Next CLS Testing Window

Summer 2019 Testing Window

June 17-July 31, 2019

App Deadline:
Friday, June 7, 2019

See More Dates

CLS Certification
Recognized by ACC

The CLS certification is now recognized by the American College of Cardiology as qualifying criteria to become an Associate of the American College of Cardiology (AACC), a distinguished designation honoring those with advanced training and education in the field of Cardiology.

More Information

CLS Certification Featured on Today's Dietitian

Learn more about this certification and why RDNs should pursue it.

More Information


Candidates who do not achieve a passing score on the exam are eligible to submit a reapplication at a discounted rate of $250. Re-examinations must occur within one year, three testing windows, following the failed examination. The CLS certification exam may be re-taken up to three (3) times, or 4 times total.

To take advantage of this opportunity, please complete the re-application on this page and return it along with re-application fee ($250) via fax or mail to the ACCL prior to the appropriate application deadline. The ACCL reserves the right to verify re-application information provided prior to the re-application being approved.

If it has been more than one year, three testing windows, since you have completed the CLS Exam you will need to submit a complete new application and full fee. To complete the full application click here.