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Supplement Hip Joint, Acetabular Surface, Left to No Qualifier with Resurfacing Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | U Supplement |
| Body Part | E Hip Joint, Acetabular Surface, Left |
| Approach | 0 Open |
| Device | B Resurfacing Device |
| Qualifier | Z No Qualifier |
Operation Definition
Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part
Procedure Overview
Supplement procedures add biological or synthetic material to reinforce or augment a lower joint that is still structurally present but needs additional support. Ligament reconstruction, such as an ACL or PCL graft in the knee, is the classic example, along with labral augmentation in the hip or cartilage grafting. Unlike replacement, the native joint stays in place; the surgery strengthens a weakened or torn portion of it.
Grafts can come from the patient's own tissue, a donor, or synthetic material, and the choice often depends on age, activity level, and the structure being reinforced. These procedures are common after athletic injuries, aiming to restore stability so the joint can withstand normal or athletic loads again.
Anatomy & Axis Detail
Hip Joint, Acetabular Surface, Left
The left hip joint acetabular surface is the socket component of the left hip, the concave portion of the pelvis lined by articular cartilage that cradles the femoral head. Supplement procedures here address deficient or eroded acetabular bone stock by placing structural bone graft, morselized allograft, or synthetic augment material to restore surface integrity, a technique frequently used in revision hip arthroplasty or in dysplastic hips where the native socket provides inadequate femoral head coverage. This is distinguished from replacement, in which the entire acetabular surface is removed and substituted with a prosthetic component, and from the more general left hip joint body part used when augmentation is not confined to the socket alone. Precise operative documentation of the graft material and the specific surface treated supports correct selection among these closely related codes.
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: Resurfacing Device
A Resurfacing Device is used to cap or recontour a joint surface while preserving more of the native bone than a total replacement, as in hip resurfacing where a metal cap is fitted over the femoral head instead of removing it. This bone-conserving approach contrasts with full Synthetic Substitute devices that replace the entire joint component, and with a Liner, which is an internal wear surface rather than a surface-capping implant.
Coding & Documentation
Coders assign Supplement when documentation shows material was added to reinforce an existing body part rather than substitute for it, which requires confirming the native structure was not removed. Graft type, whether autograft, allograft, or synthetic, factors into the device value. A recurring mistake is coding a ligament reconstruction as Repair when a formal graft was placed, or conversely coding Supplement when the graft actually replaced a joint surface rather than reinforcing intact tissue.