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Official Description

Enterotomy, small intestine, other than duodenum; for exploration, biopsy(s), or foreign body removal

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

An enterotomy is a surgical procedure that involves making an incision in a segment of the small intestine, specifically excluding the duodenum. This procedure is primarily performed for three main purposes: exploration of the intestinal lumen, obtaining biopsy samples for pathological analysis, or removing foreign bodies that may be obstructing the intestinal tract. During the procedure, the surgeon makes an incision in the abdomen to access the small intestine, which is then carefully exposed. The targeted segment of the intestine is removed from the abdominal cavity and placed on the operating table for further examination. To facilitate the exploration, pressure is applied to the intestinal segment to express its contents, allowing for a clearer view of the internal structures. The surgeon then clamps the intestine both distal and proximal to the site of the incision to prevent the contents from spilling into the abdominal cavity. An incision is made in the intestinal wall, and the internal lumen is explored for any abnormalities or foreign objects. If necessary, tissue samples are collected and sent to a laboratory for further examination. In cases where a foreign body is identified, it is carefully extracted. After the necessary procedures are completed, the intestinal incision is closed, the clamps are removed, and the intestinal segment is returned to its original position within the abdomen. Finally, the abdominal incision is closed to complete the surgery. This procedure is distinct from CPT® Code 44021, which describes an enterotomy performed specifically for decompression of the intestine.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The enterotomy procedure, coded as CPT® 44020, is indicated for several specific clinical scenarios, including:

  • Exploration of the Intestinal Lumen - This procedure is performed to investigate abnormalities within the small intestine that may not be visible through non-invasive imaging techniques.
  • Biopsy - Tissue samples are obtained from the intestinal wall for pathological examination to diagnose conditions such as infections, inflammatory diseases, or malignancies.
  • Foreign Body Removal - The procedure is indicated when a foreign object is suspected to be lodged within the small intestine, causing obstruction or other complications.

2. Procedure

The procedure for an enterotomy, as described by CPT® 44020, involves several critical steps:

  • Incision in the Abdomen - The surgeon begins by making an incision in the abdominal wall to access the small intestine. This incision allows for direct visualization and manipulation of the intestinal segment.
  • Exposure of the Intestinal Segment - Once the abdomen is opened, the specific segment of the small intestine, excluding the duodenum, is identified and carefully exposed for further examination.
  • Removal of the Segment - The targeted segment of the intestine is then removed from the abdominal cavity and placed on the operating table. This step is crucial for allowing the surgeon to perform a thorough exploration.
  • Expression of Contents - To facilitate the examination, pressure is applied to the intestinal segment to express its contents, which helps in identifying any abnormalities or foreign bodies present within the lumen.
  • Clamping the Intestine - The intestine is clamped both distal and proximal to the operative site to prevent any spillage of intestinal contents into the abdominal cavity during the procedure.
  • Incision in the Intestine - An incision is made in the wall of the intestine, allowing access to the internal lumen for exploration and biopsy if necessary.
  • Tissue Sampling - If indicated, tissue samples are taken from the intestinal wall and sent to the laboratory for pathological examination to assist in diagnosis.
  • Foreign Body Removal - If a foreign body is identified during the exploration, it is carefully removed to alleviate any obstruction or potential complications.
  • Closure of the Intestinal Incision - After completing the necessary procedures, the incision made in the intestine is closed securely to restore the integrity of the intestinal wall.
  • Return of the Intestinal Segment - The distal and proximal clamps are removed, and the intestinal segment is returned to its original position within the abdominal cavity.
  • Closure of the Abdominal Incision - Finally, the abdominal incision is closed, completing the surgical procedure.

3. Post-Procedure

Post-procedure care following an enterotomy involves monitoring the patient for any signs of complications, such as infection or leakage from the intestinal incision. Patients are typically observed for recovery from anesthesia and may require pain management. Dietary modifications may be necessary, and the healthcare team will provide guidance on resuming normal activities. Follow-up appointments are essential to assess healing and ensure that any biopsies taken are reviewed for pathological findings.

Short Descr EXPLORE SMALL INTESTINE
Medium Descr ENTEROTOMY SM INT OTH/THN DUO EXPL BX/FB RMVL
Long Descr Enterotomy, small intestine, other than duodenum; for exploration, biopsy(s), or foreign body removal
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple 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) 2 - Payment restriction for assistants at surgery does not apply to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Inpatient Procedures, not paid under OPPS
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 2
CCS Clinical Classification 92 - Other bowel diagnostic procedures
55 Postoperative management only: when 1 physician or other qualified health care professional performed the postoperative management and another performed the surgical procedure, the postoperative component may be identified by adding modifier 55 to the usual procedure number.
22 Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service.
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
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).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
78 Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.)
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
AG Primary physician
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
ET Emergency services
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
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
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2002-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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