--- title: "Can alcohol be detected in hair" description: "Can alcohol be detected in hair? Yes, hair testing shows long-term alcohol use through EtG. Call (877) 731-6362 for lab-based testing info." author: "AMH Nationwide" date: "2026-08-28" tags: ["can alcohol be detected in hair"] canonical: "https://amhnationwide.com/can-alcohol-be-detected-in-hair/" last_updated: "2026-08-28" --- # Can alcohol be detected in hair **By AMH Nationwide** | August 28, 2026 Can alcohol be detected in hair? Yes, hair testing shows long-term alcohol use through EtG. Call (877) 731-6362 for lab-based testing info. --- Can alcohol be detected in hair through Ethyl Glucuronide (EtG) testing? Yes, hair testing identifies alcohol consumption over weeks to months by measuring EtG, a metabolite of alcohol. This method provides a reliable long-term alcohol use profile. For detailed testing options, call (877) 731-6362. OVERVIEW ## Can alcohol be detected in hair? Yes, alcohol can be detected in hair by measuring Ethyl Glucuronide ([EtG](https://amhnationwide.com/hair-etg-alcohol-test/)), a direct metabolite of ethanol. Hair testing provides a long [detection window](https://amhnationwide.com/hair-follicle-drug-test-detection-window/), allowing identification of alcohol use over weeks to months, unlike blood or [urine](https://amhnationwide.com/urine-drug-testing/) tests which detect recent consumption only. Hair samples are collected at authorized sites and sent to 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. The process is overseen by certified Medical Review Officers to ensure accurate interpretation. DETECTION WINDOW ## What is the detection window for alcohol in hair testing? The detection window for alcohol in hair testing typically covers 1 to 3 months, depending on hair length. Hair grows approximately 1 cm per month, and labs analyze segments to estimate alcohol consumption over time. This contrasts with urine EtG tests, which detect alcohol use within 1 to 5 days. Hair testing is useful for monitoring long-term abstinence or chronic alcohol use, especially in legal, employment, or clinical settings. TESTING PROCESS ## How is alcohol testing performed using hair samples? A small hair sample, usually from the scalp, is collected by trained personnel at designated collection sites. The sample is sent to one of the national lab networks where EtG concentration is measured using validated laboratory methods. Every non-negative result undergoes review by a certified Medical Review Officer to confirm findings and rule out potential confounding factors or lab errors. This ensures test accuracy and reliability. APPLICATIONS ## Who orders hair alcohol testing and why? Employers, courts, [probation](https://amhnationwide.com/hair-follicle-drug-test-probation/) officers, and healthcare providers order hair alcohol testing to verify abstinence or detect chronic alcohol use over time. It is especially useful when longer-term monitoring is required compared to urine or blood tests. Individuals may also request hair testing for personal monitoring or compliance verification. AMH Nationwide facilitates the lab order and directs clients to a nearby collection site. There is no online ordering available. ## Need Reliable Hair Alcohol Testing? Call (877) 731-6362 to arrange your lab order and find a collection site near you. Our team will guide you through the process and answer your questions. [Call (877) 731-6362](tel:+18777316362)[Contact Us](https://amhnationwide.com/contact-us/) LIMITATIONS ## Can hair testing detect one-time or passive alcohol exposure? Hair EtG testing is designed to detect repeated or chronic alcohol consumption rather than single occasions of drinking. One-time alcohol use may not produce detectable EtG levels in hair. Passive exposure to alcohol, such as from environmental sources or cosmetics, typically does not result in positive hair EtG tests due to strict laboratory cutoffs and sample preparation methods. COMPLIANCE ## Is hair alcohol testing compliant with regulations? Hair EtG testing is not used for DOT-regulated safety-sensitive positions, which require federally certified urine testing under [49 CFR Part 40](https://www.transportation.gov/odapc/part40). Hair testing is appropriate for non-DOT roles requiring long-term alcohol monitoring. AMH Nationwide uses federally certified labs and follows strict chain-of-custody and quality standards including [SAMHSA](https://www.samhsa.gov/workplace/drug-testing) alignment, CAP accreditation, and CLIA certification to ensure compliance and reliability. 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-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 Yes, hair testing can detect alcohol use from 1 to 3 months prior depending on hair length, making it suitable for long-term monitoring. Hair EtG testing is most reliable for detecting repeated or chronic alcohol use. Occasional drinking may not reach detectable levels. No, passive exposure is unlikely to cause a positive result due to lab cutoffs and sample preparation that eliminate external contamination. All non-negative hair alcohol tests are reviewed by a certified Medical Review Officer to ensure accuracy and proper interpretation. No, DOT safety-sensitive testing requires federally certified urine testing under 49 CFR Part 40. Hair testing is for non-DOT roles. Call (877) 731-6362 to request a lab order and be directed to a nearby collection site. AMH does not offer online ordering. 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/can-alcohol-be-detected-in-hair/