ICD-10-PCS Billable Code

02UJ4JG

Supplement Tricuspid Valve to Atrioventricular Valve, Right with Synthetic Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System2 Heart and Great Vessels
OperationU Supplement
Body PartJ Tricuspid Valve
Approach4 Percutaneous Endoscopic
DeviceJ Synthetic Substitute
QualifierG Atrioventricular Valve, Right

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 enhance a portion of the heart or a great vessel without removing the existing structure. Common examples include patch repair of a septal defect, reinforcing a weakened area of the aortic wall, or placing material to strengthen a valve annulus during repair.

The goal is to shore up tissue that is present but insufficient on its own, whether because of a congenital hole, an aneurysm that has thinned the vessel wall, or a valve structure that needs extra support to function properly. Unlike a replacement, the body's own tissue stays in place and the added material works alongside it.

Patients typically encounter this term in the context of congenital defect closures, aortic aneurysm repairs, and valve repair techniques that use patches, rings, or other reinforcing materials rather than swapping out the whole valve or vessel.

Anatomy & Axis Detail

Tricuspid Valve

The tricuspid valve, with its three leaflets guarding the opening between the right atrium and right ventricle, is prone to annular dilation and leaflet tethering from right ventricular enlargement, pacemaker lead interference, or endocarditis, particularly in intravenous drug use-associated infections. Supplementing the tricuspid valve involves reinforcing a leaflet or annular region with pericardial or synthetic patch material to restore coaptation, often performed alongside annuloplasty ring placement during functional tricuspid regurgitation repair. Because this valve operates under the lowest pressure of the four cardiac valves, it is more forgiving of patch geometry than the mitral or aortic valve, but recurrent dilation of the right heart chambers over time can still stress the repair. Endocarditis-related leaflet destruction is a particularly common indication requiring patch augmentation to rebuild leaflet surface after debridement of infected tissue.

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.

Qualifier: Atrioventricular Valve, Right

This qualifier identifies the right atrioventricular valve, functionally equivalent to the tricuspid valve, used particularly in congenital heart anatomy where conventional valve naming does not fit. It contrasts with the left atrioventricular valve qualifier by side, and with the common atrioventricular valve qualifier used when a single shared valve is present instead.

Coding & Documentation

Coders assign Supplement when the note documents that material, biological or synthetic, was added to reinforce or augment existing anatomy, such as closing a septal defect with a patch or buttressing a vessel wall. The documentation should identify the material used and confirm that native tissue was not removed and replaced, only strengthened.

The most frequent error is confusing patch closure of a defect, which is Supplement, with actual replacement of a structure, which requires taking out the original part. Another common mistake is missing that some valve repairs combine Supplement for annuloplasty ring placement with Repair for other steps done in the same operative session, each of which needs its own code.

Commonly Confused With

ReplacementSupplement is closely confused with Replacement, where the distinction is whether native tissue is removed, as in Replacement, or left in place and reinforced, as in Supplement.
RepairIt also overlaps with Repair, the default root operation used when no other term fits; if a patch is placed specifically to reinforce or close a defect using added material, Supplement takes priority over Repair.
RestrictionCoders should also distinguish Supplement from Restriction, since a patch that narrows an oversized structure to normal caliber may actually reflect a Restriction if that narrowing is the primary intent rather than reinforcement.