CPC STUDY COURSE · 2026 EDITION
The cast comes off in the same practice
Read an original fictional chart, identify the supported facts, and explain your coding workflow.
Chart gym · Original fictional record
Service date: 2026-09-09 · Medicare musculoskeletal professional service
Use your code books and write your reasoning before opening the walkthrough. This exercise contains no real patient information.
Follow-up context
A fictional adult returns to the orthopedic practice after treatment of a left forearm fracture. The practice applied the original cast during the earlier treatment encounter and retains the application record.
Current assessment
The clinician evaluates healing and authorizes cast removal. A trained staff member removes the cast under the practice’s usual workflow. This employee did not personally apply the original cast, but both employees work for the same practice entity.
Device record
The note describes removal only. It does not document a replacement cast, a separate repair of the device or treatment at an unrelated site. Any evaluation or rehabilitation work would require its own documentation and applicable global-period review.
Proposed billing
A proposed cast-removal line is justified solely by the fact that the employee differs from the original applicator. The learner must decide whether that personnel change satisfies the NCCI different-entity condition.
Your coding worksheet
- Identify the entity that applied and removed the cast.
- Separate an employee change from an entity change.
- Distinguish removal from replacement.
- Apply the current removal inclusion without inventing another service.
In your notebook, record the supported facts, your index route, the instructions you checked, and any missing detail that limits your answer.
Compare with the worked explanation
- The same practice applied and removed the device.
- A different employee within that entity does not satisfy a different-entity condition.
- The record establishes removal, not replacement or another device service.
- NCCI includes the subsequent removal by the same entity in the original application relationship. Other work needs its own actual record and review.
Reference sections: G.1
Practice the linked chart questions
Review the lesson
Sources
- CMS — Medicare NCCI 2026 Chapter IV: Musculoskeletal System. 2026. Accessed 2026-09-10.