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2025 CPT code 27550

Closed treatment of knee dislocation without anesthesia.

Follow CPT guidelines for fracture and dislocation treatment, including the use of modifiers for repeat procedures (modifier 76) and surgical care only (modifier 54).

Modifiers 54 (surgical care only) and 76 (repeat procedure by the same physician) are applicable.Other modifiers may apply depending on the circumstances. Consult the CPT manual for appropriate modifier use.

Medical necessity for closed reduction of a knee dislocation is established when a patient presents with a clinically confirmed dislocation causing significant pain and functional impairment.The procedure is medically necessary to restore joint alignment, relieve pain, and prevent further injury.

The physician is responsible for obtaining radiologic images (if necessary) to assess the knee dislocation, performing the closed reduction through manipulation, and applying a splint or other immobilization device to stabilize the joint. Post-reduction assessment and follow-up care may be included.

IMPORTANT:For open reduction and internal fixation of knee dislocation, see codes 27555-27558.If anesthesia is used, refer to appropriate anesthesia codes. For subsequent re-reduction by the same provider, append modifier 76.

In simple words: The doctor fixes a dislocated knee back into place without using any numbing medicine. They gently move the knee joint back to its correct position and then use a splint to keep it stable.

This procedure involves the closed reduction of a knee dislocation without the administration of anesthesia.The physician uses manipulation to realign the dislocated knee joint.Radiologic imaging may be used to confirm the dislocation and the success of the reduction. Following reduction, a splint or other immobilization device is applied to stabilize the knee.

Example 1: A patient presents to the emergency department after a sports injury with a suspected knee dislocation.The physician performs a closed reduction of the knee under fluoroscopic guidance. A long leg splint is applied for immobilization., A patient sustains a knee dislocation in a motor vehicle accident. The physician performs a closed reduction without anesthesia in the emergency department, then applies a splint and refers the patient to an orthopedist for further evaluation and management., A patient with a recurrently dislocating knee presents to the office with a fresh dislocation.The physician performs closed reduction and applies a knee immobilizer.The patient is scheduled for further evaluation to determine the underlying cause of the instability.

** The absence of anesthesia in the code description is crucial.If anesthesia is administered, additional anesthesia codes must be reported.The global period may vary depending on payer policy and specific circumstances.

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