Tag: hair drug test
Quest Diagnostics hair testing now includes specific testing for Fentanyl and Methadone
Recent enhancements to our hair testing panels now allow for more specific testing for Fentanyl and Methadone.
Ask the Experts: Hair drug test collections
The amount of hair needed for a hair drug test is approximately 100 milligrams made up of the first 1-½ inches from the root end. The hair is typically cut from the crown of the back of the head in a manner where it will not be as noticeable. Learn more about hair drug test collections.
Ask the experts: Hair testing vs. hair follicle testing
What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.
Ask the experts: Effects of hair treatments on drug test results
Our scientific expert, Dr. Barry Sample, answers the question: Can products and treatments affect hair drug test results?
What you need to know about hair drug testing
Employers choose hair testing to help identify habitual and periodic drug users using its 90-day drug detection window. Get the facts.
The 5 panel drug test
The best building block for your drug-free work policy. The 5-panel drug test screens for the five most common drugs. It is the considered the standard.
Hair drug test procedures
We’ve created a hair drug testing guide to help add clarity to each step of the collections process.
Quest comments for hair specimen mandatory guidelines
HHS published an RFI seeking comments for federally-mandated hair drug testing. Here are our comments in response to the questions posed by HHS.
Detect repetitive drug use with hair testing
Hair testing is a method many employers rely on to help identify periodic and habitual drug use by applicants and employees.
Hair testing and the Drug Testing Index
Compared to other drug test specimen types like urine and oral fluid, hair testing is often preferred for evaluating long-term patterns of drug use.
