Final answer:
The statement is true; the 'Includes note' offers guidance on the range of conditions covered by a particular chapter or block of codes, which is crucial for proper medical coding.
Step-by-step explanation:
When the Includes note appears after the start of a chapter or block title in medical coding systems, such as the International Classification of Diseases (ICD), the note is guiding coding professionals and healthcare providers on the coverage scope of the chapter or block of codes. The statement is true. An Includes note is instructional and is meant to clarify the types of conditions, illnesses, or circumstances that fall within a specific classification, ensuring correct application of medical codes for diagnoses or procedures.