When selecting a code for the revision of the right shoulder joint, what term should a coder reference in the Index?

When selecting a code for the revision of the right shoulder joint in the ICD-10-PCS coding system, referencing the term "Shoulder" in the Index is crucial because it directly relates to the anatomical site involved in the procedure. The Index is organized such that the anatomical terms are the primary reference points for locating appropriate codes.

By searching under "Shoulder," a coder can efficiently find codes regarding surgical procedures specifically related to the shoulder joint, including revisions. This is essential because the codes for different joints, such as the knee or hip, would not apply in this scenario; therefore, focusing on the specific joint affected allows for precise coding.

In contrast, while "Joint" is a relevant term, it is too broad and encompasses all types of joints in the body, which wouldn’t lead to the most accurate code selection for the specific procedure being referenced. The term "Revision" may describe the type of surgery being performed but does not indicate which anatomical site is being addressed; similarly, "Surgery" is excessively general and not specific to the shoulder. Thus, utilizing the term "Shoulder" ensures that the coding process is targeted and correct, leading to improved specificity in recorded health data.