2026 ICD-10-CM Diagnosis Code W18Other slipping, tripping and stumbling and falls

ICD-10-CM Codes›V01–Y99›W00-W19›W18

ICD-10-CM W18
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

W18 is a non-billable ICD-10-CM category code for other slipping, tripping and stumbling and falls, so it cannot be submitted on claims. Use a more specific code from this category instead, such as W18.00XA, W18.00XD, W18.00XS, and W18.01XA.

Code Identity

ICD-10-CM Code
W18
Billable Status
No — Non-Billable Category
Code Describes
Other slipping, tripping and stumbling and falls
Chapter
W00-W19
Slipping, tripping, stumbling and falls

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionW00-W19Slipping, tripping, stumbling and falls
CategoryW18Other slipping, tripping and stumbling and falls
This CodeW18Other slipping, tripping and stumbling and falls

Specific Coding for Other slipping, tripping and stumbling and fallsOverview

Non-specific codes like W18 require more characters. Use one of these billable codes instead:

  • W18.0 for Fall due to bumping against object

  • W18.00 for Striking against unspecified object with subsequent fall

  • W18.01 for Striking against sports equipment with subsequent fall

  • W18.02 for Striking against glass with subsequent fall

  • W18.09 for Striking against other object with subsequent fall

  • W18.1 for Fall from or off toilet

  • W18.11 for Fall from or off toilet without subsequent striking against object

  • W18.12 for Fall from or off toilet with subsequent striking against object

  • W18.2 for Fall in (into) shower or empty bathtub

  • W18.3 for Other and unspecified fall on same level

  • W18.30 for Fall on same level, unspecified

  • W18.31 for Fall on same level due to stepping on an object

  • W18.39 for Other fall on same level

  • W18.4 for Slipping, tripping and stumbling without falling

  • W18.40 for Slipping, tripping and stumbling without falling, unspecified

  • W18.41 for Slipping, tripping and stumbling without falling due to stepping on object

  • W18.42 for Slipping, tripping and stumbling without falling due to stepping into hole or opening

  • W18.43 for Slipping, tripping and stumbling without falling due to stepping from one level to another

  • W18.49 for Other slipping, tripping and stumbling without falling

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

7th Character Note

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

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Patient EducationClinical

Falls

Falls can be dangerous at any age. Babies and young children can get hurt falling off furniture or down the stairs. Older children may fall off playground equipment. For older adults, falls can be especially serious. They are at higher risk of falling.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About W18Overview

Is W18 (Other slipping, tripping and stumbling and falls) a billable code?

No. This is a category header that groups the codes for other slipping, tripping and stumbling and falls, and headers cannot be submitted on claims. Claims for other slipping, tripping and stumbling and falls need a more specific code from this category, such as W18.00XA, W18.00XD, and W18.00XS.