ICD-10-PCS codes provide so much more detail than their ICD-9 counterparts.

If you are new to the world of healthcare terminologies, you will learn quickly that there are many of them, each with its individual terminology model (content structure and organization), area(s) of focus, release schedule and format, language, and other characteristics.

Many organizations map between different US procedure coding systems (CPT®, ICD-9-CM, ICD-10-PCS) for multiple use cases.