Which statement differentiates CPT Category I, II, and III codes?

Which statement differentiates CPT Category I, II, and III codes?

• A. Category I: standard codes for widely used services; Category II: performance measures; Category III: new or experimental codes.
• B. Category I: performance measures; Category II: standard codes; Category III: not used.
• C. Category I: new or experimental; Category II: standard; Category III: performance measures.
• D. Category I: dental; Category II: radiology; Category III: anesthesia.

Answer: (A)