CPT procedure code
CPT 27447: Total knee arthroplasty (TKA)
Procedure code with common scenarios, denial patterns, and appeal guidance.
Code
27447
Category
surgery
Common scenarios
- Knee replacement
Common denial patterns
- BMI threshold (no longer required CMS — appeal)
- Conservative therapy documentation
Frequently asked questions
What is CPT 27447?
Total knee arthroplasty (TKA)
When is it typically billed?
Knee replacement.
What are common denial reasons?
BMI threshold (no longer required CMS — appeal); Conservative therapy documentation.
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