Laboratories can divide the hair into 30-day segments (for example, 0–30 days, 30–60 days, 60–90 days) to estimate when use may have occurred. Segmented testing can only show approximate timeframes and cannot determine exact dates.
Note: Body hair cannot be used for the 6-month test because it grows irregularly and cannot be segmented accurately. The hair drug testing hair length for a 6-month window is always based on 3 inches of head hair.
Why Choose a 6-Month Hair Drug Test?
Most drug testing methods—such as urine or saliva—detect only recent use. Hair testing, however, offers a far longer period of detection. Our 6-month hair drug test detection window provides insight into drug use patterns over an extended timeframe, using a simple and noninvasive sample collection.
Key advantages include:
- Longer detection period – Detects drug use up to 6 months back
- Tamper-resistant collection – Hair samples are extremely difficult to adulterate
- Observed process – Eliminates the risk of substitution or dilution
- Reliable laboratory analysis – All samples undergo all necessary confirmation testing using GC-MS technology
- Comprehensive testing options – Available from basic 5-panel up to 18-panel configurations
If head hair is unavailable, AMH Nationwide may offer alternative testing methods or shorter lookback windows.
How the 6-Month Hair Follicle Drug Test Works
1. Sample Collection
A trained technician collects a small sample of hair (90–120 strands) from the crown of the head, cut close to the scalp to ensure accuracy.
2. Laboratory Screening
Testing begins with an enzyme immunoassay (EIA or ELISA) screening. Any non-negative results are confirmed using Gas Chromatography Mass Spectrometry (GC-MS) for precise identification.
3. Results and Reporting
Results are typically available within 3 to 5 business days, with some cases taking up to 7 days. A certified medical review is included when prescriptions must be considered. All results are reported securely and confidentially.
Who Uses 6-Month Hair Drug Tests?
The extended detection window makes this test valuable in many situations. A hair drug test six months back provides verifiable long-term insight that is not possible through urine, saliva, or blood testing. It also allows for observed hair collection when tampering or adulteration of a urine sample is suspected.
It is commonly used by:
- Employers – For long-term compliance monitoring and pre-employment verification
- Courts and probation departments – To track abstinence, confirm ongoing sobriety, or clarify conflicting urine test results
- Child custody and family law cases – When clear, verifiable results are needed for legal or protective review
- Treatment and recovery programs – For post-rehab accountability and relapse prevention
- Individuals and families – For personal peace of mind, testing for a child or loved one, or private documentation
For child custody or Child Protective Services scenarios, consider the 5-panel hair drug test (ChildGuard), which screens for environmental exposure.
What Drugs and Drug Classifications Are Tested For?
The 6-month hair follicle drug test can be ordered in several configurations, from a basic 5-panel test to a comprehensive 18-panel option.
Commonly tested substances include:
- Amphetamines
- Methamphetamine
- Cocaine
- Opiates
- PCP (Phencyclidine)
- Marijuana (THC)
- Expanded opiates including oxycodone, hydrocodone, oxymorphone, and hydromorphone
Additional panels are available (7-, 10-, 13-,17-panel options, 18-panel options) that may include:
- Benzodiazepines
- Barbiturates
- Methadone
- Propoxyphene
- Tramadol
- Meperidine (Demerol)
- Fentanyl
- Ketamine
- Buprenorphine
- Zolpidem (Ambien)
AMH Nationwide also offers hair ETG alcohol testing for 6 months, which can be combined with any of these drug panels for a comprehensive evaluation.
Methodology:
EIA or ELISA screening followed by GC-MS confirmation for any non-negative results
Possible processing laboratory options:
Omega Laboratory
Hair Drug Test Cost and Registration
The price for a 6-month hair follicle drug test varies by panel type, segmentation, and lab availability. On average, a standard 5-panel test ranges from $259.98 to $299.98, which includes confirmation testing and medical review.
If segmented testing is ordered:
Each segment (for example, 0–30 days, 30–60 days, 60–90 days) is treated as a separate test and charged individually. For detailed pricing, please call customer service for a quote before scheduling.
To get the best pricing:
- Register early – Early scheduling allows for more lab options.
- Be flexible with location – Expanding your search radius can lower testing costs. We have five lab networks and locations all over the country. Use our clinical locator.
- Call for a promo code – We usually have a few promo codes online, but if you haven’t seen one, call customer service and ask. We’re available Monday–Friday, 9:00 a.m.–5:00 p.m. Central Time.
AMH Now Offers ETG Hair Test Options
AMH Nationwide offers additional ETG hair alcohol testing that can be used separately or paired with standard hair drug panels.
- Extended and shortened detection times
- Anonymous at-home lab-based ETG testing
- Combined drug and alcohol panels for added value
These options are ideal for court-ordered cases, recovery programs, or personal testing when alcohol use must also be documented.
Call 866-347-0981 For More Details!
