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Y99

External cause status

Y99.0

Civilian activity done for income or pay

• military activity (Y99.1)
• volunteer activity (Y99.2)

• Civilian activity done for financial or other compensation

Y99.1

Military activity

• activity of off duty military personnel (Y99.8)

Y99.2

Volunteer activity

• activity of child or other family member assisting in compensated work of other family member (Y99.8)

Y99.8

Other external cause status

• civilian activity done for income or compensation (Y99.0)
• military activity (Y99.1)

• Activity NEC
• Activity of child or other family member assisting in compensated work of other family member
• Hobby not done for income
• Leisure activity
• Off-duty activity of military personnel
• Recreation or sport not for income or while a student
• Student activity

Y99.9

Unspecified external cause status