--- title: "7-Panel Hair Follicle Drug Test: Which Test Do I Need | AMH Nationwide" description: "Learn when the 7-panel hair follicle drug test which test is ideal for long-term drug detection. Call (877) 731-6362 for lab access and pricing." author: "AMH Nationwide" date: "2026-08-27" tags: ["7-panel hair follicle drug test which test"] canonical: "https://amhnationwide.com/7-panel-hair-follicle-drug-test-which-test/" last_updated: "2026-08-27" --- # 7-Panel Hair Follicle Drug Test: Which Test Do I Need | AMH Nationwide **By AMH Nationwide** | August 27, 2026 Learn when the 7-panel hair follicle drug test which test is ideal for long-term drug detection. Call (877) 731-6362 for lab access and pricing. --- The 7-panel hair follicle drug test which test detects drug use over a 90-day period through hair analysis. It is best suited for employers, courts, and probation offices requiring extended detection windows. This test uses five national lab networks including Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox. Call (877) 731-6362 to schedule your lab visit. TEST OVERVIEW ## What is the 7-panel hair follicle drug test which test? The 7-panel hair follicle drug test which test analyzes a small hair sample to detect seven common drug classes used within approximately the last 90 days. This method identifies drug metabolites embedded in the hair shaft, providing a longer [detection window](https://amhnationwide.com/hair-follicle-drug-test-detection-window/) than [urine](https://amhnationwide.com/urine-drug-testing/) or saliva tests. It screens for drugs such as marijuana, cocaine, opiates, amphetamines, methamphetamine, PCP, and MDMA. Collection is done at authorized sites and routed through one of five national lab networks: [Quest Diagnostics](https://www.questdiagnostics.com/), [LabCorp](https://www.labcorp.com/), Omega Labs, United States Drug Testing Labs, or ExperTox. USE CASES ## When is the 7-panel hair follicle drug test which test the right choice? The 7-panel hair follicle drug test which test is ideal when an extended detection period is required, typically up to 90 days. It is commonly used by employers conducting [pre-employment](https://amhnationwide.com/pre-employment-hair-testing/) or random testing where long-term drug use history is relevant. Courts and [probation](https://amhnationwide.com/hair-follicle-drug-test-probation/) officers also use this test to monitor compliance over months, as it is more difficult to adulterate than urine tests. For personal testing, it offers a comprehensive look at drug use patterns rather than recent use. Employers: Long-term screening for workplace safety Courts and probation: Monitoring compliance over months Personal: Understanding extended drug use history Not suitable for DOT-regulated safety-sensitive roles requiring federally certified urine protocols COMPARISON ## How does the 7-panel hair follicle drug test which test compare to urine or saliva tests? The 7-panel hair follicle drug test which test offers a detection window of up to 90 days, significantly longer than urine (1-4 days) or saliva (up to 48 hours). Hair testing is less susceptible to adulteration and substitution. However, urine tests are required for DOT-regulated safety-sensitive employee testing due to federal guidelines. Saliva tests provide rapid results but only detect very recent use. | Test Type | Detection Window | | --- | --- | | 7-panel hair follicle drug test | Up to 90 days | | Urine drug test | 1 to 4 days | | Saliva drug test | Up to 48 hours | The choice depends on the regulatory requirements and the detection window needed. LAB PROCESS ## How is the 7-panel hair follicle drug test which test processed? After collection at a designated site, the hair sample is sent to one of five national lab networks: Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, or ExperTox. The labs conduct immunoassay screening followed by confirmatory testing if necessary. Every non-negative result is reviewed by a certified Medical Review Officer to ensure accuracy and interpretation within medical context. ## Ready to Schedule a 7-Panel Hair Follicle Drug Test? Call (877) 731-6362 to receive a lab order and find a collection site near you. Our staff will guide you through the process. [Call (877) 731-6362](tel:+18777316362)[Contact Us](https://amhnationwide.com/contact-us/) ORDERING ## How do I get a 7-panel hair follicle drug test which test? AMH provides the lab order and directs you to a collection site near you. There is no online ordering option. To start, call (877) 731-6362 to discuss your needs and receive a lab location referral. Pricing varies depending on the test panel and detection window. Contact us for a detailed quote. LIMITATIONS ## What are the limitations of the 7-panel hair follicle drug test which test? The 7-panel hair follicle drug test does not detect drug use within the past 7 days due to the time it takes for hair to grow above the scalp. It is not accepted for DOT safety-sensitive testing, which requires federally certified urine testing protocols. Hair color, cosmetic treatments, and hair length can influence results, and some drugs may not be detected if use was sporadic or minimal. AMH Reviewed & Maintained By 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](https://www.samhsa.gov/workplace/drug-testing)-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 You May Also Need [Nail Drug TestingNo head or body hair available? A 5-panel fingernail test covers a similar look-back window.Learn more →](https://amhnationwide.com/5-panel-fingernail-drug-test/)[ChildGuard: Environmental ExposureConcerned about a child or loved one? ChildGuard screens for exposure to drugs in their environment.Learn more →](https://amhnationwide.com/5-panel-hair-drug-test-environmental-exposure-childguard/)[Shorten the Detection WindowShortened options like 30 and 60 day hair panels are also available, useful when a urine test’s 1-3 day window is too short.Learn more →](https://amhnationwide.com/30-day-hair-drug-test/)[Hair ETG Alcohol TestAlso need alcohol testing? The hair ETG test screens for alcohol use, and can be added to the same collection.Learn more →](https://amhnationwide.com/etg-and-peth/) Frequently Asked Questions ## Common Questions The test screens for marijuana, cocaine, opiates, amphetamines, methamphetamine, PCP, and MDMA. It detects drug use for up to 90 days prior to collection, depending on hair length and growth. No, DOT-regulated safety-sensitive testing requires federally certified urine testing under [49 CFR Part 40](https://www.transportation.gov/odapc/part40). No, AMH does not provide online ordering. You must call (877) 731-6362 to obtain a lab order and collection site referral. All non-negative screens are reviewed by a certified Medical Review Officer who evaluates the results for accuracy and medical explanations. Pricing varies based on the test panel and detection window. Contact us at (877) 731-6362 for a personalized quote. Sources • [SAMHSA – Mandatory Guidelines for Federal Workplace Drug Testing Programs](https://www.samhsa.gov/workplace/drug-testing) • [U.S. DOT – 49 CFR Part 40 – Procedures for Transportation Workplace Drug and Alcohol Testing Programs](https://www.transportation.gov/odapc/part40) • [CDC – National Center for Health Statistics – Drug Use FastStats](https://www.cdc.gov/nchs/fastats/drug-use.htm) • [Quest Diagnostics – Employer Solutions, Hair Testing Methodology](https://www.questdiagnostics.com/) • [LabCorp – Occupational Testing Services](https://www.labcorp.com/) ## 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. [Call (877) 731-6362](tel:+18777316362)[Contact Us](https://amhnationwide.com/contact-us/) --- **Need a drug, alcohol, HIV or STD test?** AMH Nationwide is a national lab testing agency operating since 2004, with more than 20,000 collection sites across the United States. Hair, urine, fingernail and blood testing, panels from 5 through 19, for individuals and employers. - Call: (877) 731-6377 - Find a collection site: https://amhnationwide.com/locations/ - Full page: https://amhnationwide.com/7-panel-hair-follicle-drug-test-which-test/