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Change Omentum to No Qualifier with Drainage Device, External Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | D Gastrointestinal System |
| Operation | 2 Change |
| Body Part | U Omentum |
| Approach | X External |
| Device | 0 Drainage Device |
| Qualifier | Z No Qualifier |
Operation Definition
Taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane
Procedure Overview
This family covers the routine swap of a device that already sits inside a gastrointestinal structure - most often a gastrostomy tube, jejunostomy tube, or a longer-standing nasogastric or nasoenteric feeding tube - for a new one of the same or a similar kind, without cutting or puncturing the skin or gut wall. The original access route, whether a stoma tract on the abdominal wall or a tube already threaded through the nose, is simply reused. Patients typically need this because a tube has degraded from months of use, become clogged despite flushing, or is due for a scheduled replacement per the tube manufacturer's guidance.
Because no new opening is created, the procedure is far less invasive than the initial tube placement and is often done at bedside or in a clinic rather than in an operating room.
Anatomy & Axis Detail
Omentum
The omentum is the fatty, apron-like fold of peritoneum draped over the abdominal viscera, valued surgically for its vascularity and capacity to wall off infection or reinforce repairs elsewhere in the abdomen. A Change procedure involving the omentum applies when a device placed within or adjacent to omental tissue - such as a drain positioned to manage a localized collection - is removed and replaced through the same existing external access, without additional dissection or repositioning of the omentum itself. This is uncommon compared to change procedures on tubular structures, since the omentum is not typically instrumented directly but rather serves as a site where drains or catheters are anchored during other abdominal procedures. Documentation should clarify that the device's original tract was reused rather than newly created.
Approach: External
External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.
Device: Drainage Device
Drainage Device denotes a device such as a tube or catheter left in place to remove fluid, blood, or air from a body part or cavity following a procedure. It is distinguished from Monitoring Device, which senses and records physiologic data rather than evacuating substances from the body.
Coding & Documentation
A coder assigns from this family when the documentation shows an existing device removed and a replacement device of similar type inserted through the same, already-established external opening - not a new puncture, incision, or endoscopic placement. Notes should specify the device that came out, the device that went in, and confirm the route was the pre-existing tract. The most common assignment error is coding a percutaneous endoscopic gastrostomy tube exchange as Insertion when it was actually a like-for-like swap through an established stoma - Change applies only when no cutting or puncturing occurs. Another frequent mistake is missing the distinction between a simple bedside exchange and a case where the tract itself was dilated or revised, which would point to a different root operation.