12-Panel Hair Follicle Drug Test: How It Works | AMH Nationwide
How a 12-Panel Hair Follicle Drug Test Works for Reliable Results
The 12-panel hair follicle drug test how it works involves collecting a small hair sample, which is analyzed by national labs through initial screening and confirmatory testing. Every non-negative result undergoes Medical Review Officer evaluation. Call (877) 731-6362 to arrange testing.
How is the hair sample collected for a 12-panel hair follicle drug test?
The 12-panel hair follicle drug test how it works starts with collecting a small hair sample from the individual. Typically, about 100 strands of hair are cut close to the scalp, usually from the crown area. This sample length usually represents up to 90 days of drug use history.
The collection is performed at a designated site coordinated by AMH Nationwide. The collector ensures proper chain of custody and documents the sample collection. Hair samples are preferable for non-DOT regulated testing, as DOT requires urine testing.
Which labs analyze the 12-panel hair follicle drug test samples?
Samples collected for the 12-panel hair follicle drug test how it works are routed through a network of five national labs: Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox.
AMH Nationwide coordinates the lab order and directs the sample to the appropriate lab. These labs specialize in hair drug testing and follow strict protocols for analysis and reporting.
What steps do labs follow to analyze the hair follicle drug test?
The 12-panel hair follicle drug test how it works involves two main lab steps: initial immunoassay screening followed by confirmatory testing using gas chromatography-mass spectrometry (GC-MS) or liquid chromatography-tandem mass spectrometry (LC-MS/MS).
The screening step detects the possible presence of drugs or metabolites. Any non-negative screening results trigger confirmatory testing to rule out false positives and ensure specificity.
How are 12-panel hair follicle drug test results reviewed?
Every non-negative result from the 12-panel hair follicle drug test how it works is reviewed by a certified Medical Review Officer (MRO). The MRO examines the lab data and may contact the tested individual to verify legitimate medical explanations for any positives.
This review ensures accuracy and compliance with testing regulations before final reporting.
Arrange Your 12-Panel Hair Follicle Drug Test Today
Contact AMH Nationwide to schedule sample collection and lab testing. Call (877) 731-6362 for assistance.
What is the detection window for a 12-panel hair follicle drug test?
The 12-panel hair follicle drug test how it works detects drug use typically within the past 90 days. Hair grows approximately half an inch per month, and labs use a 1.5-inch hair sample segment to evaluate this period.
This method provides a longer detection window compared to urine or saliva tests.
How do you start a 12-panel hair follicle drug test with AMH Nationwide?
To initiate a 12-panel hair follicle drug test how it works with AMH Nationwide, the requester contacts AMH to place the lab order. AMH will then direct the individual to a nearby collection site.
AMH does not offer online ordering. For details and appointments, call (877) 731-6362.
Common Questions
The 12-panel test typically screens for amphetamines, cocaine, marijuana (THC), opiates, phencyclidine (PCP), benzodiazepines, barbiturates, methadone, propoxyphene, ecstasy (MDMA), oxycodone, and methamphetamine.
About 100 strands of hair are collected, usually cut close to the scalp from the crown. The sample length used is approximately 1.5 inches to cover a 90-day detection window.
Hair treatments like dyeing or bleaching may reduce the amount of drug detected but do not guarantee a negative result. Labs are experienced in handling treated hair samples.
No. DOT regulations require urine testing under a federally certified protocol. Hair follicle testing is used for non-DOT roles.
Results turnaround varies by lab but generally takes 3 to 5 business days after sample receipt.
A certified Medical Review Officer (MRO) reviews all non-negative results to verify findings and check for legitimate medical explanations.
Ready to get started?
AMH Nationwide provides the lab order and arranges collection nationwide. Every non-negative result reviewed by a certified Medical Review Officer. Call (877) 731-6362 or contact us.