ICD-10-PCS Billable Code

0WPH0YZ

Removal Retroperitoneum to No Qualifier with Other Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemW Anatomical Regions, General
OperationP Removal
Body PartH Retroperitoneum
Approach0 Open
DeviceY Other Device
QualifierZ No Qualifier

Operation Definition

Taking out or off a device from a body part

Procedure Overview

This Removal family describes taking out a device that was previously placed in or on a general anatomical region - drains, packing, external fixation devices, or other hardware not tied to a single named organ or bone. It's used when a device has finished its job (a drain removed once output has resolved) or needs to come out for another reason, such as infection or patient intolerance, without anything being put in its place at that encounter.

Because "anatomical regions, general" spans areas like the abdominal wall, chest wall, or an extremity as a whole rather than a specific organ, this family picks up device removals that don't map cleanly to a more specific body system. It's a routine, often bedside or minor-procedure-level event rather than major surgery, though removal of some devices (like external fixators) can itself require anesthesia and operative time.

Anatomy & Axis Detail

Retroperitoneum

The retroperitoneum is the space behind the peritoneal lining that contains the kidneys, ureters, pancreas, duodenum, and great vessels, and it is a common location for drains placed after surgery on these structures, such as nephrectomy, aortic repair, or drainage of a retroperitoneal abscess or hematoma. Removal in this region is coded when the device lies deep to the peritoneum rather than within the peritoneal cavity proper, a distinction that reflects real anatomic depth and affects how the drain was originally placed and tracked. Because this space is bordered by major vasculature and retroperitoneal organs, clinicians typically confirm resolution of the underlying collection with imaging before extraction, and the drain's tract may traverse muscle and fascia that require attention during removal.

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.

Device: Other Device

Other Device is a catchall value used when a device remains in place but does not fit any of the specifically defined categories, such as tissue substitutes, drainage tubes, radioactive elements, or monitoring sensors. It allows coding of implanted or inserted devices that fall outside those named classifications.

Coding & Documentation

Documentation needs to clearly identify the device being removed, the general region it was placed in, and confirm nothing is being implanted to replace it during that same encounter - if a new device goes in at the same time, the case usually needs a Removal and a separate Insertion/Replacement code, or a single Revision or Replacement code depending on what's documented. Coders should also verify whether the removal is being done as a stand-alone procedure or as an incidental step of a bigger operation, since incidental removal of a device to access the surgical field usually isn't coded separately.

A frequent mistake is coding Removal when the device is actually being exchanged for a new one in the same region; that scenario is typically Replacement, not Removal followed by nothing. Another common error is applying a general-region Removal code when the device actually belongs to a specific body system with its own removal code.

Commonly Confused With

RevisionRevision (0WW) is easily confused with Removal because both deal with existing devices, but Revision corrects or adjusts a device that stays in place, while Removal takes the device out entirely.
ReplacementReplacement is the other frequent mix-up: if an old device is taken out and a new one put in during the same operative episode, that combined action is Replacement, not a standalone Removal.