Environmental Exposure Hair Drug Testing

What is environmental exposure hair drug testing and how is it performed?

Unlike other hair testing, environmental exposure hair drug testing is a special type of test that does not test to see if the donor has used drugs, but instead can help ascertain if a donor was in an environment where drugs were being used.

Environmental exposure hair testing is typically performed by cutting multiple, small samples of hair from the donor's head. In cases where the donor has only a small amount of hair, all of it may need to be collected to successfully perform the testing.

Who should choose environmental exposure hair drug testing?

Environmental exposure hair drug testing is typically performed on young children and teenagers to determine if they have been in an environment where drugs were being used.

Because the test is checking for environmental exposure, it is important that the donor's hair not be washed before providing the sample. In fact, it is ideal for the donor to proceed directly to the testing site from the area where suspected drug use was occurring. If a donor is not able to provide enough of a hair sample, or the donor has washed their hair before the test, no alternative tests exist.

Environmental exposure hair drug testing has been used successfully in legal proceedings.

How we can help.

We can provide confidential and court defensible environmental exposure hair drug testing services to concerned parents, attorneys, governments, corporations and private individuals. Results can be released to multiple individuals if necessary.

In situations where donors are living in other states or even overseas, we can coordinate the collection of their samples where each donor resides.

Frequently Asked Questions
Do I need an appointment for a hair test?

Appointments are suggested but not required.

How long will the collection take?

Hair collections take approximately 15 minutes.

Can environmental exposure testing be segmented?


How long before I get my results?

Results are typically available in 5 to 10 business days.

Can I test a hair sample I collected myself?

Yes. If you are in the Saint Louis area, you may bring the sample directly to our office for testing. If you are outside of the Saint Louis area, please call (636) 916-0050 for shipping details and instructions.

Information for Donors

Prior to setting up your test

Make sure to have all necessary information before setting up your test.

In some cases, testing may already be set up. To check if testing has already been set up for you, call us at (636) 916-0050.


If testing hasn't been set up already, it will need to be set up before any appointments or specimen collections can be made. To make the set up process quick and accurate, make sure that you have all of the necessary information first.


To set up your test you will need:


  • If you would prefer to schedule you appointment to avoid another donor who will be testing, you will need the name of the other donor or donors that you wish to avoid
  • If any legal order of protections or restraining orders are in place between any other donors (if known)
  • If a court has issued an order requiring the test


If you do not have all of the information, or are unsure about the information that you do have, please let us know this when setting up your test.

Setting up your test

Setting up your test is quick and can be done over the phone.

To set up your test, call us at (636) 916-0050. When you set up your test, you will be asked to provide some basic information about yourself and the donors.


Payment arrangements are also made at this time if another individual is responsible for payment. Payment arrangements must be completed before any collections can be scheduled or performed. For your convenience, we accept Visa or MasterCard over the phone.

Scheduling your collection

Appointments are suggested but not required.

Call (636) 916-0050 to schedule your collection appointment time or to make changes to your existing appointment.


When calling to schedule your collection appointment, make sure you have all of the necessary information to make the process quick and accurate.


To schedule an appointment, you will need to provide:


  • Your name
  • Your telephone number
  • If any legal order of protections or restraining orders are in place between you and any other donors
  • If you are scheduling an appointment for a minor:
    • Name of minor
    • Age of minor
    • If parent or guardian will not be at the facility at the time of the minor's test collection, prior written permission authorizing the collection must be in place.
  • The date and time that you prefer


When choosing an appointment time, please keep in mind that the collection process takes about 15 minutes.


We will make every effort to schedule your appointment for the date and time you prefer, but in some cases the appointment time may not be available.

Providing your specimen

Appointments are suggested but not required.

Payment is required at this time unless arrangements have already been made. Prior to arriving for your appointment, please be sure to bring with you:


  • A valid (not expired) government issued photo ID
    Acceptable IDs include (copies or faxes are not accepted):
    • Driver's License
    • Non-Driver License (state ID)
    • Passport
    • Military ID
  • A copy of any court orders if the testing is ordered by a court
  • A list of all names and their associated addresses, phone numbers, fax numbers and email addresses you wish for us to release the results to


If you will be bringing a minor for a collection, you will also need to bring:


  • A photo ID of the minor (if available)
  • If you are a social worker for the state and you will be authorizing testing for the minor, you will need to bring proof of guardianship or the court order for testing that specifically lists you as having the authority to authorize testing for the minor
  • Proof of guardianship if any of the following are true:
    • Your name does not appear on the minor's birth certificate
    • Your last name differs from the minor's last name and no birth certificate showing your name is presented
    • You are a relative of the minor
    • You are a family friend of the minor


Please arrive 15 minutes before your appointment time to check-in and complete the necessary paperwork.


The collection process will take about 15 minutes.

Obtaining your results

Test results are normally available 5 to 10 business days after collection.

Telephone and fax results are typically available 5 days after the specimen is collected. A mailed test result is provided and typically arrive in the mail 10 to 17 days after the specimen is collected. Donors can also request to hold results at our Saint Charles office for pickup. Results are typically available for pickup 10 days after the specimen is collected. If you would like to pick up your result instead of having it mailed, please tell your collector during your appointment.


For help interpreting your results after you receive them, please call (636) 916-0050 and one of our staff would be happy to discuss your result with you.

Have Questions?

Drug testing can be embarrassing to discuss. We understand.

Normally drug testing is performed for reasons that can be embarrassing. Simply knowing that you need to take a test, or that you need to have someone test, can be stressful before you even pick up the phone to call for information. After providing your sample you have the added anxiety of waiting for the test result to come back. We understand that you will have questions and concerns. We want you to know that we will be here each step of the way to help you, even after the test results are back. If you have any questions about the testing process, help interpreting your results or would like information on where substance abuse treatment can be obtained, please give us a call.

Let us know
how we can help
Call us: (636) 916-0050 Mon–Fri, 9:00 AM–4:30 PM CST