Where can codes for specific procedures or services be listed in the HCPCS index?

The correct choice indicates that codes for specific procedures or services can be found under multiple main terms in the HCPCS index. This structure is designed to provide flexibility and ease of access to coding professionals searching for specific services. Given the complexity and diversity of healthcare services, it is essential that codes can be located under various relevant terms to ensure that users can quickly find the information they need.

For example, a single procedure may be associated with different terms based on different contexts (such as various specialties or settings), which facilitates finding the appropriate code more easily. This comprehensive indexing supports accurate coding and billing, ultimately contributing to effective diagnosis and treatment processes.

The other choices suggest limited availability or accessibility to codes, which does not reflect the design and intent of the HCPCS indexing system. Therefore, the robustness of the index allows for a more efficient coding experience.