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7-Panel Hair Follicle Drug Test: Complete Guide | AMH Nationwide

Comprehensive 7-Panel Hair Follicle Drug Test Guide with Extended Detection

The 7-panel hair follicle drug test guide explains a broad-spectrum drug screening method detecting seven drug classes through hair analysis. It covers the detection window, ordering entities, and collection process. For precise testing routed through five national lab networks, call (877) 731-6362.

OVERVIEW

What is a 7-panel hair follicle drug test?

A 7-panel hair follicle drug test is a method of drug screening that detects seven categories of drugs by analyzing a small sample of hair. This test provides a long detection window by identifying drug metabolites embedded in hair strands. It is often used for employment, legal, or forensic purposes, offering a more extended detection period than urine tests.

DRUGS TESTED

Which drugs are included in the 7-panel hair follicle drug test?

The 7-panel hair follicle drug test screens for the following drug classes:

This panel covers commonly abused substances, ensuring a comprehensive overview of recent drug use.

Amphetamines (including methamphetamine)
Cocaine
Marijuana (THC)
Opiates (codeine, morphine, heroin)
Phencyclidine (PCP)
Benzodiazepines
Barbiturates
WHO ORDERS

Who typically orders a 7-panel hair follicle drug test?

Employers, legal entities, and rehabilitation programs commonly order the 7-panel hair follicle drug test to verify drug use history over several months. It is preferred in situations requiring a longer detection window than urine tests can provide. DOT-regulated employers do not use hair tests for safety-sensitive roles; hair testing is for non-DOT positions.

DETECTION WINDOW

What is the detection window for a 7-panel hair follicle drug test?

The 7-panel hair follicle drug test typically detects drug use within the previous 90 days. Hair grows approximately 0.5 inches per month, and the standard 1.5-inch sample represents about three months of drug history. This extended detection period makes hair follicle testing valuable for assessing long-term drug use.

Ready to Schedule Your 7-Panel Hair Follicle Drug Test?

Contact AMH Nationwide by calling (877) 731-6362 to receive a lab order and find a collection site near you.

COLLECTION PROCESS

How is the 7-panel hair follicle drug test collected?

Collection involves cutting a small sample of hair close to the scalp, usually from the crown area. The sample size is about 1.5 inches in length and roughly the diameter of a pencil. AMH Nationwide directs the requester to a certified collection site within one of five national lab networks: Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox.

The collection process is non-invasive, and the sample is sent to the lab for analysis. Every non-negative result undergoes review by a certified Medical Review Officer to confirm findings.

GETTING STARTED

How do I get started with a 7-panel hair follicle drug test?

To begin testing, the requester contacts AMH Nationwide to obtain a lab order. There is no option for online ordering. Once the lab order is secured, AMH directs the individual to a nearby collection site within the five national lab networks.

Pricing varies based on the specific panel and detection window requirements. For detailed information and to schedule a test, call (877) 731-6362.

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AMH Nationwide Customer Service

AMH Nationwide is BBB A+ accredited and routes every order through Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, or ExperTox, all of which use multiple lab certification agencies and standards such as SAMHSA-aligned laboratory protocols, the ANSI National Accreditation Board for forensic testing and calibration, the College of American Pathologists (CAP), and Clinical Laboratory Improvement Amendments (CLIA). Every non-negative screen is reviewed by a certified Medical Review Officer as part of standard processing before a result is released, and chain-of-custody documentation is maintained on every collection. This page does not constitute medical or legal advice.

Last updated: July 2026
Frequently Asked Questions

Common Questions

Yes. Hair follicle testing can detect drug use up to 90 days prior, whereas urine tests typically detect use within a few days to a week.

No. DOT-regulated safety-sensitive testing requires federally certified urine protocols under 49 CFR Part 40. Hair follicle tests are used for non-DOT roles.

Every non-negative screen is reviewed by a certified Medical Review Officer to verify the result and rule out false positives.

A sample about 1.5 inches long and the diameter of a pencil is collected, typically from the crown of the head.

No. AMH Nationwide does not offer online ordering. You must call (877) 731-6362 to obtain a lab order and collection site information.

Testing is routed through five national lab networks: Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox.

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.

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