ICD-10-PCS Billable Code

0DCM7ZZ

Extirpation Descending Colon to No Qualifier with No Device, Via Natural or Artificial Opening Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemD Gastrointestinal System
OperationC Extirpation
Body PartM Descending Colon
Approach7 Via Natural or Artificial Opening
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation describes the removal of solid material that does not belong in the gastrointestinal tract - things the body did not intend to be there, such as a gallstone lodged in the bile duct, an impacted food bolus stuck in the esophagus, a swallowed foreign object, or an organized blood clot. Unlike excision, nothing is cut away from the wall of the organ itself; the abnormal material is simply located and taken out, often through an endoscope passed down the throat or up through the rectum.

This family of procedures is typically performed urgently or semi-urgently, since retained solid matter in the GI tract can cause obstruction, perforation, or bleeding if left in place. A patient who swallowed a coin, is choking on impacted food, or has a clot obstructing an anastomosis after surgery would be treated with an extirpation procedure to clear the passage and restore normal transit.

Anatomy & Axis Detail

Descending Colon

The descending colon runs from the splenic flexure down the left abdominal wall to the sigmoid, carrying increasingly formed stool through a fixed retroperitoneal segment. Extirpation here typically addresses an obstructing fecal impaction, a foreign body, or necrotic debris from an ischemic or perforated segment that cannot be resolved by irrigation alone. Because the descending colon has a limited mesentery and lies close to the spleen, kidney, and ureter, physically freeing and removing the obstructing matter demands careful mobilization to avoid injuring these adjacent structures. The procedure is coded as extirpation only when the material or tissue is cut out or stripped away rather than bypassed, diverted, or resected as a discrete segment; if a length of bowel is removed instead, resection coding applies rather than extirpation.

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.

Coding & Documentation

Documentation should make clear that the material removed was solid matter foreign to the body's normal anatomy, and that it was retrieved intact rather than broken apart first. Operative and endoscopy notes describing basket retrieval, snare retrieval, or forceps removal of a stone, clot, or foreign body typically support this code. The approach - endoscopic versus open - still needs to be captured accurately even though the root operation itself doesn't change.

A frequent assignment error is applying Extirpation when the object was actually fragmented before removal, in which case Fragmentation is the more accurate root operation, or at least needs to be considered alongside it. Coders also sometimes mix up Extirpation with Excision when a stone has become embedded in tissue that also required cutting - in that case the documentation needs careful review to determine whether tissue was excised in addition to the stone being extracted.

Commonly Confused With

FragmentationExtirpation is most often confused with Fragmentation, since both deal with solid matter, but Fragmentation breaks the material into pieces that are typically left in the body or passed naturally, while Extirpation physically removes the material as a whole or in retrieved pieces.
ExtractionIt also overlaps conceptually with Extraction, which uses pulling or stripping force rather than retrieval of loose material - a polyp pulled off by force is an extraction, while a stone lifted out of a duct is an extirpation.
ExcisionExcision is a third point of confusion when foreign material is embedded in tissue that must also be cut.