AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2021 Issue 3; Ask the Editor

Revision Total Knee Arthroplasty

A patient presents with aseptic mechanical loosening of his left total knee prosthesis and has revision surgery. The provider documented that a rotating polyethylene spacer was placed and the tibial and femoral components were built on the back table, then placed and impacted with light cement. We are unsure whether to assign a code for replacement of tibial and femoral components or whether the placement of the rotating polyethylene spacer is coded as placement of an articulating spacer. How should this case be coded? ...

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