Medical Office Assistant · Medical Economics, Billing, and Coding

CPT Purpose and Structure

On this page 3 sections
  1. Quick check
  2. Study tools
  3. Sources & references

Quick check

5 questions here, of 85 in this lesson’s practice set. Answers stay hidden until you check.

Question 1 of 5foundational

The abbreviation CPT stands for which of the following?

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Question 2 of 5foundational

What is the primary purpose of the CPT code set?

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Question 3 of 5foundational

Which organization publishes and maintains the CPT code set?

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Question 4 of 5foundational

CPT codes describe the services and procedures performed, while a separate code set describes why the service was performed. Which pairing reflects this relationship?

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Question 5 of 5foundational

What is the format of a Category I CPT code?

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Practice all 85

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Study tools & related lessonsYou’ll learn to · Related

You’ll learn to

  • Explain the purpose of CPT as the standardized code set for reporting medical, surgical, and diagnostic procedures and services.
  • Describe the structure of CPT, including Category I, Category II, and Category III codes and the six Category I sections.
  • Recognize that the AMA owns and licenses CPT and apply the limits on reproducing proprietary code content in educational and workplace use.
  • Distinguish procedure coding (CPT) from diagnosis coding and explain how modifiers, add-on codes, and HCPCS levels support accurate claims.

Sources & references

  1. American Medical Association — CPT (Current Procedural Terminology)
  2. Centers for Medicare & Medicaid Services — CMS.gov
  3. AAPC — Medical Coding and Billing

This lesson was adapted from the open educational references above; their licenses and attributions are preserved. See Copyright & Licensing.

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