ICD-10-PCS Billable Code

0SUK3KZ

Supplement Tarsometatarsal Joint, Right to No Qualifier with Nonautologous Tissue Substitute, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemS Lower Joints
OperationU Supplement
Body PartK Tarsometatarsal Joint, Right
Approach3 Percutaneous
DeviceK Nonautologous 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

Tarsometatarsal Joint, Right

The right tarsometatarsal joints, commonly called the Lisfranc joint complex, connect the midfoot's cuneiforms and cuboid to the metatarsal bases and are critical to transferring push-off force during walking; when ligamentous injury or degenerative change compromises this complex, surgeons may supplement it with graft material to reinforce the joint capsule or interosseous ligaments without performing a fusion. This approach is chosen when enough native joint function remains that augmentation, rather than arthrodesis, can restore stability. Because Lisfranc injuries are notorious for subtle instability that worsens over time if undertreated, documentation should specify the exact tarsometatarsal articulation reinforced and the graft material used, since these joints are frequently injured together but coded individually.

Approach: Percutaneous

Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.

Device: Nonautologous Tissue Substitute

Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than 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.