ICD-10-PCS Billable Code

0SUA0BZ

Supplement Hip Joint, Acetabular Surface, Right to No Qualifier with Resurfacing Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemS Lower Joints
OperationU Supplement
Body PartA Hip Joint, Acetabular Surface, Right
Approach0 Open
DeviceB Resurfacing Device
QualifierZ 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, Right

The right hip joint acetabular surface refers specifically to the cup-shaped socket portion of the pelvis that receives the femoral head, distinct from the ball-side femoral component and from the hip joint as a whole. Supplement procedures targeting this surface place bone graft, structural allograft, or synthetic augment material to build up a deficient or eroded socket, commonly encountered in revision hip surgery, dysplastic hips with shallow acetabular coverage, or after removal of a failed component that leaves a bony void. This differs from acetabular replacement, where the entire socket surface is excised and substituted with a prosthetic cup. Because acetabular bone stock directly affects the stability of any subsequent implant, accurate documentation of the graft type and the extent of surface augmented is important for correct code assignment.

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.

Commonly Confused With

RepairSupplement is most often confused with Repair, since both can appear in operative notes for ligament work; the distinction is whether material was grafted in to reinforce the structure versus simply resutured or tightened without added tissue.
ReplacementIt also borders Replacement when a graft is extensive enough to functionally substitute for the original structure rather than reinforce it.