Other slipping, tripping and stumbling and falls (W18) ICD-10-CM
The W18 code range covers other slipping, tripping and stumbling and falls with 65 ICD-10-CM diagnosis codes. 45 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
- The appropriate 7th character is to be added to each code from category W18
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
- A - initial encounter
- D - subsequent encounter
- S - sequela
Codes in the W18 Range 65 codes · 45 billable
- W18 Other slipping, tripping and stumbling and fallsNon-billable
- W18.0 Fall due to bumping against objectNon-billable
- W18.00 Striking against unspecified object with subsequent fallNon-billable
- W18.00XA Striking against unspecified object with subsequent fall, initial encounter
- W18.00XD Striking against unspecified object with subsequent fall, subsequent encounter
- W18.00XS Striking against unspecified object with subsequent fall, sequela
- W18.01 Striking against sports equipment with subsequent fallNon-billable
- W18.01XA Striking against sports equipment with subsequent fall, initial encounter
- W18.01XD Striking against sports equipment with subsequent fall, subsequent encounter
- W18.01XS Striking against sports equipment with subsequent fall, sequela
- W18.02 Striking against glass with subsequent fallNon-billable
- W18.02XA Striking against glass with subsequent fall, initial encounter
- W18.02XD Striking against glass with subsequent fall, subsequent encounter
- W18.02XS Striking against glass with subsequent fall, sequela
- W18.09 Striking against other object with subsequent fallNon-billable
- W18.09XA Striking against other object with subsequent fall, initial encounter
- W18.09XD Striking against other object with subsequent fall, subsequent encounter
- W18.09XS Striking against other object with subsequent fall, sequela
- W18.1 Fall from or off toiletNon-billable
- W18.11 Fall from or off toilet without subsequent striking against objectNon-billable
- W18.11XA Fall from or off toilet without subsequent striking against object, initial encounter
- W18.11XD Fall from or off toilet without subsequent striking against object, subsequent encounter
- W18.11XS Fall from or off toilet without subsequent striking against object, sequela
- W18.12 Fall from or off toilet with subsequent striking against objectNon-billable
- W18.12XA Fall from or off toilet with subsequent striking against object, initial encounter
- W18.12XD Fall from or off toilet with subsequent striking against object, subsequent encounter
- W18.12XS Fall from or off toilet with subsequent striking against object, sequela
- W18.2 Fall in (into) shower or empty bathtubNon-billable
- W18.2XXA Fall in (into) shower or empty bathtub, initial encounter
- W18.2XXD Fall in (into) shower or empty bathtub, subsequent encounter
- W18.2XXS Fall in (into) shower or empty bathtub, sequela
- W18.3 Other and unspecified fall on same levelNon-billable
- W18.30 Fall on same level, unspecifiedNon-billable
- W18.30XA Fall on same level, unspecified, initial encounter
- W18.30XD Fall on same level, unspecified, subsequent encounter
- W18.30XS Fall on same level, unspecified, sequela
- W18.31 Fall on same level due to stepping on an objectNon-billable
- W18.31XA Fall on same level due to stepping on an object, initial encounter
- W18.31XD Fall on same level due to stepping on an object, subsequent encounter
- W18.31XS Fall on same level due to stepping on an object, sequela
- W18.39 Other fall on same levelNon-billable
- W18.39XA Other fall on same level, initial encounter
- W18.39XD Other fall on same level, subsequent encounter
- W18.39XS Other fall on same level, sequela
- W18.4 Slipping, tripping and stumbling without fallingNon-billable
- W18.40 Slipping, tripping and stumbling without falling, unspecifiedNon-billable
- W18.40XA Slipping, tripping and stumbling without falling, unspecified, initial encounter
- W18.40XD Slipping, tripping and stumbling without falling, unspecified, subsequent encounter
- W18.40XS Slipping, tripping and stumbling without falling, unspecified, sequela
- W18.41 Slipping, tripping and stumbling without falling due to stepping on objectNon-billable
- W18.41XA Slipping, tripping and stumbling without falling due to stepping on object, initial encounter
- W18.41XD Slipping, tripping and stumbling without falling due to stepping on object, subsequent encounter
- W18.41XS Slipping, tripping and stumbling without falling due to stepping on object, sequela
- W18.42 Slipping, tripping and stumbling without falling due to stepping into hole or openingNon-billable
- W18.42XA Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounter
- W18.42XD Slipping, tripping and stumbling without falling due to stepping into hole or opening, subsequent encounter
- W18.42XS Slipping, tripping and stumbling without falling due to stepping into hole or opening, sequela
- W18.43 Slipping, tripping and stumbling without falling due to stepping from one level to anotherNon-billable
- W18.43XA Slipping, tripping and stumbling without falling due to stepping from one level to another, initial encounter
- W18.43XD Slipping, tripping and stumbling without falling due to stepping from one level to another, subsequent encounter
- W18.43XS Slipping, tripping and stumbling without falling due to stepping from one level to another, sequela
- W18.49 Other slipping, tripping and stumbling without fallingNon-billable
- W18.49XA Other slipping, tripping and stumbling without falling, initial encounter
- W18.49XD Other slipping, tripping and stumbling without falling, subsequent encounter
- W18.49XS Other slipping, tripping and stumbling without falling, sequela
About the W18 Code Range
These events involve a fall after bumping into something, a fall from a toilet, or a fall in a shower or empty bathtub. They also include falls on the same level and slips, trips, or stumbles without a fall.
W18.0 separates falls after striking an object by the kind of object. W18.1 distinguishes toilet falls by whether the person then strikes an object. W18.3 includes same-level falls caused by stepping on an object. W18.4 separates slips, trips, and stumbles without a fall by circumstances such as stepping into a hole or between levels.
The seventh character identifies an initial encounter, a subsequent encounter, or a later effect.
Questions About This Page
How many billable codes are in the W18 range?
Of the 65 codes in this range, 45 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the W18 range classify?
The range classifies other slipping, tripping and stumbling and falls. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
