--- title: "19-Panel Hair Follicle Drug Test: Which Test Do I Need | AMH Nationwide" description: "Learn when the 19-panel hair follicle drug test is the right choice. Understand its benefits and alternatives. Call (877) 731-6362 to schedule testing." author: "AMH Nationwide" date: "2026-08-27" tags: ["19-panel hair follicle drug test which test"] canonical: "https://amhnationwide.com/19-panel-hair-follicle-drug-test-which-test/" last_updated: "2026-08-27" --- # 19-Panel Hair Follicle Drug Test: Which Test Do I Need | AMH Nationwide **By AMH Nationwide** | August 27, 2026 Learn when the 19-panel hair follicle drug test is the right choice. Understand its benefits and alternatives. Call (877) 731-6362 to schedule testing. --- The 19-panel hair follicle drug test which test is designed to detect drug use over a 90-day period by analyzing hair samples. This test suits employers, courts, probation officers, and individuals needing long-term drug use verification. Collection is through national labs. Call (877) 731-6362 to arrange testing. TEST OVERVIEW ## What is the 19-panel hair follicle drug test which test? The 19-panel hair follicle drug test which test detects the presence of 19 different drugs or drug classes from a small hair sample. It provides a [detection window](https://amhnationwide.com/hair-follicle-drug-test-detection-window/) of up to 90 days, making it useful for identifying long-term drug use patterns. The test is processed through five national lab networks: [Quest Diagnostics](https://www.questdiagnostics.com/), [LabCorp](https://www.labcorp.com/), Omega Labs, United States Drug Testing Labs, and ExperTox. Because hair grows approximately half an inch per month, the test analyzes the most recent 1.5 inches of hair to detect drug metabolites embedded during hair formation. This method differs from [urine](https://amhnationwide.com/urine-drug-testing/) or saliva testing, which reflect recent or immediate drug use. WHEN TO CHOOSE ## When is the 19-panel hair follicle drug test the right choice? The 19-panel hair follicle drug test is ideal when long-term drug use verification is needed rather than short-term detection. It is often selected in situations where employers, courts, [probation](https://amhnationwide.com/hair-follicle-drug-test-probation/) officers, or individuals require a comprehensive drug history over several months. This test is appropriate when: • Monitoring compliance with drug-free policies over time • Confirming abstinence or drug use patterns in legal or probation settings • Conducting [pre-employment](https://amhnationwide.com/pre-employment-hair-testing/) or ongoing employee screenings in non-DOT safety-sensitive roles • Personal drug use verification when a longer detection window is necessary Long-term detection: up to 90 days Non-invasive sample collection Suitable for non-DOT regulated workplaces More resistant to tampering than urine tests TEST COMPARISON ## How does the 19-panel hair follicle test compare to other drug tests? The 19-panel hair follicle drug test offers a longer detection window than urine, saliva, or blood tests, which typically detect drug use from hours to a few days. However, it does not detect very recent drug use within the last 7 days because hair needs time to grow. Urine tests are generally preferred for DOT-regulated safety-sensitive positions because they follow the federally certified urine protocol under [49 CFR Part 40](https://www.transportation.gov/odapc/part40). Hair tests are not acceptable for DOT testing but are common in non-DOT workplace drug screens. | Test Type | Detection Window | | --- | --- | | 19-panel hair follicle | Up to 90 days | | Urine (standard panel) | 1-4 days | | Saliva | 1-2 days | | Blood | Hours to 1 day | Each test type has specific advantages depending on the testing requirements and regulatory guidelines. The 19-panel hair follicle test is best when long-term drug history is required. WHO ORDERS ## Who typically orders the 19-panel hair follicle drug test? Employers in industries without DOT regulations often use the 19-panel hair follicle drug test for pre-employment and random drug screening. Courts and probation departments may require this test to monitor compliance with drug-related conditions over several months. Individuals may also request this test for personal reasons to verify abstinence or monitor drug use history. The test’s comprehensive panel and extended detection period make it suitable for these varied needs. ## Ready to arrange a 19-panel hair follicle drug test? Call (877) 731-6362 to schedule your test or to speak with a representative about which testing option fits your needs. [Call (877) 731-6362](tel:+18777316362)[Contact Us](https://amhnationwide.com/contact-us/) LAB PROCESS ## How is the 19-panel hair follicle drug test collected and processed? AMH Nationwide directs the requester to a collection site affiliated with one of five national lab networks: Quest Diagnostics, LabCorp, Omega Labs, United States Drug Testing Labs, and ExperTox. No online ordering is available; scheduling requires calling (877) 731-6362. At the collection site, a small hair sample is taken from the scalp or body. The sample is then sent to the lab for analysis. Every non-negative screen is reviewed by a certified Medical Review Officer (MRO) as part of standard processing to ensure accuracy and proper interpretation. PRICING ## What does the 19-panel hair follicle drug test cost? Pricing for the 19-panel hair follicle drug test varies depending on the specific panel and detection window required. Additional factors include the lab network used and any special reporting needs. To receive an accurate price quote, contact AMH Nationwide at (877) 731-6362. There is no online ordering or pricing available without direct consultation. 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 No, the 19-panel hair follicle drug test typically cannot detect drug use within the past 7 days because hair needs time to grow and incorporate drug metabolites. No, DOT-regulated safety-sensitive testing requires the federally certified urine protocol under 49 CFR Part 40. Hair follicle tests are used only for non-DOT testing. Results usually take several days to a week after sample collection, depending on the lab network and processing times. The 19-panel test covers a broad range of substances including amphetamines, cocaine, marijuana, opiates, PCP, benzodiazepines, barbiturates, and others. Certain hair treatments like bleaching or dyeing may reduce drug metabolite levels but generally do not prevent detection. Labs consider these factors during analysis. Contact AMH Nationwide by calling (877) 731-6362 to be directed to a collection site. There is no option to order or schedule online. 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/19-panel-hair-follicle-drug-test-which-test/