---
title: "What a Hair Follicle Test Detects"
description: "Discover what a hair follicle test detects and how it works nationwide with certified MRO review and a strict chain of custody. Call us now at (877) 731-6362."
author: "AMH Nationwide"
date: "2021-07-06"
tags: ["what a hair follicle test detects", "Drug Testing"]
canonical: "https://amhnationwide.com/what-can-be-detected-by-a-hair-follicle-drug-test/"
last_updated: "2026-08-27"
---

# What a Hair Follicle Test Detects

**By AMH Nationwide** | July 6, 2021

Discover what a hair follicle test detects and how it works nationwide with certified MRO review and a strict chain of custody. Call us now at (877) 731-6362.

---



---

**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/what-can-be-detected-by-a-hair-follicle-drug-test/