0SWC08Z
Revision Knee Joint, Right to No Qualifier with Spacer, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | W Revision |
| Body Part | C Knee Joint, Right |
| Approach | 0 Open |
| Device | 8 Spacer |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
Revision procedures correct a malfunctioning device already implanted in a lower joint, or reposition a device that has shifted out of place, without necessarily removing and replacing the whole implant. Examples include tightening a loosened hip component, adjusting a worn knee liner, or repositioning a dislocated joint implant back into alignment. The reason for surgery is a problem with hardware from an earlier operation rather than new injury to native tissue.
These procedures are often needed years after an initial joint replacement, as components can loosen, wear, or shift with normal use. Surgeons aim to fix the specific mechanical problem while preserving as much of the existing implant and surrounding bone as possible, since more extensive revisions carry greater surgical risk and longer recovery.
Anatomy & Axis Detail
Knee Joint, Right
The right knee joint is a hinge-type articulation between the femur and tibia that is commonly replaced with a total knee prosthesis to treat end-stage osteoarthritis or post-traumatic joint destruction, and revision procedures here address complications arising from that prior replacement. Revision is coded when an existing prosthetic component, such as the femoral, tibial, or patellar element, has loosened, worn unevenly, or become unstable and is corrected without full component exchange. Because the knee joint as a whole is a distinct body part from its individual articular surfaces in ICD-10-PCS terminology, documentation should indicate whether the correction involves the joint generally or a specific surface, along with confirming laterality to the right side.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Spacer
In Medical and Surgical procedures, a Spacer is a temporary, non-articulating device left in a joint or space after a component is removed, most often an antibiotic-impregnated cement block placed during a staged joint revision to control infection while preserving space and alignment. It is not intended to move like a real joint. It differs from an Articulating Spacer, which is shaped to permit some motion during the interim period, and from a permanent Synthetic Substitute.
Coding & Documentation
Documentation needs to identify that an existing device was the target of correction, whether through repositioning, adjustment, or partial component exchange, and that the fix did not amount to a full swap of the entire prosthesis. Notes describing loosening, malposition, or component wear typically support Revision. A common error arises when a full component exchange occurs during a documented revision surgery; if the entire device is replaced, the correct root operation is Replacement, even though the surgeon may call it revision arthroplasty.