ICD-10-PCS Billable Code

0TU387Z

Supplement Kidney Pelvis, Right to No Qualifier with Autologous Tissue Substitute, Via Natural or Artificial Opening Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemT Urinary System
OperationU Supplement
Body Part3 Kidney Pelvis, Right
Approach8 Via Natural or Artificial Opening Endoscopic
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 in the urinary system involve reinforcing or augmenting a structure with additional biological or synthetic material rather than replacing it outright. In practice this most often means placing a graft or mesh to strengthen a weakened bladder wall, patching a ureter, or reinforcing tissue around the urethra to restore normal support and function. Surgeons turn to these procedures when a structure is still present and largely functional but has become thin, weak, or unable to hold its shape on its own, for instance after prior surgery, radiation, or chronic strain.

Because the native body part remains in place and is only being reinforced, these operations are generally less invasive than a full reconstruction. Patients may encounter this family of procedures in the context of bladder augmentation for capacity problems, pelvic floor support surgery, or reinforcement of a ureteral repair.

Anatomy & Axis Detail

Kidney Pelvis, Right

Supplementing the right kidney pelvis involves reinforcing or augmenting this collecting structure with autologous tissue, synthetic material, or a substitute graft after it has been weakened, stretched, or partially reconstructed, commonly during repair of a ureteropelvic junction obstruction or following excision of a localized lesion where the native wall alone would be insufficient. This differs from simple repair in that supplemental material physically reinforces the existing structure rather than merely closing a defect with the patient's own unaltered tissue. Given the pelvis's role in funneling urine from the calyces into the ureter, adequate reinforcement is important to prevent stricture or leak at the reconstruction site, and the right-sided anatomy near the duodenum and vena cava informs the surgical corridor used to reach it.

Approach: Via Natural or Artificial Opening Endoscopic

Via Natural or Artificial Opening Endoscopic describes instrumentation introduced through a natural orifice or a surgically created opening while using an endoscope for visualization, as in a routine colonoscopy performed through the anus. It differs from the plain Via Natural or Artificial Opening value by the added scope, and from Percutaneous Endoscopic by using an existing passage rather than a new skin puncture.

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

A coder should look for documentation stating that existing tissue was reinforced or augmented with a graft, mesh, or other material, as opposed to language describing removal and replacement of the structure. Operative notes typically specify the material used (autologous tissue, allograft, or synthetic mesh) and the body part reinforced. The most common assignment error is confusing Supplement with Replacement, which requires that the original tissue be taken out; if any native urinary structure remains in place and is simply bolstered, Supplement is the correct root operation, not Replacement.

Another frequent mistake is selecting Repair instead of Supplement when a graft material was actually added, since Repair is reserved for restoring a body part to its original structure without added material.

Commonly Confused With

ReplacementSupplement is most often confused with Replacement, where the distinguishing factor is whether the native body part is removed (Replacement) or left in place and reinforced (Supplement).
RepairIt is also confused with Repair, which fixes a malfunctioning or damaged part using no additional material, and with Restriction, which narrows a lumen rather than reinforcing a wall.