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Y99.8 Other external cause status
BackY99External cause statusCategory5 →Y99.0Civilian activity done for income or payCategoryY99.1Military activityCategoryY99.2Volunteer activityCategoryY99.8Other external cause statusCategoryY99.9Unspecified external cause statusCategory
CategoryCODABLE
Y99.8
Other external cause status
EXAMPLES
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
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
EXCLUDES
Excludes1: civilian activity done for income or compensation (Y99.0)
military activity (Y99.1)
military activity (Y99.1)
- Chapter
- XX · External causes of morbidity
- Section
- Y90-Y99
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.