There are four levels, or categories of nursing home violations in the state of Illinois, including: Type AA—The condition or occurrence caused the death of a resident; Type A—The condition or occurrence creates a significant probability that death or serious mental or. physical harm will result or has resulted; Type B—The condition or occurrence makes it more likely than not that a resident will suffer more than minimal physical or mental harm; and Type C—The condition or occurrence creates a substantial probability that a resident will suffer minimal physical or mental harm.