Description
The National Correct Coding Initiative data tables define the national correct coding methodologies based on coding conventions defined in the American Medical Association's Current Procedural Terminology (CPT) Manual, current standards of medical and surgical coding practice, input from specialty societies and analysis of current coding practice.

NCCI edits are pairs of CPT or HCPCS Level II codes that are not separately payable except under certain circumstances. The edits are applied to services billed by the same provider for the same beneficiary on the same date of service. All claims are processed against the NCCI tables.

In the Comprehensive & Component table, the "comprehensive code" represents the major procedure or service when reported with another code. When reported with another code, "column 1" generally represents the code with the greater payment of the two codes.

Within the mutually exclusive edits table, "column 1" code generally represents the procedure or service with the lowest work RVU, and is the payable procedure or service when reported with another code