What classification does the ICD-10-CM/PCS system exemplify?

The ICD-10-CM/PCS system exemplifies a closed classification system, meaning that it has a predetermined number of codes and categories established by the World Health Organization (WHO) and the Centers for Medicare & Medicaid Services (CMS). This structure allows for the systematic categorization of diseases, conditions, and procedures, providing clear guidelines on how to assign codes based on specific clinical scenarios.

In a closed classification system, all potential coding scenarios are anticipated, and any new conditions or changes in the medical field are typically addressed through updates and revisions of the system rather than creating new codes outside the established framework. This enables consistent data reporting and analysis across various healthcare settings.

In contrast to open classifications, which allow for the introduction of new codes as new diseases or conditions arise without a predetermined framework, a closed classification ensures uniformity and reduces variability in coding practices. The other options, such as unrestricted condition coding and variable condition coding, imply a level of flexibility and adaptability that does not align with the structured approach of ICD-10-CM/PCS. This distinction is crucial for accurate medical coding and effective communication among healthcare professionals.