Table 1.

Operation and procedure classification system code descriptions

Operation and procedure classification system code	Description
5-823.1	Exchange of unicondylar prosthesis
5-823.10 + 5-823.11	Exchange of unicondylar prosthesis to unicondylar prosthesis
5-823.19	Inlay exchange
5-823.1a + 5-823.1b + 5-823.1c	Exchange of unicondylar prosthesis to bicondylar surface replacement prosthesis
5-823.1d + 5-823.1e + 5-823.1f	Exchange of unicondylar prothesis to femoral and tibial shaft-anchored prosthesis
5-823.1x	Exchange of unicondylar prosthesis to other