--- title: "9-Month Hair Drug Test" description: "Find 9-month hair drug testing near you with AMH Nationwide. Access 20,000+ collection sites and certified MRO review. Call us now at (877) 731-6362." author: "AMH Nationwide" date: "2026-08-20" tags: ["9 panel drug test near me"] canonical: "https://amhnationwide.com/9-month-hair-drug-test/" last_updated: "2026-08-26" --- # 9-Month Hair Drug Test **By AMH Nationwide** | August 20, 2026 Find 9-month hair drug testing near you with AMH Nationwide. Access 20,000+ collection sites and certified MRO review. Call us now at (877) 731-6362. --- The 9-month hair drug test detects drug use over an extended period by analyzing a longer hair sample, providing reliable results for up to nine months. This test is ideal for employers and legal cases requiring long-term substance use history. Collection is performed at national labs including Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox. Call (877) 731-6362 to arrange testing. OVERVIEW ## What is a 9-Month Hair Drug Test? A 9-month hair drug test is a specialized hair follicle drug test that detects drug use over a nine-month [detection window](https://amhnationwide.com/hair-follicle-drug-test-detection-window/). Unlike standard hair tests that typically analyze 1.5 inches of hair covering about 90 days, this test requires a longer hair sample, usually about 4.5 inches, to extend the detection period to nine months. This extended detection period makes the 9-month hair follicle drug test particularly useful for employers, legal authorities, and rehabilitation programs that need to assess substance use history over a longer timeframe. The test analyzes hair samples at national labs including [Quest Diagnostics](https://www.questdiagnostics.com/), [LabCorp](https://www.labcorp.com/), Omega Labs, United States Drug Testing Labs, and ExperTox. PROCESS ## How Does the 9-Month Hair Follicle Drug Test Work? The 9-month hair follicle drug test works by chemically analyzing a longer segment of hair to detect drug metabolites deposited in the hair shaft over time. Hair grows approximately half an inch per month, so a 4.5 inch sample provides evidence of drug use over the past nine months. Collection is performed at a collection site designated by AMH Nationwide, which coordinates with five national lab networks for processing. After collection, the hair sample is sent to one of these labs for analysis. Any non-negative results are reviewed by a certified Medical Review Officer to confirm findings. Hair length needed: approximately 4.5 inches Detection window: up to 9 months Drugs detected: includes cocaine, marijuana, opiates, amphetamines, PCP, and others Collection sites: nationwide through AMH Nationwide’s lab network Result review: certified Medical Review Officer confirms any positive results BENEFITS ## Why Choose a 9 Month Hair Test Instead of a Standard 3-Month Hair Test? The primary benefit of the 9-month hair drug test is its extended detection window, which is three times longer than the standard 3-month hair test. This allows for a more comprehensive view of a person’s drug use history, which is critical for certain employers, legal cases, and treatment programs. Other advantages include the non-invasive collection process and the difficulty of tampering with hair samples compared to [urine](https://amhnationwide.com/urine-drug-testing/) or saliva tests. Extended detection up to 9 months vs. 3 months Non-invasive and easy collection Difficult to adulterate or substitute sample Comprehensive drug use history Reviewed by certified Medical Review Officer WHO USES IT ## Who Typically Orders a 9 Month Hair Follicle Drug Test? Employers who require long-term substance use history often order the 9 month hair drug test for [pre-employment](https://amhnationwide.com/pre-employment-hair-testing/) or ongoing employee screening. Legal professionals may request this test for [probation](https://amhnationwide.com/hair-follicle-drug-test-probation/) or custody cases where extended drug use detection is necessary. Rehabilitation centers and healthcare providers may also use this test to monitor long-term sobriety. Note that DOT-regulated safety-sensitive testing requires federally certified urine testing under [49 CFR Part 40](https://www.transportation.gov/odapc/part40); hair testing is not accepted for DOT roles. Employers needing extended detection Legal and probation authorities Rehabilitation and treatment programs Healthcare providers monitoring sobriety ## Ready to Schedule Your 9-Month Hair Drug Test? Contact AMH Nationwide to arrange collection through our national lab network. Call (877) 731-6362 for details and pricing. [Call (877) 731-6362](tel:+18777316362)[Contact Us](https://amhnationwide.com/contact-us/) ORDERING ## How Do I Arrange a 9 Month Hair Drug Test? AMH Nationwide provides the lab order and directs the requester to a nearby collection site within its national lab network, which includes Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox. There is no online ordering option. To schedule testing or receive a price quote, call AMH Nationwide directly at (877) 731-6362. Pricing varies depending on the drug panel selected and detection window requirements. RESULTS ## What Can I Expect Regarding Results and Turnaround Time? After collection, samples are analyzed by one of AMH Nationwide’s five national lab networks. Most results are available within a few days, though timing can vary based on the specific drug panel and lab workload. Any initial positive or non-negative tests are reviewed by a certified Medical Review Officer before final reporting. This ensures accuracy and allows for verification of any prescription medications or legitimate explanations. 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 Typically, a 4.5 inch hair sample is required to cover the 9-month detection window. The lab analyzes this length to detect drug metabolites deposited over time. This test detects a range of substances including cocaine, marijuana, opiates, amphetamines, PCP, and other commonly abused drugs depending on the selected panel. No. DOT-regulated safety-sensitive testing requires federally certified urine testing under 49 CFR Part 40. Hair testing is only valid for non-DOT roles. Results typically return within a few days after collection, but timing varies by lab and panel. All positive results are reviewed by a certified Medical Review Officer. Hair testing is difficult to adulterate or substitute compared to urine or saliva tests. The extended length also provides a longer detection window making tampering less effective. Call AMH Nationwide at (877) 731-6362 to arrange the lab order and collection site. There is no online ordering; all testing is coordinated by phone. 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/9-month-hair-drug-test/