Which section of the HCPCS book helps with coding comprehension by providing definitions?

The glossary section of the HCPCS book is specifically designed to enhance coding comprehension by providing clear definitions of terms and concepts used throughout the coding system. This section serves as a valuable resource for coders, especially when encountering unfamiliar terminology or specific coding jargon. By consulting the glossary, users can clarify definitions and ensure they understand the context and application of various codes, which is essential for accurate coding and billing.

In contrast, the other sections serve different purposes. The National Correct Coding Initiative focuses on preventing improper coding and reducing payment errors by establishing guidelines and edits, rather than providing definitions. The abbreviations and acronyms section clarifies shorthand terms used within coding but does not offer full definitions. The Pub 100 references consist of various publications that provide additional guidance on Medicare policies and coding, but they do not specifically define terms as the glossary does. Therefore, the glossary is the most appropriate section for understanding the definitions related to HCPCS coding.