COVID-19 (Coronavirus) situation:

Testing candidates: Check our COVID-19 Update Page (Opens in new window) to review the health and safety measures in place for testing and find out about any country-specific testing policies.

Appointment availability is limited due to social distancing precautions and varies by location. Please note that our customer service wait-times are also longer than usual right now. For information on rescheduling, refunds, and more, please check out our FAQs.

American Board of Toxicology, Inc. – ABT

American Board of Toxicology, Inc. – ABT

The American Board of Toxicology confers recognition upon those members of the profession who meet standards for professional competency in the field of general toxicology.

The Diplomate of the American Board of Toxicology® (DABT) credential is awarded to individuals who have met the eligibility requirements for admission to and passed the ABT certification examination.

For information on the ABT Certification program, please visit

The ABT Candidate Handbook contains valuable information regarding the Certification program, including eligibility requirements, the application process, applicable fees, exam content, reference lists, exam administration logistics, and recertification requirements. All candidates should carefully review the handbook prior to the application process.

The ABT Certification examination is administered in person at Pearson VUE’s global network of brick-and-mortar Exam Centers (with locally compliant social distancing and sanitizing protocols in place), using the Exam Center’s computer equipment and internet connection.

Your Candidate ID # and Client Authorization ID # (as they appear on your Authorization to Test (ATT) notice) are required to schedule your exam.

How to Apply and Become Eligible for Certification

Before scheduling your exam appointment, you must apply for certification via the ABT website at, be found eligible, and receive an Authorization to Test (ATT) notice (which contains your Candidate ID # and Client Authorization ID #) from ABT. Full details about the process are available on the ABT website and in the Candidate Handbook.

Your first (given) name and last (family) name as listed on your ATT notice must EXACTLY MATCH your first name and last name as those appear on a currently valid, government-issued photo identification bearing your signature, which you must present at the exam center. If there are any discrepancies during check-in, the proctor will not allow you to take the exam, you will be considered a “no show,” and the examination fee will be forfeited and a year of eligibility lost. If your name does NOT exactly match, please email ABT at at least thirty (30) days prior to your test date.

Special Accommodations

Any special accommodations for testing must be submitted to the ABT office at the time of initial application, as described in the Candidate Handbook.

Scheduling your Exam

Your Candidate ID # and Client Authorization ID # (as they appear on your Authorization to Test (ATT) notice) are required to schedule your exam. These will be sent via email approximately 7-14 days after the examination fee is paid on the ABT website. Notice to pay the examination fee is sent via email to eligible candidates. The examination fee is due by August 31, 2021. The deadline to schedule your examination at a testing center is September 30, 2021.

Candidates are encouraged to schedule their examination as soon as they receive the Authorization to Test (ATT) notice from Pearson VUE. Availability of exam appointments at test centers in specific locations cannot be guaranteed.

To schedule your exam, please click the “Sign in” button in the sidebar of this webpage. If you are a first-time exam taker with Pearson VUE, you will need to first click on the “Create account” button.

To locate an exam center prior to scheduling your exam appointment, please click on the “Find a test center” link in the sidebar of this webpage.

After scheduling your exam, please review your appointment confirmation email and ensure that you have the correct exam, date, time, first name and last name matching your government ID, and testing location.

The Authorization to Test notice is valid for the current year’s examination administration only.

Rescheduling/ No-Shows

Reschedule Policy

Exams can be rescheduled for the current year to a different exam center only, contingent upon exam appointment availability. You must contact Pearson VUE or access your online Pearson VUE account (by clicking “Sign in” in the sidebar of this webpage) to reschedule your exam to a different exam center at least 48 hours prior to your appointment. Exams cannot be rescheduled less than 48 hours prior to (that is, within 48 hours of) your appointment. Failure to reschedule in time or failure to appear for your appointment will result in the forfeiture of your exam fee.

No-Show Policy

Failure to appear on time for your examination appointment will result in forfeiture of the examination fee.

Candidates who do not appear for their scheduled examination appointment will need to pay the exam fee again in a future year and will receive a new ATT Notice with a new Client Authorization ID #. In addition, if this is your third year of eligibility, you will need to reapply. Full details can be found in the Candidate Handbook.

Refund Policy

The exam fee is non-refundable and non-transferable to future years.

What to Bring to the Exam Appointment

We ask that you arrive at the test center 30 minutes before your scheduled appointment time. This will give you adequate time to complete the necessary sign-in procedures. If you arrive more than 15 minutes late for your appointment, you may be refused admission, and the exam fees will be forfeited.

You will be required to present one form of original (no photocopies), currently valid (unexpired), government-issued ID that includes your name, photograph, and signature. The first and last name that you used to register must match exactly the first and last name on the ID that is presented on test day; if there is a difference between your first and last name as they appear on this notice and as they appear on the ID that you will present on test day, please contact ABT at least 30 days prior to your exam appointment at

All IDs required must be issued by the country in which you are testing; alternatively, if you do not have a qualifying ID issued from the country in which you are testing, an International Travel Passport from your country of citizenship is required.

If possible, please bring a second government identification (that matches the same requirements as the primary ID) to your exam appointment, in case there is an issue with your primary identification.

If you have any questions or concerns about the ID you are required to bring with you to the testing center for admittance to your exam, please contact Pearson VUE customer service at To view the full ID policy, including any additional allowances to this policy, please visit

No personal items may be taken into the testing room. This includes but is not limited to all: Bags, books, reference materials, papers, notes, dictionaries, cameras, cellular telephones, PDAs, computers or tablets, calculators, digital watches, scanners, other electronic or communications devices, and wallets.

Except for the prescheduled, one-hour break after the first 3-hour section of the exam, no other breaks will be allowed during the exam. This includes restroom breaks.

No food or beverages are allowed during the exam.

All personal items other than the identification document must be locked in a locker at the Exam Center (outside of the testing area), for exam security purposes.

Important Exam Day Reminders

Pearson VUE is unable to provide a completely noise-free or otherwise distraction-free environment. Consider bringing your own soft ear plugs or use the Exam Center-provided headphones.

By scheduling your exam, you are assuming the risk of and waiving ABT’s, Metacred’s, and Pearson VUE’s (and their respective contractors’) liability for any harm or damages that you may suffer as a result of or in any way related to your exam administration, including without limitation acquiring the SARS-CoV-2 coronavirus that causes COVID-19.

Except for the prescheduled, one-hour break after the first 3-hour section of the exam, no other breaks are allowed during the exam, and no food or beverages may be consumed during the exam. Please be prepared to take each of the two, 3-hour sections of the exam without breaks, eating, or drinking. If you depart from the testing area at any time during the exam (except during the prescheduled one-hour break between the two, 3-hour exam sections), your exam will be terminated immediately, and your score will be based on the exam items you have completed up to that point in time.

You will have up to three (3) hours to complete the 100 questions in each of the two sections of the examination.

Each page of the test has a timer which counts down the time remaining.

You will have the opportunity to “mark questions for review” and review those items prior to submitting the exam for scoring, as long as time is remaining.

Exam Results

Candidates will receive exam results directly from ABT.

Candidates who do not pass the exam and subsequently apply to retake the exam will receive a new ATT notice with a new Client Authorization ID #.

Last updated 2021-06-25