Code Set Standards Instructions: The Code Set Standards include CPT, ICD-10 CM and PCS, and HCPCS Level II. There are specific formats and uses for each type of code and each type of job deals with a different type of coding. As you consider your future position in healthcare and coding answer the following: What code set(s) do you find confusing and explain why. Why is it important to understand the different Code Set Standards as a medical assistant, medical office administrator, medical coder, or medical billing and insurance specialist? Which code set do you find challenging and how would you explain this code set to a coworker or a subordinate if you were asked to train them? What questions would you ask about the codes sets if you were in training?