Orthopedic Impairment (OI)
A severe orthopedic impairment that adversely affects a child's educational performance. The term includes impairments caused by congenital anomaly (e.g., clubfoot, absence of some member, etc.), impairments caused by disease (e.g., poliomyelitis, bone tuberculosis, etc.) and impairments from other causes (e.g., cerebral palsy, amputations and fractures or burns that cause contractures) (34 CFR 300.7(c)(8)).
Source: U.S. Department of Education