CPT 27447: Total Knee Replacement
Surgical replacement of the knee joint with prosthetic components including resurfacing of femur and tibia.
Why CPT 27447 Claims Get Denied
Claims billed under CPT 27447 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Medical necessity insufficiently documented
Conservative treatment not adequately tried
Imaging and clinical findings insufficient
Timing or frequency questioned
Billing Tips for CPT 27447
Document severe knee pain, functional limitation, and failed conservative treatment. Include X-ray or MRI showing advanced osteoarthritis. Document operative findings, prosthesis model, and fixation method.
Documentation Requirements
To support a clean claim for CPT 27447, your clinical documentation should include:
Reason for knee replacement
Functional limitations documented
Imaging showing osteoarthritis severity
Conservative treatment attempted and failed
Operative findings
Prosthesis model and components
Fixation method (cemented, press-fit)
Post-operative rehabilitation plan
Common Modifiers for CPT 27447
Reduce CPT 27447 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.