ICD-10-CM External Cause Index · FY 2026 6 Entries

Knocked down NOS in the External Cause Index ICD-10-CM

The main term Knocked down (accidentally) (by) NOS carries 6 external cause index entries pointing to 5 ICD-10-CM codes. The default entry is X58, the code the bare main term maps to; 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
5
Codes Referenced
X58
Default Code
K
Letter
6 of 6 shown
ICD-10-CM

Index Entries Under Knocked down NOS 6 entries · 5 codes

Knocked down (accidentally) (by) NOS X58 Non-billable
animal (not being ridden) NEC see also Struck by, by type of animal
crowd or human stampede W52 Non-billable
person W51 Non-billable
in brawl, fight Y04.0 Non-billable
transport vehicle NEC V09.9 Non-billable see also Accident, transport

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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.