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Official Description

Open treatment of posterior or anterior acetabular wall fracture, with internal fixation

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 27226 involves the open treatment of fractures located in the posterior or anterior walls of the acetabulum, which is a critical component of the hip joint. The acetabulum consists of several anatomical structures, including the anterior (iliopubic) column, posterior (ilioischial) column, anterior wall, posterior wall, quadrilateral plate (medial wall), and dome. These structures collectively form the articular surface of the hip and play a vital role in stabilizing the hip joint during movement. In this surgical procedure, a surgical incision is made over the hip joint to access the fractured area. Once exposed, the surgeon performs debridement and irrigation of the hip joint to remove any debris and loose fragments that may interfere with healing. Following this, the fracture is carefully reduced, meaning the bone fragments are realigned to their normal anatomical position. Temporary fixation methods, such as pins or wires, may be employed to hold the fragments in place during the procedure. The surgeon then verifies the anatomic reduction through radiographic imaging to ensure proper alignment. For permanent stabilization, internal fixation devices are applied, which may include lag screws or a plate and screw system. In the case of lag screw fixation, the outer cortex of the bone is over-drilled to allow for the insertion of screws that secure the fracture. Alternatively, if a plate and screw fixation method is chosen, a buttress plate is positioned along the rim of the acetabulum at the fracture site and secured with lag screws. Additionally, if necessary, separately reportable bone grafts may be utilized to further stabilize the fracture fragments, enhancing the overall success of the surgical intervention.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The open treatment of posterior or anterior acetabular wall fractures is indicated in specific clinical scenarios where the integrity of the acetabulum is compromised. The following conditions may warrant this surgical intervention:

  • Acetabular Fractures Fractures of the acetabulum that may result from high-energy trauma, such as motor vehicle accidents or falls from significant heights.
  • Displacement of Fracture Fragments Cases where the fracture fragments are displaced, leading to instability of the hip joint and potential complications if not addressed.
  • Intra-articular Fractures Fractures that extend into the joint space, which can affect the function of the hip joint and require surgical intervention for proper alignment and stabilization.
  • Failure of Conservative Treatment Situations where non-surgical management has failed to achieve adequate stabilization or pain relief, necessitating surgical correction.

2. Procedure

The procedure for the open treatment of posterior or anterior acetabular wall fractures involves several critical steps to ensure proper alignment and stabilization of the fractured bone. The following procedural steps are typically followed:

  • Step 1: Incision and Exposure A surgical incision is made over the hip joint to provide access to the acetabulum. This incision allows the surgeon to visualize the fracture site and surrounding structures.
  • Step 2: Debridement and Irrigation Once the fracture is exposed, the hip joint undergoes debridement to remove any debris, loose fragments, or damaged tissue. The joint is then irrigated to ensure a clean surgical field, which is essential for optimal healing.
  • Step 3: Fracture Reduction The surgeon carefully reduces the fracture, aligning the bone fragments to their normal anatomical position. This step is crucial for restoring the function of the hip joint.
  • Step 4: Temporary Fixation To maintain the alignment of the fracture during the procedure, temporary fixation methods, such as pins or wires, may be used. This stabilization allows the surgeon to proceed with the next steps without losing the reduction.
  • Step 5: Radiographic Verification After the fracture has been reduced, the surgeon verifies the anatomic reduction through radiographic imaging. This step ensures that the fragments are properly aligned before permanent fixation is applied.
  • Step 6: Permanent Fixation The final step involves the application of permanent internal fixation devices. This may include the use of lag screws, where the outer cortex of the bone is over-drilled, and screws are inserted to secure the fracture. Alternatively, a plate and screw fixation method may be employed, where a buttress plate is placed along the rim of the acetabulum at the fracture site and secured with lag screws.
  • Step 7: Bone Grafting (if necessary) In some cases, separately reportable bone grafts may be utilized to enhance the stability of the fracture fragments, particularly if there is a significant loss of bone or if additional support is required for healing.

3. Post-Procedure

Post-procedure care following the open treatment of acetabular wall fractures 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 during the recovery phase. Rehabilitation may begin shortly after surgery, focusing on restoring mobility and strength to the hip joint. Physical therapy is often recommended to guide patients through exercises that promote healing and improve function. Follow-up appointments are scheduled to assess the healing process through imaging studies and clinical evaluations, ensuring that the fracture is healing correctly and that the hip joint is stable.

Short Descr TREAT HIP WALL FRACTURE
Medium Descr OPTX PST/ANT ACTBLR WALL FX W/INT FIXJ
Long Descr Open treatment of posterior or anterior acetabular wall fracture, with internal fixation
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 Inpatient Procedures, not paid under OPPS
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.
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.
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
GW Service not related to the hospice patient's terminal condition
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)
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
1993-01-01 Added First appearance in code book in 1993.
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