notes: -A single code from category Y99 should be used in conjunction with the external cause code(s) assigned to a record to indicate the status of the person at the time the event occurred.
Y99.0 - Civilian activity done for income or pay Y99.1 - Military activity Y99.2 - Volunteer activity Y99.8 - Other external cause status Y99.9 - Unspecified external cause status
Y99 - External cause status
Y99.0 - Civilian activity done for income or pay