ICD-10-PCS Billable Code

0DMK4ZZ

Reattachment Ascending Colon to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemD Gastrointestinal System
OperationM Reattachment
Body PartK Ascending Colon
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Putting back in or on all or a portion of a separated body part to its normal location or other suitable location

Procedure Overview

This family describes putting a portion of the digestive tract that has been separated from the body, typically through trauma, back into its normal anatomic position and reconnecting it. It applies almost exclusively to situations where a segment of the gastrointestinal tract has been severed, most commonly a traumatic injury that transects part of the bowel or, less commonly, the esophagus, and the surgeon reattaches the separated piece rather than removing it permanently.

Because the gastrointestinal tract is not typically amenable to replantation in the way a severed limb or digit is, this family is used less often than Reattachment codes in other body systems, but it does apply when a segment of bowel is physically detached and then surgically rejoined to restore continuity. Patients encountering this procedure are almost always in an urgent or emergent surgical setting following significant abdominal trauma, rather than a planned elective context.

Anatomy & Axis Detail

Ascending Colon

The ascending colon runs from the cecum to the hepatic flexure along the right side of the abdomen, fixed in place by peritoneal attachments to the posterior abdominal wall, and reattachment here involves rejoining a transected portion of this segment to itself after trauma, an inadvertent division during adjacent surgery, or reversal of a prior temporary separation. Its retroperitoneal fixation means mobilization is often required before the ends can be brought together without tension, and blood supply from the ileocolic and right colic vessels must be preserved to support healing at the reattachment site. This code is used specifically when the ascending colon is named in documentation, distinguishing it from the broader right large intestine or nonspecific large intestine values.

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.

Coding & Documentation

Coders should look for clear documentation that a body part was completely separated from the patient and then physically reattached to reestablish its normal location and continuity, as opposed to two ends of bowel that remained attached to the body being reconnected after a planned resection, which is coded as an anastomosis under a different root operation such as Repair. The distinction hinges on whether the segment was ever fully detached from its blood supply and surrounding structures. A frequent misstep is assigning Reattachment to routine bowel anastomoses performed after a resection, when in fact the correct root operation there is typically Repair or is inherent to the resection procedure itself, since the two ends were never separated from the body as independent parts. Operative notes describing trauma repair, avulsion injuries, or reimplantation of a detached segment are the strongest indicators that Reattachment is the correct family.

Commonly Confused With

RepairReattachment is most often confused with Repair, since both can involve reconnecting bowel ends - the key difference is that Reattachment requires the body part to have been completely separated from the body first, while Repair addresses a defect or disruption without full detachment.
TransferIt can also be confused with Transfer or Transplantation in other body systems, but within the gastrointestinal system those root operations are essentially unused, making Repair the primary code family to distinguish it from.