2 stage revision TKA


Just wondering, total knee arthroplasty that is infected. Physician explants prosthesis and inserts antibiotic spacer. After 10 weeks, infection is cleared, patient taken back to the OR for removal of spacer and revision TKA.

AAOS defines a revision as removing old components and replacing with new in one surgical session. Is the spacer considered a "component"?

Physician states that even if this is a 2 stage procedure, it's a revision and should be coded with 27487. I'm saying it's 27447. I read Mary LeGrand's article in the February 2013 issue of AAOS NOW. It sounds like it is not a revision.

Any comments/feedback/opinions would be greatly appreciated. OR if anyone has any sites they can refer me too that can help clear me understand the process, would help!

Thank you

Penny K. Hanohano, CPC
Physician Liaison

"I can do all things through Him who strengthens me."`Philippians 4:13


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