Content & Composition of the Examination
The CHL exam will test your proficiency in these areas:
- Cleaning, Decontamination, and Disinfection
- Preparation and Packaging
- Sterilization Process
- Patient Care Equipment
- Sterile Storage and Inventory Management
- Documentation and Record Maintenance
- Customer Relations
Each of these seven knowledge domains is comprised of a series of sub-domains which further detail the type and amount of content covered in each section, as well as its weight on the certification exam. Please click here to see the full CHL Exam Content Outline.
The exam is computer based and no writing instruments are needed (a paper and pencil version of the exam is not available.) The test is comprised of 150 multiple choice questions and you will have 3 hours in which to complete the exam. Questions can be marked for review and answered or changed later in the exam. A 15 minute tutorial describing how to take the exam on the computer precedes the test and is also available online, here. For more information regarding the testing process please see the Certification Testing section.