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Official Description

Open treatment of humeral epicondylar fracture, medial or lateral, includes internal fixation, when performed

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

An open treatment of a humeral epicondylar fracture involves a surgical procedure aimed at correcting a fracture located at the medial or lateral epicondyle of the distal humerus. The epicondyles are bony projections at the lower end of the humerus, which serve as attachment points for muscles and ligaments. This type of fracture is classified as extra-articular, meaning it does not extend into the joint space, and specifically affects the medial or lateral columns of the distal humerus. The procedure is indicated for cases where there is an isolated displaced fracture of either the medial or lateral epicondyle, but not both simultaneously. During the surgery, the fracture site is carefully exposed to allow for direct visualization and access. The ulnar nerve, which runs close to the medial epicondyle, is identified and protected to prevent nerve damage during the procedure. After clearing any debris from the fracture site, the fracture is reduced, meaning the bone fragments are realigned to their normal position. For stabilization, smaller fragments may be secured using sutures, while larger fragments may require internal fixation methods such as K-wires, pins, nails, or screws. Once the fracture is adequately stabilized, the surgical wound is closed, and a splint is applied to support the arm during the initial healing phase.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The open treatment of a humeral epicondylar fracture is indicated for specific conditions related to the fracture of the distal humerus. The following are the explicitly provided indications for this procedure:

  • Isolated Displaced Fracture An isolated displaced fracture of either the medial or lateral epicondyle of the distal humerus is present, necessitating surgical intervention to restore proper alignment and stability.

2. Procedure

The procedure for the open treatment of a humeral epicondylar fracture involves several critical steps to ensure successful repair and stabilization of the fracture. The following procedural steps are outlined:

  • Step 1: Exposure of the Fracture Site The surgical team begins by making an incision to expose the fracture site at the medial or lateral epicondyle of the distal humerus. This exposure is essential for direct access to the fracture and surrounding structures.
  • Step 2: Identification and Protection of the Ulnar Nerve During the procedure, the ulnar nerve, which is located near the medial epicondyle, is carefully identified. It is crucial to protect this nerve to prevent any potential injury that could lead to complications such as numbness or weakness in the hand.
  • Step 3: Debris Clearance Once the fracture site is exposed and the ulnar nerve is protected, any debris or tissue that may obstruct the view or interfere with the repair is cleared from the fracture site. This step ensures a clean working area for the subsequent reduction of the fracture.
  • Step 4: Fracture Reduction The next step involves the reduction of the fracture, where the bone fragments are realigned to their normal anatomical position. This is a critical step to restore function and stability to the elbow joint.
  • Step 5: Stabilization of Fragments After the fracture has been reduced, stabilization is achieved. Smaller fragments may be secured using sutures, while larger fragments require internal fixation methods such as K-wires, pins, nails, or screws to ensure they remain in the correct position during the healing process.
  • Step 6: Wound Closure and Splint Application Once the fracture is stabilized, the surgical team proceeds to close the wound. After closure, a splint is applied to the arm to provide support and immobilization, facilitating the healing process.

3. Post-Procedure

Post-procedure care following the open treatment of a humeral epicondylar fracture includes monitoring for any signs of complications, such as infection or nerve damage. Patients are typically advised to keep the arm elevated and to follow specific instructions regarding movement and weight-bearing activities. The splint applied during surgery will help immobilize the area, allowing for proper healing. Follow-up appointments are essential to assess the healing process and to determine when physical therapy may begin to restore range of motion and strength in the affected arm.

Short Descr TREAT HUMERUS FRACTURE
Medium Descr OPEN TX HUMERAL EPICONDYLAR FRACTURE
Long Descr Open treatment of humeral epicondylar fracture, medial or lateral, includes internal fixation, when performed
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) 1 - 150% payment adjustment for bilateral procedures applies.
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 Hospital Part B services paid through a comprehensive APC
ASC Payment Indicator Device-intensive procedure added to ASC list in CY 2008 or later; paid at adjusted rate.
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P3D - Major procedure, orthopedic - other
MUE 1
CCS Clinical Classification 148 - Other fracture and dislocation procedure
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.
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).
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
GC This service has been performed in part by a resident under the direction of a teaching physician
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
SG Ambulatory surgical center (asc) facility service
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
Date
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Notes
2008-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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