ICD-10-PCS Billable Code

0DB70ZX

Excision Stomach, Pylorus to Diagnostic with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemD Gastrointestinal System
OperationB Excision
Body Part7 Stomach, Pylorus
Approach0 Open
DeviceZ No Device
QualifierX Diagnostic

Operation Definition

Cutting out or off, without replacement, a portion of a body part

Procedure Overview

Excision procedures in the gastrointestinal system remove a piece of tissue from an organ such as the esophagus, stomach, small intestine, large intestine, rectum, or anus while leaving the rest of that organ in place. A surgeon might take a wedge of stomach wall, a section of colon, or a biopsy sample from the rectum, depending on what the excision is meant to accomplish. Because only a portion of the body part is removed, the organ continues to function afterward, even if it heals with a smaller working segment.

These procedures serve two very different purposes that patients should understand are grouped under the same term. One is diagnostic: a small biopsy taken from a suspicious polyp, ulcer, or mass so a pathologist can examine it under a microscope. The other is therapeutic: cutting away diseased or damaged tissue, such as a bleeding lesion or a localized tumor, to treat the problem directly. A biopsy and a partial-thickness resection of a polyp are both excisions, even though one is exploratory and the other is corrective.

Anatomy & Axis Detail

Stomach, Pylorus

The pylorus is the muscular, valve-like outlet at the stomach's distal end that regulates gastric emptying into the duodenum, and its thickened circular muscle layer makes it the classic site of hypertrophic pyloric stenosis in infants as well as a common location for peptic ulcers and, less often, tumors in adults. Excising tissue specifically from this segment is distinguished from generic gastric excision because of the pylorus's distinct sphincteric function, and removing even a limited portion can affect gastric emptying if the muscular ring is disrupted. Surgeons approaching this region must be mindful of the nearby pyloric branch vessels and the risk of narrowing the outlet further with scarring. Documentation specifying pyloric involvement, whether from an ulcer excision or a localized mass biopsy, is what supports assigning this body part rather than the broader stomach code.

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.

Qualifier: Diagnostic

Applied chiefly to Excision, this qualifier marks that tissue was removed specifically for diagnostic purposes, i.e., a biopsy intended for pathologic evaluation rather than to treat disease. It distinguishes biopsy-type excisions from therapeutic excisions of the same body part, which are coded without this qualifier even though the physical technique may be identical.

Coding & Documentation

Coders assign an excision code when the documentation confirms that only part of a gastrointestinal body part was cut out, not the whole thing and not just its lining. The operative note should identify the specific site (jejunum versus ileum, sigmoid colon versus rectum) and describe the tissue as being removed rather than destroyed in place, since fulguration or ablation belongs under Destruction instead. Pathology reports are useful corroborating documentation, especially for polypectomies and biopsies performed during endoscopy.

The most frequent error is confusing a partial excision with a resection when an entire tubular segment, such as the whole appendix or gallbladder, has actually been taken out - that scenario calls for Resection, not Excision. Another common slip is coding a biopsy taken through an endoscope without capturing the qualifier that distinguishes a diagnostic excision, or missing that multiple biopsy sites within the same operative episode may each need separate consideration depending on payer and coding guideline requirements.

Commonly Confused With

ResectionExcision is easily confused with Resection, since both remove tissue: Resection applies only when an entire body part is cut out with no residual portion left behind, while Excision leaves part of the organ intact.
DestructionIt is also confused with Destruction, which eliminates abnormal tissue using energy, heat, or chemicals without physically removing the specimen - if nothing is sent to pathology and no tissue is extracted, Destruction is usually the correct root operation.
ExtractionExtraction, which pulls or strips tissue out using force rather than cutting, is a further distinction to watch for in procedures like foreign body or clot removal that superficially resemble excisional work.