Y99.8

Billable

Other external cause status

Y99.8 is the ICD-10-CM code for Other external cause status. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
V00-Y99
Parent
Y99
Edition
FY2026

V00-Y99 External causes of morbidity

Includes

  • 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

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code Y99.8?
Y99.8 is the ICD-10-CM code for "Other external cause status". It falls under V00-Y99 External causes of morbidity.
Is Y99.8 a billable code?
Yes — Y99.8 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from Y99.8?
Excludes1 (not coded here): civilian activity done for income or compensation (Y99.0); military activity (Y99.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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