Next CLS Testing Window

Spring 2018 Testing Window

March 19, 2018 - April 30, 2018

Application Deadline:
Friday, March 9, 2018

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CLS Renewal of Certification (ROC)

The ACCL requires that all CLS participate in ROC every 10 years to maintain active status. Those certified in 2007 have been provided with a 1 year extension to apply. If you were certified in 2007or 2008, the application deadline to apply is October 1, 2018.

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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.

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CLS Certification Featured on Today's Dietitian

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

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Clinical Lipid Specialist

Exam Information

The CLS examination has been constructed at the upper level of difficulty and consists of approximately 150 multiple choice questions. You will have 4 hours to complete the exam.


Exam Blueprint

PercentageTopic
24%Pharmacology
18%Nutrition, Exercise, Lifestyle
10%Clinical Trials
10%Metabolic Syndrome
9%Risk Assessment
9%Lipid Metabolism
7%Genetics
6%Adherence and Compliance
5%Special Populations
3%Vascular Biology

*To achieve a passing score on the exam applicants must answer 62% of the questions correctly.