AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 2; Ask the Editor

Exchange of Tibial Polyethylene Component with Stabilizing Insert (Tibial Tray)

The patient presented with an infected internal left knee joint prosthesis and underwent arthrotomy of left knee, tricompartmental synovectomy, and tibial polyethylene component exchange with anterior stabilizing insert. The existing polyethylene tibial component was removed. Posterior compartment synovectomy was performed, and a larger polyethylene tibial component with anterior stabilization (tibial tray) insert was implanted. According to research, a mobile bearing knee (rotating platform knee) indicates that the polyethylene liner is not fixed but is free to rotate on a smooth tibial tray. The ICD-10-PCS does not provide a device value for tibial tray. Would it be appropriate to use the root operation “Supplement” along with the device value “Liner”? Coding Clinic Fourth Quarter 2016, pages 111-112 advised to use the root operation “Supplement” for the replacement of a hip joint liner. What are the correct ICD-10-PCS codes for this case? ...

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