May be associated with osteoarthritis, low bone density, musculoskeletal or neurologic disorder, patellofemoral pain syndrome, or a fall.
The general category of knee injury may be divided into ligamentous injuries, sprains, contusions, dislocations, fractures, and cartilage, meniscus, or tendon injuries.
Characterized by knee pain, swelling, inability to bear weight, limited range of motion, limp, deformity, clicking, grinding (crepitus), catching, stiffness of knee, and knee instability.
Management depends on the type and severity of injury and ranges from icing and bracing to arthroplasty and total knee replacement. Most injuries call for physical therapy and medications for pain, swelling, or infection.
S83.193A – Other subluxation of unspecified knee, initial encounter
S83.90XA – Sprain of unspecified site of unspecified knee, initial encounter
125601008 – Injury of knee