W20

ICD-10Non-billable category

Struck by thrown, projected or falling object

Official ICD-10-CM descriptor (FY2026)

Struck by thrown, projected or falling object

W20 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • falling object in machinery accident (W24, W28-W31)
  • falling object in transport accident (V01-V99)
  • object set in motion by explosion (W35-W40)
  • object set in motion by firearm (W32-W34)
  • struck by thrown sports equipment (W21.-)

Code first

Sequence the underlying condition before this code.

  • any associated:
  • cataclysm (X34-X39)
  • lightning strike (T75.00)

7th character

  • The appropriate 7th character is to be added to each code from category W20

Permitted 7th characters

Ainitial encounter
Dsubsequent encounter
Ssequela

More specific codes under W20

Where this code sits

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →