External cause status (Y99)

• ICD-10 Index

  • External causes of morbidity and mortality (V01–Y98)

    • Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99)

      • External cause status (Y99)

        • Y99 - External cause status NON-BILLABLE CODE
        • Y99.0 - Civilian activity done for income or pay BILLABLE CODE
        • Y99.1 - Military activity BILLABLE CODE
        • Y99.2 - Volunteer activity BILLABLE CODE
        • Y99.8 - Other external cause status BILLABLE CODE
        • Y99.9 - Unspecified external cause status BILLABLE CODE

Instructional Notations

• A single code from category Y99 should be used in conjunction with the external cause codes assigned to a record to indicate the status of the person at the time the event occurred.