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W18.40

W18.40: Slipping, tripping and stumbling without falling, unspecified

Non-billable headerICD-10-CM

W18.40 is a non-billable header ICD-10-CM code for slipping, tripping and stumbling without falling, unspecified. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category W18

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above W18.40

A category’s note binds every code beneath it.

Written on W18.4: Slipping, tripping and stumbling without falling

  • collision with another person without fall (W51)

Other codes that can never be billed with W18.40

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • W01Fall on same level from slipping, tripping and stumbling

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Slipping›without fall
  • Stumbling›without fall
  • Tripping›without fall

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead W18.40

3 child codes. Green means billable.

Other codes under W18.4

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.