tci Outpatient Facility Coding Alert - 2018 Issue 2

You Be the Coder: Mark Down These Dx Codes for TKAs

Question: Which ICD-10 codes support medical necessity for knee arthroplasties? Oregon Subscriber Answer: Although TKA codes 27437 (Arthroplasty, patella; without prosthesis) through 27447 (Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)) share a common root, they do not share a common list of acceptable diagnoses across procedures and payers. Don't worry:  If the operative report isn't clear, you can ask your provider to confirm the patient's diagnosis. You can also check out this list of ICD-10 codes that might indicate the provider performed a knee arthroplasty. Experts agree that...

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