How many categories of CPT codes are listed in the CPT manual?

The CPT manual classifies coding information into five distinct categories. Each category serves a unique purpose in documenting medical services and procedures.

Category I codes represent a variety of services like procedures and diagnostic evaluations, typically structured in a numeric format that includes a two-digit numeric code followed by a decimal and two additional numbers.

Category II codes are optional tracking codes used to report performance measures and enhance quality of care.

Category III codes provide temporary codes for emerging technologies, services, and procedures that may not have a Category I code yet.

The correct answer, indicating that there are five categories, aligns with this classification system established by the American Medical Association. Since there are only these five recognized categories, any references to a larger number of categories would not align with the established guidelines used in coding practices.