ICD-10-PCS Billable Code

0DUC77Z

Supplement Ileocecal Valve to No Qualifier with Autologous Tissue Substitute, Via Natural or Artificial Opening Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemD Gastrointestinal System
OperationU Supplement
Body PartC Ileocecal Valve
Approach7 Via Natural or Artificial Opening
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 gastrointestinal structure that remains in place, rather than removing or replacing it. The most familiar example is hernia repair using mesh, where the natural tissue defect is closed and then bolstered with a synthetic patch to reduce the chance of recurrence, but the category also includes reinforcement of a weakened rectal wall or augmentation of tissue around a stoma to improve support.

This approach is chosen when the underlying organ is structurally sound enough to remain but needs extra strength or bulk to function reliably going forward. It differs fundamentally from procedures that cut away diseased tissue, since the native anatomy stays intact and the added material works alongside it rather than substituting for it.

Anatomy & Axis Detail

Ileocecal Valve

The ileocecal valve is the sphincter-like fold at the junction of the terminal ileum and cecum that regulates flow into the colon and limits reflux of colonic contents back into the small bowel. Supplement here is used when the native valve tissue is present but functionally or structurally deficient, as after partial resection, congenital laxity, or ulceration, and augmentation with autologous tissue, cadaveric graft, or synthetic mesh restores competence of the junction. Because the valve sits at a high-traffic transition point between two physiologically distinct bowel segments, reinforcing it can help preserve normal transit time and reduce bacterial overgrowth or reflux ileitis. Coding requires distinguishing this reinforcement of existing valve anatomy from creation of a new valve mechanism or resection procedures performed at the same site.

Approach: Via Natural or Artificial Opening

Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.

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 should confirm that the operative note describes material being added to reinforce or augment existing tissue that was not removed, with the specific material named, such as polypropylene mesh or a biologic graft. Supplement frequently appears alongside Repair in hernia surgery, and the two must be sequenced or combined correctly depending on whether the defect closure and reinforcement are described as a single combined objective or separate steps. A common error is coding a mesh-reinforced repair purely as Repair, omitting the Supplement component, or conversely coding Supplement when the mesh was actually used to bridge a defect where tissue was removed, which would instead point toward Replacement. Documentation should also clarify the approach, since mesh placement can occur open, laparoscopically, or via a percutaneous endoscopic technique.

Commonly Confused With

ReplacementSupplement is most often confused with Replacement, where the original tissue is excised and the graft material takes over its function entirely rather than reinforcing tissue left in place.
RepairIt is also distinguished from Repair, which restores a defect using the body's own tissue without added material, though both may be documented together in the same operative episode.