 52501

1005 Pennsylvania Ave Ste 10242.55 miles

1005 Pennsylvania Ave Ste 102
Ottumwa, IA 52501

1 Saint Joseph Dr43.66 miles

1 Saint Joseph Dr
Centerville, IA 52544
Experience Matters

What it is, How it works

Hair analysis is now recognized as an effective method for identifying drug and alcohol consumption. Hair retains a historical record of alcohol and drug use by incorporating biomarkers into the strands as they grow. Close-to-scalp samples can reveal drug and alcohol use over a period of up to roughly 90 days. It's straightforward to collect hair, less prone to tampering, and convenient to transport.

A sample that is 1.5 inches in length with about 200 strands (similar in size to a #2 pencil) when taken from the scalp yields 100mg of hair, which is ideal for testing and confirmation. For EtG, additional tests, or those with over 10 panels, a recommended 150mg of hair should be collected. It's advised to weigh the specimen using a jeweler’s scale. If scalp hair isn't accessible, an equivalent amount of body hair can be used. The term head hair refers specifically to scalp hair, while body hair encompasses all other hair types (facial, axillary, etc.).

Process Overview

The laboratory processing of a drug test encompasses four crucial steps: Accessioning, Screening, Extraction, and Confirmation.

Accessioning is the initial stage where a sample is systematically processed into the lab's framework. This step ensures the sample was correctly sealed and dispatched, assigns a unique LAN (Laboratory Accessioning Number), and completes any required data input not fulfilled by an electronic chain of custody system.

Screening performs a preliminary assessment for substances of abuse. Although this is a cost-efficient method for eliminating drug use in most samples, a positive result must be affirmatively confirmed to be court-admissible. Samples that test positive presumptively during Screening necessitate a follow-up confirmation.

Should a sample indicate a presumptive positive in Screening, further hair is extracted from the original sample and processed for Extraction. During this phase, drugs are extracted from the hair at far lower concentrations compared to other methods (e.g., urine or oral fluid), underscoring the complexity of hair drug screening.

An affirmative Screening result requires Confirmation through GC/MS, GC/MS/MS, or LC/MS/MS. Samples testing positive presumptively undergo washing as needed before Confirmation. The entire procedure from Accessioning to Confirmation is scrutinized under both the CAP (College of American Pathologists) Hair designation and ISO/IEC 17025 accreditation standards.

Advantages of hair drug testing:

  • Extended detection range: Hair drug tests can identify drug use for up to 90 days, opposed to urine tests which offer a shorter detection period.
  • Challenging to falsify: Cheating a hair drug test is very difficult, thus ensuring more reliable results.
  • Offers retrospective data: It illustrates a pattern of drug use over time, not just recent consumption.

Limitations:

  • Incapable of detecting recent usage: It generally takes 5-7 days for drugs to become detectable in hair.
  • Expense: Hair drug tests tend to be more costly compared to other drug testing approaches.
  • Result fluctuations: Elements like hair color and individual hair growth differences can influence the levels of drug metabolites present in hair.

Note: Despite the common term "hair follicle tests", the actual test focuses on analyzing the hair strand, not the follicle beneath the scalp.

Why Hair Follicle Testing Beats Urine Testing

Why Hair Follicle Testing Beats Urine Testing in Knoxville, IA
Hair follicle testing surpasses urine tests in detection accuracy and reliability. The follicle test offers a vast window, revealing substance use over weeks and months, while urine tests only cover recent days. This comprehensive scope is crucial for employers in Knoxville, IA, seeking precise and dependable substance use evaluations.

Extended Detection Window

Extended Detection Window in Knoxville, IA
Detect drug use across a wider timeframe with hair follicle tests, covering up to 90 days. Employers in Knoxville, IA, gain a thorough understanding of a candidate's or employee's substance history, ensuring informed decision-making based on a broader detection period.

Tamper-Resistant Testing Method

Tamper-Resistant Testing Method in Knoxville, IA
The robustness of hair follicle tests significantly reduces sample tampering risks. These tests provide reliable results that cannot be easily adulterated, assuring Knoxville, IA, stakeholders of the accuracy and integrity of test outcomes, which are critical for informed judgments.

Convenient Nationwide Locations

Convenient Nationwide Testing Locations and Local Locations in Knoxville, IA
Our extensive network of testing centers across the nation, including Knoxville, IA, ensures easy, hassle-free access. The seamless experience of quick testing services is at your disposal, emphasizing convenience and efficiency for all testing needs.

Simple, Confidential Process

Simple, Confidential Process in Knoxville, IA
The straightforward and private procedure of obtaining and performing hair follicle tests addresses privacy concerns. Knoxville, IA, residents benefit from a seamless system that ensures ease of use and confidentiality from order to result retrieval.

Affordable, Fast Turnaround

Affordable Pricing and Fast Turnaround in Knoxville, IA
Offering competitive pricing and rapid result delivery, the value we provide is unmatched. Companies in Knoxville, IA, enjoy our affordable services that meet diverse needs, ensuring timely and cost-effective solutions for all testing demands.

Fast, Accurate, and Reliable Results

Fast, Accurate, and Reliable Results in Knoxville, IA
With swift and accurate outcomes, hair follicle drug tests outshine others. Knoxville, IA's assessments guarantee high precision, quickly uncovering substance use. Speed and precision tailored to meet urgent testing needs make this method a reliable choice for accurate detection.

Compliance and Peace of Mind for Employers

Compliance and Peace of Mind for Employers in Knoxville, IA
Ensure your workplace remains a drug-free environment by utilizing hair follicle testing. This method aids Knoxville, IA, employers with policy compliance, lessens legal liabilities, and promotes a safer workplace, providing peace of mind in corporate settings.

(800) 221-4291