Certified Documentation Improvement Practitioner (CDIP) — Question 18

A modifier may be used in CPT and/or HCPCS codes to indicate

Answer options

• A. a service or procedure was performed in its entirely
• B. a service or procedure was increased or reduced
• C. a service or procedure resulted in expected outcomes
• D. a service or procedure was performed by one provider

Correct answer: A

Explanation

The correct answer is A because a modifier is used to indicate that a service or procedure was performed in its entirety, providing additional context to the code. The other options describe different scenarios that are not indicated by the use of a modifier in coding.