AMA CPT® Assistant - 2025 Issue 12 (December)
Reporting New Osteotomy Codes (27458, 27713)
December 2025 pages 1-25 Reporting New Osteotomy Codes (27458, 27713) For the Current Procedural Terminology (CPT®) 2026 code set, two new codes (27458, 27713) have been established in the Musculoskeletal subsection of the Surgery section. Code 27458 has been added to the Femur (Thigh Region) and Knee Joint subsection to report osteotomy of the femur, and code 27713 has been added to the Leg (Tibia and Fibula) and Ankle Joint subsection to report osteotomy of the tibia. Both codes include the insertion of an externally controlled, intramedullary lengthening device. This article provides an overview of the intent and...
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Article Overview
This article explains the scope and reporting context for two new CPT 2026 musculoskeletal surgery codes introduced for femoral and tibial osteotomy procedures involving externally controlled intramedullary lengthening devices. It is intended for coding professionals, billers, and clinical documentation teams who need to understand what changed in the code set, how the new code families are organized, and how the article’s clinical examples illustrate typical use cases.
Why This Topic Matters
The article is relevant because new procedure codes can affect documentation review, charge capture, and coding workflows for orthopedic lengthening procedures. It also helps readers understand the broader CPT changes affecting long-bone reconstruction and the relationship between the new codes and related existing code families.
Article Sections
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December 2025 pages 1-25
Publication and page reference information for the article.
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Femur (Thigh Region) and Knee Joint
Discussion of the femur-related CPT section where one of the new musculoskeletal surgery codes is placed, along with surrounding code-family context.
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Leg (Tibia and Fibula) and Ankle Joint
Discussion of the tibia and fibula CPT section where the other new code is placed, along with surrounding code-family context.
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Clinical Example (27458)
A representative femoral clinical scenario illustrating the type of case addressed by the new code family.
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Description of Procedure (27458)
A procedural walkthrough associated with the femoral clinical example, presented to show the general operative setting and workflow.
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Clinical Example (27713)
A representative tibial clinical scenario illustrating the type of case addressed by the new code family.
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Description of Procedure (27713)
A procedural walkthrough associated with the tibial clinical example, presented to show the general operative setting and workflow.
What You Will Learn
- How the article frames the new CPT 2026 musculoskeletal surgery additions
- Which anatomic code families are affected
- What broad documentation and workflow topics are discussed
- How the article uses clinical examples to illustrate the code updates
Who Should Read This
- Medical coders
- Coding educators
- Orthopedic billing staff
- Clinical documentation improvement teams
- Practice managers
Codes Discussed
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