Summary & Overview
CPT 27831: Closed Reduction of Proximal Tibiofibular Joint Dislocation
CPT code 27831 represents the closed reduction of a proximal tibiofibular joint dislocation performed under anesthesia. This acute orthopedic procedure is used to realign the proximal tibiofibular joint without an open surgical approach, typically in emergency or perioperative settings. Nationally, accurate coding for dislocation reductions is important for appropriate clinical documentation, payment integrity, and care coordination for acute musculoskeletal injuries.
Key payers in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, common settings where the service is provided, and the kinds of information payers typically evaluate for claims processing. The publication also outlines expected benchmarks and policy considerations relevant to coverage and reimbursement for acute closed joint reductions, and highlights documentation elements commonly required by major payers.
This summary equips clinicians, billing professionals, and policy analysts with the foundational understanding of CPT code 27831, clarifies the service type and typical site of service, and identifies topics covered in the full publication including coding guidance, payer expectations, and clinical documentation considerations.
Billing Code Overview
CPT code 27831 describes closed treatment of a proximal tibiofibular joint dislocation with anesthesia, in which the provider realigns the joint without surgically opening the site of dislocation.
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Service type: Closed joint reduction with anesthesia
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Typical site of service: Emergency department or operating room/procedure suite for acute joint dislocation management
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Clinical & Coding Specifications
Clinical Context
A 28-year-old male presents to the emergency department after a twisting injury to the knee sustained during a soccer match. He reports acute lateral knee pain, swelling, and instability. Physical exam demonstrates lateral proximal tibiofibular region tenderness and deformity with limited ankle dorsiflexion. Plain radiographs suggest a proximal tibiofibular joint dislocation without associated open wound or displaced tibial or fibular fracture. The orthopedic surgeon elects to perform a closed reduction under anesthesia in the operating room. After anesthesia is administered (general or regional), the surgeon applies longitudinal traction with manual manipulation to realign the proximal tibiofibular joint into anatomic position. Post-reduction fluoroscopy confirms joint congruity. The limb is immobilized with a knee immobilizer or cast, and post-procedure neurovascular checks are documented prior to discharge with instructions for orthopedic follow-up and weight-bearing precautions.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Normal, uncomplicated service | Use when the procedure is performed under routine circumstances without complications or unusual services. |
22 | Increased procedural services |