What does NCCI stand for, and what is its purpose?

National Correct Coding Initiative; it lists CPT® codes that are bundled or not reported separately together, which promotes accurate coding and prevents improper reimbursement

National Coding Compliance Index; it lists CPT® codes that must always be billed together, eliminating the need for modifiers

National Coding Compliance Index; it lists CPT® codes that can be appended with modifier 51 to bypass an edit and what other codes can be used instead

National Code Collection Information; it lists CPT® codes and specifies which codes are allowed for repeat procedures