ICD-10-PCS Billable Code

0SUH4JZ

Supplement Tarsal Joint, Right to No Qualifier with Synthetic Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemS Lower Joints
OperationU Supplement
Body PartH Tarsal Joint, Right
Approach4 Percutaneous Endoscopic
DeviceJ Synthetic 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

Tarsal Joint, Right

The tarsal joints, the cluster of articulations among the calcaneus, talus, navicular, and cuboid on the right foot, form the arch and absorb shock across midfoot inversion and eversion; when their supporting ligaments or cartilage surfaces weaken from flatfoot deformity, arthritis, or old trauma, supplement procedures reinforce these small but load-bearing joints with graft or synthetic material. Given how many discrete articulations sit within this region, coders must pin down exactly which tarsal joint received the graft, since the tarsal grouping spans several separate articulations that are coded individually. The midfoot's role in maintaining the longitudinal arch means even a small augmentation can meaningfully affect gait mechanics, making precise documentation of the reinforced surface essential.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

Device: Synthetic Substitute

Synthetic Substitute designates a device made from manufactured, non-biologic material, such as mesh or prosthetic components, used to replace or augment a body part. It is distinguished from the two tissue substitute categories by its artificial composition, which carries different considerations for integration and long-term durability than biologic grafts.

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.