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External Cause of Injuries Index

External cause status

Index code:Y99.9
  • child assisting in compensated work for family Y99.8
  • civilian activity done for financial or other compensation Y99.0
  • civilian activity done for income or pay Y99.0
  • family member assisting in compensated work for other family member Y99.8
  • hobby not done for income Y99.8
  • leisure activity Y99.8
  • military activity Y99.1
  • off-duty activity of military personnel Y99.8
  • recreation or sport not for income or while a student Y99.8
  • specified NEC Y99.8
  • student activity Y99.8
  • volunteer activity Y99.2
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What is the ICD-10-CM code for External cause status?

The ICD-10-CM Alphabetic Index directs "External cause status" to Y99.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.

ICD-10-CM External Cause of Injuries Index maintained by CDC/NCHS (public domain), from the CMS FY2027 release.