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Official Description

Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; with transendoscopic stent placement (includes predilation)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A small intestinal endoscopy, specifically an enteroscopy, is a procedure that allows for the examination of the small intestine beyond the second portion of the duodenum, which includes the ileum. This procedure is performed using a flexible fiberoptic endoscope, a specialized instrument that provides visualization of the intestinal mucosa. During the procedure, the patient's mouth and throat are numbed with an anesthetic spray to minimize discomfort. A hollow mouthpiece is inserted to facilitate the passage of the endoscope, which is then advanced through the esophagus and into the stomach, and subsequently into the duodenum. The endoscope is carefully guided into the small intestine, where the mucosal surfaces of the duodenum, jejunum, and ileum are thoroughly inspected for any abnormalities, such as lesions or strictures. If a stenosis, or narrowing, is identified, the area may be predilated to prepare for stent placement. The procedure includes the selection and deployment of a transendoscopic stent, which is introduced through the endoscope and positioned in the narrowed segment of the small intestine to alleviate obstruction. Additionally, radiographs may be obtained to assess the stent's expansion and ensure its proper placement within the intestinal lumen.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The small intestinal endoscopy with transendoscopic stent placement is indicated for various conditions that may lead to obstruction or narrowing of the small intestine. These indications include:

  • Stenosis - A narrowing of the intestinal lumen that can cause blockage and impede the passage of intestinal contents.
  • Obstructive lesions - Abnormal growths or masses within the small intestine that may obstruct normal flow.
  • Inflammatory bowel disease - Conditions such as Crohn's disease that can lead to strictures and require intervention.
  • Post-surgical complications - Issues arising from previous surgeries that may result in adhesions or strictures in the small intestine.

2. Procedure

The procedure involves several critical steps to ensure effective examination and treatment of the small intestine. These steps include:

  • Preparation and Anesthesia - The patient is prepared for the procedure, and local anesthesia is administered to numb the mouth and throat, minimizing discomfort during the endoscopic insertion.
  • Insertion of the Endoscope - A hollow mouthpiece is placed in the patient's mouth to facilitate the passage of the flexible fiberoptic endoscope. The endoscope is then carefully inserted and advanced as the patient swallows, allowing it to travel through the esophagus and into the stomach.
  • Advancement into the Small Intestine - Once the endoscope has passed the cricopharyngeal region, it is guided into the duodenum using direct visualization. The endoscope is then advanced further into the jejunum and ileum.
  • Inspection of Mucosal Surfaces - The mucosal surfaces of the duodenum, jejunum, and ileum are thoroughly inspected for any abnormalities, such as lesions or areas of stenosis.
  • Identification and Predilation of Stenosis - If a stenosis is identified, the area is assessed, and predilation may be performed to prepare the site for stent placement.
  • Stent Selection and Placement - The position and length of the stenosis are determined, and an appropriately sized stent is selected. The stent is then introduced through the endoscope and positioned in the narrowed portion of the small intestine before being deployed (expanded) to alleviate the obstruction.
  • Radiographic Evaluation - Following stent placement, separate radiographs are obtained to evaluate the expansion of the stent and ensure that it is properly positioned within the intestinal lumen.

3. Post-Procedure

After the procedure, patients may be monitored for any immediate complications or adverse effects related to the endoscopy and stent placement. Recovery typically involves observation for signs of bleeding, perforation, or infection. Patients may be advised on dietary modifications and follow-up appointments to assess the stent's function and the condition of the small intestine. It is essential to provide instructions regarding any symptoms that should prompt immediate medical attention, such as severe abdominal pain, vomiting, or changes in bowel habits.

Short Descr S BOWEL ENDOSCOPE W/STENT
Medium Descr ENTEROSCOPY > 2ND PRTN W/ILEUM W/STENT PLMT
Long Descr Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; with transendoscopic stent placement (includes predilation)
Status Code Active Code
Global Days 000 - Endoscopic or Minor Procedure
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 3 - Special payment adjustment rules for multiple endoscopic procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Endoscopic Base Code 44376  Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Surgical procedure on ASC list in CY 2007; payment based on OPPS relative payment weight.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P8I - Endoscopy - other
MUE 1
CCS Clinical Classification 70 - Upper gastrointestinal endoscopy, biopsy
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
GC This service has been performed in part by a resident under the direction of a teaching physician
GW Service not related to the hospice patient's terminal condition
Date
Action
Notes
2017-01-01 Changed Moderate (Conscious) Sedation flag removed. See new Moderate Sedation category.
2001-01-01 Added First appearance in code book in 2001.
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