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Official Description

Open treatment of proximal tibiofibular joint dislocation, includes internal fixation, when performed, or with excision of proximal fibula

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 27832 refers to the open treatment of a dislocation at the proximal tibiofibular joint. This joint is a synovial joint located at the back and side of the knee, specifically between the lateral condyle of the tibia and the head of the fibula. Synovial joints, such as the proximal tibiofibular joint, are characterized by their structure, which includes a joint cavity filled with synovial fluid, and are lined with a synovial membrane. They are also supported by ligaments and a joint capsule that provide stability. The open treatment involves making a lateral incision over the joint to access the area directly. During the procedure, the surgeon carefully identifies and dissects the overlying ligaments and tendons, ensuring the protection of the peroneal nerve, which runs close to the joint. The dislocated joint is then exposed, and the dislocation is corrected using specialized instruments. Depending on the severity of the dislocation and the condition of the surrounding structures, internal fixation may be applied to stabilize the joint, or the proximal fibula may be excised if necessary. This procedure is critical for restoring function and stability to the knee and lower leg following a dislocation injury.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The open treatment of proximal tibiofibular joint dislocation, as described by CPT® Code 27832, is indicated for specific conditions and symptoms that necessitate surgical intervention. These indications include:

  • Proximal Tibiofibular Joint Dislocation This procedure is performed when there is a dislocation of the proximal tibiofibular joint, which may result from trauma or injury.
  • Instability of the Joint Patients exhibiting instability in the proximal tibiofibular joint may require surgical treatment to restore proper alignment and function.
  • Associated Ligament Injuries If there are accompanying injuries to the ligaments surrounding the joint, surgical intervention may be necessary to repair or stabilize these structures.

2. Procedure

The open treatment of proximal tibiofibular joint dislocation involves several critical procedural steps, which are detailed as follows:

  • Step 1: Incision and Exposure The procedure begins with a lateral incision made over the proximal tibiofibular joint. This incision allows access to the joint and surrounding structures. The surgeon carefully dissects through the overlying ligaments and tendons to reach the joint capsule.
  • Step 2: Nerve Identification and Protection During the dissection, the peroneal nerve, which is located near the joint, is identified and protected to prevent any nerve damage during the procedure.
  • Step 3: Joint Exposure Once the dissection is complete, the proximal tibiofibular joint is fully exposed, allowing the surgeon to visualize the dislocation and surrounding anatomy.
  • Step 4: Reduction of Dislocation The dislocated joint is then reduced using bone reduction clamps. This step is crucial for realigning the joint to its normal position.
  • Step 5: Temporary Fixation After reduction, temporary wire fixation is employed to hold the joint in place. The surgeon checks the reduction radiographically to ensure proper alignment.
  • Step 6: Internal Fixation If necessary, internal fixation is applied to stabilize the joint. This may involve placing wires or screws through the fibular head into the proximal tibial metaphysis to secure the joint.
  • Step 7: Ligament Repair Any injured ligaments are repaired or stabilized as needed to restore joint integrity and function.
  • Step 8: Resection (if applicable) Alternatively, if the condition warrants, the proximal fibula may be resected. Following resection, the lateral collateral ligament and biceps femoris tendon are secured to the tibia to maintain stability.
  • Step 9: Wound Closure Finally, the surgical site is irrigated to reduce the risk of infection, and the incisions are closed to complete the procedure.

3. Post-Procedure

After the open treatment of proximal tibiofibular joint dislocation, patients typically require careful monitoring and post-operative care. This may include pain management, physical therapy to restore mobility and strength, and follow-up appointments to assess healing and joint function. The expected recovery time can vary based on the severity of the dislocation and any additional procedures performed, such as ligament repair or fibula resection. Patients are advised to follow their surgeon's instructions regarding activity restrictions and rehabilitation to ensure optimal recovery.

Short Descr TREAT LOWER LEG DISLOCATION
Medium Descr OPEN TX PROX TIBFIB JOINT DISLOCATE EXC PROX FIB
Long Descr Open treatment of proximal tibiofibular joint dislocation, includes internal fixation, when performed, or with excision of proximal fibula
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 147 - Treatment, fracture or dislocation of lower extremity (other than hip or femur)
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.
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.
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.)
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)
Date
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Notes
2008-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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