What is the standard of cerebral hemorrhage staging?

Cerebral hemorrhage is generally based on time for the staging, can be divided into hyperacute phase, acute phase, recovery period, sequelae period, hyperacute phase generally refers to the time within six hours after the onset, this period belongs to the golden rescue time, acute phase is six hours to two weeks after the onset, recovery period is two weeks to six months after the onset, sequelae period is more than six months.