ICD-10-CM External Cause Index · FY 2026 6 Entries
Procedure in the External Cause Index ICD-10-CM
The main term Procedure (operation) carries 6 external cause index entries pointing to 3 ICD-10-CM codes. Every indented line below refines the event by vehicle, object, place, or intent. External cause codes are reported after the injury code; verify the 7th character on the code page.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
6
Index Entries
3
Codes Referenced
—
Default Code
P
Letter
6 of 6 shown
ICD-10-CM
Index Entries Under Procedure 6 entries · 3 codes
Procedure (operation)
correct, on wrong side or body part (wrong side) (wrong site) Y65.53
intended for another patient done on wrong patient Y65.52
performed on patient not scheduled for surgery Y65.52
performed on wrong patient Y65.52
wrong, performed on correct patient Y65.51
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM External Cause of Injuries Index release files, effective October 1, 2025 through September 30, 2026.
