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Official Description

Treatment of humeral shaft fracture, with insertion of intramedullary implant, with or without cerclage and/or locking screws

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 24516 refers to the treatment of a humeral shaft fracture through the insertion of an intramedullary implant, which may be accompanied by cerclage and/or locking screws. This procedure is categorized as an open treatment method, meaning that it involves surgical intervention to stabilize the fracture. The use of an intramedullary implant allows for internal fixation of the fracture without the need for direct exposure of the fracture site. The procedure can be performed using either an antegrade or retrograde approach, depending on the specific circumstances of the fracture and the surgeon's preference. In the antegrade approach, an incision is made over the proximal humerus, which may involve the rotator cuff or be positioned laterally to the articular surface. The intramedullary nail is then inserted into the medullary canal of the humerus and is typically secured with locking screws that are placed both proximally and distally to enhance stability. Conversely, the retrograde approach involves splitting the distal triceps muscle and drilling a hole in the olecranon process to facilitate the insertion of the nail. A locking screw is then placed at the proximal end of the nail to secure it in position. Throughout the procedure, the stability of the fracture is assessed, and if necessary, wire cerclage may be employed to provide additional support to the fracture fragments. Radiographic verification is often utilized to ensure adequate reduction and alignment of the fracture fragments post-insertion.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 24516 is indicated for the treatment of humeral shaft fractures. These fractures may occur due to various mechanisms, including trauma, falls, or direct impact. The primary indications for performing this surgical intervention include:

  • Humeral Shaft Fracture A fracture occurring in the shaft of the humerus, which may be classified as displaced or non-displaced, necessitating surgical fixation for proper healing.
  • Fracture Instability Situations where the fracture is unstable and cannot be adequately managed through conservative treatment methods, such as casting or splinting.
  • Non-Union or Malunion Cases where previous attempts at fracture healing have failed, leading to non-union or malunion of the fracture fragments.

2. Procedure

The procedure for CPT® Code 24516 involves several key steps to ensure effective treatment of the humeral shaft fracture. These steps include:

  • Step 1: Patient Positioning and Anesthesia The patient is positioned appropriately, typically in a supine position, and anesthesia is administered to ensure comfort during the procedure.
  • Step 2: Incision and Approach Depending on the chosen method, either an antegrade or retrograde approach is utilized. For the antegrade approach, an incision is made over the proximal humerus, either through the rotator cuff or laterally to the articular surface. In the retrograde approach, the distal triceps is split, and a hole is drilled in the olecranon process.
  • Step 3: Insertion of Intramedullary Nail An intramedullary nail is inserted into the intramedullary space of the humerus. This nail serves as the primary fixation device for stabilizing the fracture.
  • Step 4: Securing the Nail The intramedullary nail is secured using locking screws that are placed both proximally and distally. This locking mechanism enhances the stability of the fracture fixation.
  • Step 5: Fracture Stabilization The stability of the fracture is assessed, and if necessary, wire cerclage is applied to provide additional support to the fracture fragments. This step is crucial for ensuring proper alignment and stability during the healing process.
  • Step 6: Radiographic Verification After the nail and screws are in place, radiographic imaging is performed to verify the adequate reduction of the fracture fragments and confirm the success of the procedure.

3. Post-Procedure

Following the procedure associated with CPT® Code 24516, post-operative care is essential for optimal recovery. Patients are typically monitored for any signs of complications, such as infection or improper healing. Pain management strategies are implemented to ensure patient comfort. Rehabilitation may begin shortly after surgery, focusing on restoring range of motion and strength in the affected arm. Follow-up appointments are scheduled to assess healing progress through clinical evaluation and radiographic imaging. The expected recovery time may vary based on the individual patient's condition and adherence to rehabilitation protocols.

Short Descr TREAT HUMERUS FRACTURE
Medium Descr TX HUMRAL SHAFT FX W/INSJ IMED IMPLT W/W CERCLGE
Long Descr Treatment of humeral shaft fracture, with insertion of intramedullary implant, with or without cerclage and/or locking screws
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) 2 - Co-surgeons permitted and no documentation required if the two- specialty requirement is met.
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

This is a primary code that can be used with these additional add-on codes.

20702 Add-on Code MPFS Status: Active Code APC N Manual preparation and insertion of drug-delivery device(s), intramedullary (List separately in addition to code for primary procedure)
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)
AS Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery
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.
50 Bilateral procedure: unless otherwise identified in the listings, bilateral procedures that are performed at the same session, should be identified by adding modifier 50 to the appropriate 5 digit code. note: this modifier should not be appended to designated "add-on" codes (see appendix d).
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).
53 Discontinued procedure: under certain circumstances, the physician or other qualified health care professional may elect to terminate a surgical or diagnostic procedure. due to extenuating circumstances or those that threaten the well being of the patient, it may be necessary to indicate that a surgical or diagnostic procedure was started but discontinued. this circumstance may be reported by adding modifier 53 to the code reported by the individual for the discontinued procedure. note: this modifier is not used to report the elective cancellation of a procedure prior to the patient's anesthesia induction and/or surgical preparation in the operating suite. for outpatient hospital/ambulatory surgery center (asc) 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).
54 Surgical care only: when 1 physician or other qualified health care professional performs a surgical procedure and another provides preoperative and/or postoperative management, surgical services may be identified by adding modifier 54 to the usual procedure number.
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.
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).
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CR Catastrophe/disaster related
GC This service has been performed in part by a resident under the direction of a teaching physician
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GW Service not related to the hospice patient's terminal condition
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
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
Action
Notes
2003-01-01 Changed Code description changed.
1993-01-01 Added First appearance in code book in 1993.
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