ICD-10-PCS Billable Code

0W3H0ZZ

Control Retroperitoneum to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemW Anatomical Regions, General
Operation3 Control
Body PartH Retroperitoneum
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Stopping, or attempting to stop, postprocedural or other acute bleeding

Procedure Overview

Control procedures in this family address bleeding coming from a general anatomical region - such as the abdominal wall, chest wall, pelvic cavity, or retroperitoneum - after surgery or trauma, rather than bleeding traced to one specific organ. The surgeon goes back into the area to locate the source and stop it, often by applying pressure, cautery, clips, or topical hemostatic agents directly to the oozing tissue.

This kind of return trip is usually urgent, done because a patient is showing signs of ongoing blood loss, a falling blood count, or a growing hematoma after an initial procedure. The goal is simply to stop the bleeding at its source, not to repair or remove any structure.

Anatomy & Axis Detail

Retroperitoneum

The retroperitoneum is the space behind the peritoneal lining containing the kidneys, ureters, great vessels, and pancreas, an area where postoperative or traumatic bleeding can be difficult to detect early because the space accommodates significant blood accumulation before symptoms appear. Control is coded when hemorrhage in this compartment is diffuse across tissue planes rather than from a single named vessel, addressed through evacuation of hematoma, cautery, and hemostatic packing during surgical exploration. Bleeding here frequently follows renal surgery, retroperitoneal lymph node dissection, or trauma to the flank, and its deep, poorly compressible location often necessitates a dedicated surgical approach rather than percutaneous management. This code excludes bleeding from a specific great vessel requiring formal repair.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

Coding & Documentation

Coders assign from this family when documentation shows a return to the operative or injured site specifically to achieve hemostasis in a general body region, and no more specific organ or structure is named as the bleeding source. The operative note should describe exploration for a bleeding site and the method used to control it, such as packing, cautery, or a hemostatic agent.

The most frequent mix-up is applying Control when the surgeon actually identified and repaired a specific bleeding vessel or organ, which should instead be coded to the root operation reflecting that repair (such as Repair or Resection) rather than Control. Another common slip is coding Control for bleeding managed during the original procedure itself, since this root operation is reserved for a distinct effort to stop bleeding, often on a return trip to the operating room.

Commonly Confused With

RepairControl is easily confused with Repair, which applies once the source of bleeding is identified as a specific vessel or structure and something is done to fix that defect - if the note names a torn vessel that gets sutured, that's Repair, not Control.
ResectionIt also overlaps conceptually with Resection or Excision performed to remove a bleeding mass, where stopping bleeding is a byproduct of removing tissue rather than the primary aim.