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Official Description

Amputation, arm through humerus; secondary closure or scar revision

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 24925 refers to an amputation of the arm through the humerus, specifically focusing on secondary closure or scar revision. This surgical intervention is typically performed following a previous above-elbow amputation. The primary goal of this procedure is to create a pain-free stump that is adequately covered with normal skin, allowing for optimal functionality with a prosthesis. In the context of secondary closure, the surgeon will first debride the raw surface of the stump, which involves the careful removal of any dead or devitalized tissue. This step is crucial to promote healing and prevent complications. Following debridement, skin and subcutaneous tissue are meticulously fashioned into flaps that are then used to cover the stump. It is essential during this process to ensure that there is no undue tension along the suture line, as this can lead to complications such as delayed healing or scar formation. In cases where scar revision is necessary, the procedure involves excising the existing scar tissue. The surgeon will also fashion skin flaps and undermine the edges to facilitate a smooth and tension-free approximation of the skin along the suture line, ultimately enhancing the aesthetic and functional outcomes of the amputation site.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 24925 is indicated for patients who have undergone an above-elbow amputation through the humerus and are experiencing complications or dissatisfaction with the current stump condition. The specific indications for this procedure include:

  • Secondary Closure: This is indicated when the stump has a raw surface that requires coverage with normal skin to promote healing and improve functionality with a prosthesis.
  • Scar Revision: This is indicated when the existing scar tissue is problematic, either due to its appearance or its impact on the function of the stump, necessitating excision and reconstruction for better outcomes.

2. Procedure

The procedural steps for CPT® Code 24925 are as follows:

  • Step 1: Debridement of the Stump Surface The surgeon begins by carefully debriding the raw surface of the stump. This involves the removal of any devitalized tissue to prepare the area for closure. This step is critical to ensure that the remaining tissue is healthy and capable of healing properly.
  • Step 2: Excision of Scar Tissue (if applicable) If scar revision is part of the procedure, the surgeon will excise the existing scar tissue. This is done to improve the appearance and functionality of the stump, allowing for better integration with a prosthesis.
  • Step 3: Fashioning of Skin and Subcutaneous Tissue Flaps After debridement and scar excision, the surgeon will fashion skin and subcutaneous tissue into flaps. These flaps are designed to cover the stump adequately, ensuring that they are large enough to provide sufficient coverage without tension.
  • Step 4: Closure of the Stump The final step involves carefully suturing the skin flaps over the stump. The surgeon must ensure that there is no undue tension along the suture line to promote optimal healing and minimize complications.

3. Post-Procedure

Post-procedure care for patients undergoing CPT® Code 24925 includes monitoring the surgical site for signs of infection, ensuring proper wound care, and managing pain effectively. Patients are typically advised on how to care for the sutures and may be instructed to avoid certain activities that could stress the healing area. Follow-up appointments are essential to assess the healing process and to determine the readiness for prosthetic fitting, if applicable. The expected recovery time may vary based on individual healing rates and the extent of the procedure performed.

Short Descr AMPUTATION FOLLOW-UP SURGERY
Medium Descr AMP ARM THRU HUMERUS SECONDARY CLSR/SCAR REVJ
Long Descr Amputation, arm through humerus; secondary closure or scar revision
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) 0 - Co-surgeons not permitted for this procedure.
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 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) P3D - Major procedure, orthopedic - other
MUE 1
CCS Clinical Classification 164 - Other OR therapeutic procedures on musculoskeletal system
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).
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.
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.)
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)
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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