CPC STUDY COURSE · 2026 EDITION
Active fracture treatment after temporary emergency stabilization
Read an original fictional chart, identify the supported facts, and explain your coding workflow.
Chart gym · Original fictional record
Service date: 2026-09-08 · Professional outpatient claim; Original Medicare unless stated otherwise
Use your code books and write your reasoning before opening the walkthrough. This exercise contains no real patient information.
Injury and earlier care
Fictional patient Daniel Moss, age 54, tripped on a loose rug at home three days ago and landed on his outstretched right hand. The emergency department diagnosed a closed displaced Colles fracture of the right distal radius, applied a temporary splint and referred him to orthopedics. No reduction was performed there. There is no other fracture, open wound, retained foreign body or documented pathological cause.
Orthopedic planning
The orthopedist reviewed the fracture and selected closed manipulation at a prior planning encounter. Today is the scheduled definitive reduction, not a routine healing visit. The current packet includes the earlier imaging report and the orthopedist’s confirmed diagnosis. The worksheet concerns today’s procedure; any separately supported service from the earlier planning date belongs to that date’s record.
Preprocedure assessment
The physician verifies the right side and planned treatment. The skin remains intact. Finger motion, sensation and perfusion are documented before reduction. There is no new unrelated problem requiring a separate evaluation. The routine reassessment confirms that the planned procedure can proceed. An independently reporting anesthesia professional provides the anesthesia service.
Completed treatment
The orthopedist performs closed manipulation of the right distal radius fracture and achieves the documented alignment without an incision, percutaneous pins or internal fixation. A short-arm cast is applied to maintain the reduction. Postreduction imaging is obtained and interpreted by a separately reporting radiology service. The orthopedist documents intact neurovascular findings after casting and assumes the subsequent fracture follow-up.
Coding desk
The proposed claim uses a subsequent-encounter diagnosis because this is the patient’s third visit since the fall. It also adds a separate cast-application procedure to the fracture treatment. Review the encounter character based on the treatment phase, identify the definitive treatment technique and determine which work is included. Consider external-cause reporting under applicable requirements; do not invent details beyond the documented fall.
Your coding worksheet
- Identify the reason for this encounter and the supported diagnoses.
- List the services actually completed and the applicable code sets.
- Use your books to select final codes, units and any supported modifiers.
- Sequence the diagnoses and explain the relevant instruction.
- Review included work and any separate coverage question. Explain why the strongest alternative does not fit.
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 confirmed injury is a closed Colles fracture of the right radius. The Index directs to S52.53-, and the right-sided Tabular branch is S52.531. The category requires a seventh character.
- Today includes active definitive manipulation, so the closed-fracture initial-treatment character A applies: S52.531A. The number of earlier visits does not turn active treatment into routine healing.
- Use the licensed closed-fracture treatment entry that matches the distal-radius site and manipulation. The record excludes open and percutaneous treatment; do not choose those approaches because the fracture was displaced.
- The initial cast application is included with the fracture treatment under NCCI IV G.3–7. A separate application procedure does not become reportable merely because the casting has its own note. Assess any supply reporting separately under the applicable setting and payer rules.
- The orthopedist does not claim the independently provided anesthesia or radiologist’s interpretation as personal work. The routine preprocedure reassessment does not by itself establish a separate E/M service today.
- Document the fall mechanism and apply any applicable external-cause requirements using the appropriate current entries. Do not make an unsupported location or activity more specific. The main injury sequence begins with the treated fracture; external-cause information does not replace it.
Reference sections: S52.531 with seventh character A; ICD I.C.19; NCCI IV G.3–7
Practice the linked chart questions
Review the lesson
- Read a chart from start to finish
- Fractures, dislocations, casts and splints
- Chapter guidance: pregnancy, injuries and other encounters
Sources
- CDC NCHS — ICD-10-CM April1,2026 Index and Tabular XML. April1–September30,2026. Accessed 2026-09-12.
- CDC/NCHS and CMS — ICD-10-CM April 1 2026 Guidelines. FY2026 April. Accessed 2026-09-10.
- CMS — Medicare NCCI 2026 Chapter IV: Musculoskeletal System. 2026. Accessed 2026-09-10.