The 3rd character refers to the root operation or the objective of the procedure.

Joints

  • XRG - Fusion

    Joining together portions of an articular body part rendering the articular body part immobile — The body part is joined together by fixation device, bone graft, or other means

  • XR2 - Monitoring

    Determining the level of a physiological or physical function repetitively over a period of time