ICD-10-PCS Billable Code

0SUD07Z

Supplement Knee Joint, Left to No Qualifier with Autologous Tissue Substitute, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemS Lower Joints
OperationU Supplement
Body PartD Knee Joint, Left
Approach0 Open
Device7 Autologous Tissue Substitute
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

Knee Joint, Left

The left knee joint mirrors the right in its femorotibial and patellofemoral architecture and its reliance on ligamentous and meniscal support for stable motion. Supplement procedures on the left knee augment existing joint structures with graft or synthetic material, for example meniscal allograft transplantation or osteochondral scaffold placement to fill a cartilage defect, rather than removing and replacing the joint surfaces as in arthroplasty. These procedures are typically chosen for younger patients or isolated compartment disease where preserving the native joint is a priority, and they are frequently performed alongside ligament reconstruction after sports-related injury. Laterality must be documented precisely, since the left knee joint carries its own distinct body part value separate from the right, despite identical surgical technique and indications.

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: Autologous Tissue Substitute

Autologous Tissue Substitute identifies a device value where material harvested from the patient's own body, such as an autograft, is used to replace or reconstruct a body part. Its defining feature is tissue origin from the patient, setting it apart from Nonautologous Tissue Substitute, sourced from a donor or animal, and Synthetic Substitute, made of manufactured material.

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.