HCPCS Code L1852: Knee Orthosis (KO), Double Upright, Thigh and Calf, With Adjustable Flexion and Extension Joint, Prefabricated, Off-The-Shelf

It can take up to an hour.

If the orthosis isn't fitted properly, the patient runs the risk of having skin irritation or pressure sores. Allergic reactions to the orthosis's materials could happen, but this should be rare.

Physical therapy. Surgery is the last resort.