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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > V00-Y99 > Y90-Y99 > Y99
Y90-Y99
Supplementary factors related to causes of morbidity classified elsewhere
Info:
These categories may be used to provide supplementary information concerning causes of morbidity. They are not to be used for single-condition coding.
Y99

External cause status

Info:
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.
Y99.0
Civilian activity done for income or pay
Info:
Civilian activity done for financial or other compensation
Excl1.:
military activity (Y99.1)
volunteer activity (Y99.2)
Y99.1
Military activity
Excl1.:
activity of off duty military personnel (Y99.8)
Y99.2
Volunteer activity
Excl1.:
activity of child or other family member assisting in compensated work of other family member (Y99.8)
Y99.8
Other external cause status
Info:
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
Excl1.:
civilian activity done for income or compensation (Y99.0)
military activity (Y99.1)
Y99.9
Unspecified external cause status

 

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