This registration option includes access to take the CTH exam at a Meazure-approved testing site. By selecting this option, you will be able to schedule and sit for your exam at one of Meazure’s designated testing centers.

Please ensure you select the correct registration option. We will be checking the registration list on the day of the exam to confirm that you are registered to take the exam at a Meazure-approved testing site Failure to register through the correct option may result in delays or ineligibility to test at your chosen location.

If you plan to take the CTH Exam online proctoring and NOT at an in-person Meazure-approved testing site, please click the link: [https://learning.istm.org/products/2025-29th-cth-examination-online-meazure-learning-application#tab-product_tab_overview] to complete the appropriate registration.

The CTH® certificate recognizes professionals who have demonstrated expertise in the unique Body of Knowledge associated with travel medicine care and consultation.  The International Society of Travel Medicine (ISTM) will offer its 29th Certificate of Knowledge™ in Travel Medicine examination online during the week of 3-7 November 2025. 

The deadline to apply to take the exam is 4th October 2025.

No cancellations or deferrals will be honored after 45 days. 

If you have a health or family emergency after 45 days that impacts your ability to take the exam, you may defer your registration to the next available exam if you provide corroborating documentation of a true emergency. After 45 days, requests to defer for convenience will not be considered. If you choose to defer your exam on or before 45 days prior to the start of the examination date, you must take the exam when it is next offered as you will not be allowed to defer a second time. 

Requirements:

Please note that there are 4 REQUIRED components to this exam application. You must complete all 4 components in order for your application to be considered. If you fail to complete the required components, you will not be allowed to enter the exam on exam day. 

1. CTH® Examination Confidentiality and Candidate Conduct Policy

2. Applicant Questionnaire

3. Terms of Service (TOS) Acknowledgement

4. Photo Identification Upload 

Please read the full ISTM’s Certificate of Knowledge™ (CTH®) in Travel Medicine Examination Confidentiality and Candidate Conduct Policy located in the Handouts section. Acknowledgment is required to proceed. You will not be able to complete your registration without confirming you have read and understood this policy.

Please note that Non-ISTM Members must create ISTM profiles to apply to take the examination. Click here to create your profile then submit your application through the member application link.

Special Accommodations:

If you need special accommodations for the examination, please complete the Special Accommodations Request form here.
After completing the form, please email learning@istm.org or kgray@istm.org and submit your request within 30 days of the exam date. 

Handouts Available:

1. CTH® Examination Confidentiality and Candidate Conduct Policy

2. Candidate Brochure

3. Meazure Learning Testing Site Instructions

4. CTH® Mark Use Policy

Future Exam Dates:

Administered online the week of 4th - 8th May 2026

Additional Information:

1. You will receive an email from ISTM confirming that your application has been accepted and 3-4 weeks before the exam, you will receive an email from Meazure Learning and will be required to set up a user account to complete your testing reservation. You may receive additional emails if any updates need to be communicated so, please make sure to read any emails from learning@istm.org or kgray@istm.org and add us to your safe-senders list so the emails do not go to your spam folder. 

2. Scoring: Please note that you will NOT receive a score immediately after taking the exam. Pass/Fail information will be emailed after the psychometricians have reviewed all of the completed exams. Please be patient as grading may take 8 to 10 WEEKS. In the interim, neither this system nor the ISTM Professional Team will have pass/fail information.