Located in South Gate, California, Accredited Drug Testing offers comprehensive hair follicle drug testing. Whether you require a drug or alcohol hair test, our centers nationwide specialize in these tests. Typically, 1.5 to 2 inches of hair from your crown or body is used. Our tests can screen for drugs, alcohol/ETG, and other specialized options.
There has been a growing trend towards hair follicle drug tests in recent years. Employers, courts, and substance abuse specialists often prefer them over standard urine tests. Hair tests are favored by organizations with strict drug policies, the judiciary, and probation services. Their main advantage is detecting drug use for up to 90 days, with observed sample collection ensuring accuracy. Nonetheless, urine tests remain the most precise for recent usage within a 5-day window.
* 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 has emerged as a robust means for uncovering drug and alcohol consumption. Hair captures a detailed history of alcohol and drugs by embedding biomarkers within the hair strand's fibers. When taken close to the scalp, hair can offer up to a three-month detection duration for alcohol and drugs. Hair collection is straightforward, hard to tamper with, and simple to transport.
A 1.5-inch portion of roughly 200 hair strands (about the thickness of a #2 pencil) nearest the scalp will provide 100mg of hair, which is the ideal quantity for analysis and validation. For EtG, supplemental, and/or evaluations exceeding 10 panels, 150mg of the specimen is advised. Measuring the specimen with a jeweler’s scale is suggested. If scalp hair is not present, an equivalent amount of body hair may be used. When we mention head hair, we mean scalp hair alone. Body hair covers all other hair types (facial, axillary, etc.).
Process Overview
The main steps in lab handling of a drug test result are Accessioning, Screening, Extraction, and Confirmation.
Accessioning entails the primary integration of a sample into a lab’s system. This encompasses ensuring the sample was securely sealed and transported, giving it a unique LAN (Laboratory Accessioning Number), and finalizing any remaining data entry absent in an electronic custody chain system.
Screening entails a preliminary spot test for drug abuse. Although Screening is an economical method to eliminate drug usage in most samples, a positive result needs confirmation for legal admissibility. Samples presumptively positive in Screening require a follow-up verification.
If a sample yields a presumptively positive outcome during Screening, more hair is extracted from the original specimen and prepared for Extraction. At this step, drugs are derived from hair at much lower concentrations compared to alternative methods (e.g., urine or saliva), making hair drug screening the most challenging to execute.
Verification of any positive screening result is undertaken using GC/MS, GC/MS/MS, or LC/MS/MS. All samples initially positive are cleansed before confirmation if necessary. The complete lab process from Accessioning to Confirmation is assessed under both the CAP (College of American Pathologists) Hair classification and the ISO / IEC 17025 accreditation.
Benefits of hair drug testing:
Constraints:
Note: While frequently dubbed "hair follicle tests," the test evaluates the hair strand, not the follicle beneath the scalp.
Why Hair Follicle Testing Beats Urine Testing in South Gate, CA
Extended Detection Window in South Gate, CA
Tamper-Resistant Testing Method in South Gate, CA
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Simple, Confidential Process in South Gate, CA
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