![]() The synovial membrane produces synovial fluid which lubricates the joint to reduce friction on the articular cartilage during motion.Īrthroscopic synovectomy of the knee may be reported with CPT codes 29875 (Limited synovectomy, “separate procedure”) or 29876 (Major synovectomy of two or three compartments). Synovium (Synovial membrane) is the delicate, thin membrane that encapsulates the knee joint. In the knee, articular cartilage covers the lower end of the femur, the upper end of the tibia, and the undersurface of the patella. An intermediate patellofemoral joint is between the patella and the patellar surface of the femur (Patellofemoral Compartment)Īrticular cartilage is the soft, elastic cartilage that covers the ends of bones within the joint.Medially is a second tibiofemoral joint, between the medial condyle of the femur, medial meniscus, and medial condyle of the tibia (Medial Compartment).Laterally is a tibiofemoral joint, between the lateral condyle of the femur, lateral meniscus, and lateral condyle of the tibia, which is weight-bearing (Lateral Compartment).It is a modified hinge joint that consists of three joints within a single synovial cavity: The knee joint is the largest and most complex joint of the body. ![]() Orthopedic coding knee procedures requires knowledge of knee anatomy.
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