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Y99 External cause status
BackY99.0Civilian activity done for income or payCategoryY99.1Military activityCategoryY99.2Volunteer activityCategoryY99.8Other external cause statusCategoryY99.9Unspecified external cause statusCategory
Category
Y99
External cause status
NOTE
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.
- Chapter
- XX · External causes of morbidity
- Section
- Y90-Y99
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.