Accredited Drug Testing offers comprehensive hair follicle drug tests in Prospect, Maryland. Should you require a hair drug or alcohol assessment, we are experts in hair testing with centers across all cities nationwide, ready to conduct hair tests. Typically, you need between 1.5 to 2 inches of crown or body hair for testing. Our hair analysis can identify drugs, alcohol/ETG, among other specialized testing options.
In recent times, hair follicle drug tests have gained prominence in drug screening methods. Employers, courts, and substance abuse professionals increasingly prefer hair tests over standard urine tests. Hair follicle drug tests are favored by zero-tolerance employers, the legal system, and probation overseers. The primary advantage is a longer detection history of drug use—up to 90 days—collected under observation and nearly impossible to manipulate. For recent (last 5 days) drug use, urine tests maintain superior accuracy.
* 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.
Hair testing is recognized as an effective method for identifying the use of drugs and alcohol. Hair captures a long-term record of substances by trapping biomarkers within the strands as they grow. When taken from near the scalp, hair offers a detection window of up to roughly three months for alcohol and various drugs. Hair collection is straightforward, hard to tamper with, and simple to transport.
A 1.5-inch portion from around 200 strands closest to the scalp will yield approximately 100mg of hair, ideal for screening and confirmation. For tests such as EtG, add-ons, or more than 10 panels, a 150mg sample is preferred. We advise measuring the specimen with a jeweler's scale. If scalp hair cannot be obtained, an equivalent amount of body hair is suitable. By head hair, we mean only the scalp hair. Body hair encompasses all other types (facial, axillary, etc.).
Process Overview
Laboratory processing of a drug test comprises Accessioning, Screening, Extraction, and Confirmation.
Accessioning entails the initial handling of a sample within a lab’s framework. This includes ensuring the sample’s seal and shipment were intact, issuing a random LAN (Laboratory Accessioning Number), and fulfilling any remaining data entry not managed by an electronic chain of custody system.
Screening entails a quick preliminary check for drugs of abuse. While cost-effective in ruling out drug usage for most samples, a positive screen must be verified for court admissibility. Any samples testing positive in Screening must undergo secondary confirmation.
If Screening tests result in a presumptive positive, additional hair is extracted from the initial sample for Extraction. In Extraction, drugs are removed from the hair at lower concentrations than with other methods (e.g., urine or oral fluid), making hair drug testing the most challenging to conduct.
Confirmation of positive Screening results occurs using GC/MS, GC/MS/MS, or LC/MS/MS. All positive samples are thoroughly washed before confirmation if necessary. The laboratory process from Accessioning to Confirmation is reviewed against both the CAP (College of American Pathologists) Hair accreditation and ISO / IEC 17025 standards.
Advantages of hair drug testing:
Limitations:
Note: Although often called "hair follicle tests", the examination is on the hair strand, not the follicle itself under the scalp.
Why Hair Follicle Testing Beats Urine Testing in Prospect, MD centers around its
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Convenient Nationwide Testing Locations and Local Locations in Prospect, MD make hair follicle testing accessible. Our wide network of centers
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Compliance and Peace of Mind for Employers in Prospect, MD is achieved through hair follicle assessments. By employing this method, employers can
