ICD-10-PCS Billable Code

0DWE77Z

Revision Large Intestine 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
OperationW Revision
Body PartE Large Intestine
Approach7 Via Natural or Artificial Opening
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

Procedure Overview

Revision procedures address a gastrointestinal device that is no longer working the way it should, or has shifted out of its correct position. This covers a wide range of situations, from adjusting or replacing components of a gastric band to repositioning a feeding tube, colostomy appliance anchor, or sphincter device that has migrated after the original placement. The goal is to fix the existing device to the extent possible rather than remove it outright and start over.

These operations are usually driven by a complication of an earlier procedure - erosion, slippage, leakage, or mechanical failure of hardware such as a band, port, or reservoir. A surgeon may tighten, loosen, reposition, or partially replace parts of the device during the same operative session, often using imaging to confirm the device's location before and after the correction.

Because revision responds to a problem with something already implanted, it is closely tied to the patient's surgical history, and documentation of the original device and the nature of its malfunction guides the current treatment plan.

Anatomy & Axis Detail

Large Intestine

The large intestine extends from the cecum through the colon, and revision procedures here most often involve repositioning or correcting devices such as colonic stents placed for malignant or benign obstruction, or fixing malfunctioning components related to a colostomy that do not fall under ostomy revision procedures classified elsewhere. Because the large intestine's diameter and wall thickness vary considerably along its length, device fit and migration risk differ by segment, and revision addresses displacement or malfunction specific to where the device was originally placed. Where the procedure can be localized to a single named segment such as the sigmoid or ascending colon, that more specific body part is generally preferred, making this broader designation most applicable when the device spans multiple colonic segments.

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 look for operative language stating that a previously placed device was adjusted, repositioned, or repaired, as opposed to fully removed and swapped for a new one, which would instead be coded as separate removal and insertion procedures. Notes describing gastric band port revision, repositioning a slipped band, or correcting a dislodged feeding tube support Revision assignment. A frequent error is defaulting to Revision whenever any device-related surgery occurs, without confirming the device stayed largely in place - if the entire device was taken out and a new one put in, the encounter requires two separate codes rather than one Revision code. Coders should also verify which specific device was addressed when multiple devices are present, such as both a band and a port.

Commonly Confused With

RemovalRevision is often confused with combined Removal and Insertion procedures, which apply when a malfunctioning device is completely replaced rather than corrected in place.
RepairIt also differs from Repair, which addresses a body part damaged by other than intentional means, and from Supplement, which reinforces tissue rather than fixes a device.