ICD-10 · PDGM grouping
W18 Other slipping, tripping and stumbling and falls
All 45 codes in the W18 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
45
Can lead a claim
0
Cannot lead a claim
45
What CMS assigns to W18
None of the 45 codes is assigned a clinical group. None of the 45 is assigned a comorbidity subgroup. None can lead a claim.
Every code in W18
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| W18.0 Fall due to bumping against object | ||||
| W18.00 Striking against unspecified object with subsequent fall | ||||
| W18.00XA | Striking against unspecified object with subsequent fall, initial encounterCMS: Striking against unsp object w subsequent fall, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.00XD | Striking against unspecified object with subsequent fall, subsequent encounterCMS: Striking against unsp object w subsequent fall, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.00XS | Striking against unspecified object with subsequent fall, sequelaCMS: Striking against unsp object with subsequent fall, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.01 Striking against sports equipment with subsequent fall | ||||
| W18.01XA | Striking against sports equipment with subsequent fall, initial encounterCMS: Striking against sports equipment w subsequent fall, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.01XD | Striking against sports equipment with subsequent fall, subsequent encounterCMS: Striking against sports equipment w subsequent fall, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.01XS | Striking against sports equipment with subsequent fall, sequelaCMS: Striking against sports equipment w subsequent fall, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.02 Striking against glass with subsequent fall | ||||
| W18.02XA | Striking against glass with subsequent fall, initial encounterCMS: Striking against glass with subsequent fall, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.02XD | Striking against glass with subsequent fall, subsequent encounterCMS: Striking against glass with subsequent fall, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.02XS | Striking against glass with subsequent fall, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.09 Striking against other object with subsequent fall | ||||
| W18.09XA | Striking against other object with subsequent fall, initial encounterCMS: Striking against oth object w subsequent fall, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.09XD | Striking against other object with subsequent fall, subsequent encounterCMS: Striking against oth object w subsequent fall, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.09XS | Striking against other object with subsequent fall, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.1 Fall from or off toilet | ||||
| W18.11 Fall from or off toilet without subsequent striking against object | ||||
| W18.11XA | Fall from or off toilet without subsequent striking against object, initial encounterCMS: Fall from or off toilet w/o strike against object, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.11XD | Fall from or off toilet without subsequent striking against object, subsequent encounterCMS: Fall from or off toilet w/o strike against object, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.11XS | Fall from or off toilet without subsequent striking against object, sequelaCMS: Fall from or off toilet w/o strike against object, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.12 Fall from or off toilet with subsequent striking against object | ||||
| W18.12XA | Fall from or off toilet with subsequent striking against object, initial encounterCMS: Fall from or off toilet w strike against object, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.12XD | Fall from or off toilet with subsequent striking against object, subsequent encounterCMS: Fall from or off toilet w strike against object, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.12XS | Fall from or off toilet with subsequent striking against object, sequelaCMS: Fall from or off toilet w strike against object, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.2 Fall in (into) shower or empty bathtub | ||||
| W18.2XXA | Fall in (into) shower or empty bathtub, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.2XXD | Fall in (into) shower or empty bathtub, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.2XXS | Fall in (into) shower or empty bathtub, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.3 Other and unspecified fall on same level | ||||
| W18.30 Fall on same level, unspecified | ||||
| W18.30XA | Fall on same level, unspecified, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.30XD | Fall on same level, unspecified, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.30XS | Fall on same level, unspecified, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.31 Fall on same level due to stepping on an object | ||||
| W18.31XA | Fall on same level due to stepping on an object, initial encounterCMS: Fall on same level due to stepping on an object, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.31XD | Fall on same level due to stepping on an object, subsequent encounterCMS: Fall on same level due to stepping on an object, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.31XS | Fall on same level due to stepping on an object, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.39 Other fall on same level | ||||
| W18.39XA | Other fall on same level, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.39XD | Other fall on same level, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.39XS | Other fall on same level, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.4 Slipping, tripping and stumbling without falling | ||||
| W18.40 Slipping, tripping and stumbling without falling, unspecified | ||||
| W18.40XA | Slipping, tripping and stumbling without falling, unspecified, initial encounterCMS: Slipping, tripping and stumbling w/o falling, unsp, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.40XD | Slipping, tripping and stumbling without falling, unspecified, subsequent encounterCMS: Slipping, tripping and stumbling w/o falling, unsp, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.40XS | Slipping, tripping and stumbling without falling, unspecified, sequelaCMS: Slipping, tripping and stumbling w/o falling, unsp, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.41 Slipping, tripping and stumbling without falling due to stepping on object | ||||
| W18.41XA | Slipping, tripping and stumbling without falling due to stepping on object, initial encounterCMS: Slip/trip w/o falling due to stepping on object, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.41XD | Slipping, tripping and stumbling without falling due to stepping on object, subsequent encounterCMS: Slip/trip w/o falling due to stepping on object, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.41XS | Slipping, tripping and stumbling without falling due to stepping on object, sequelaCMS: Slip/trip w/o falling due to stepping on object, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.42 Slipping, tripping and stumbling without falling due to stepping into hole or opening | ||||
| W18.42XA | Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounterCMS: Slip/trip w/o falling due to step into hole or opening, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.42XD | Slipping, tripping and stumbling without falling due to stepping into hole or opening, subsequent encounterCMS: Slip/trip w/o falling due to step into hole or opening, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.42XS | Slipping, tripping and stumbling without falling due to stepping into hole or opening, sequelaCMS: Slip/trip w/o fall due to step into hole or opening, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.43 Slipping, tripping and stumbling without falling due to stepping from one level to another | ||||
| W18.43XA | Slipping, tripping and stumbling without falling due to stepping from one level to another, initial encounterCMS: Slip/trip w/o fall d/t step from one level to another, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.43XD | Slipping, tripping and stumbling without falling due to stepping from one level to another, subsequent encounterCMS: Slip/trip w/o fall d/t step from one level to another, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.43XS | Slipping, tripping and stumbling without falling due to stepping from one level to another, sequelaCMS: Slip/trip w/o fall d/t step from one level to another, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.49 Other slipping, tripping and stumbling without falling | ||||
| W18.49XA | Other slipping, tripping and stumbling without falling, initial encounterCMS: Oth slipping, tripping and stumbling w/o falling, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.49XD | Other slipping, tripping and stumbling without falling, subsequent encounterCMS: Oth slipping, tripping and stumbling w/o falling, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W18.49XS | Other slipping, tripping and stumbling without falling, sequelaCMS: Other slipping, tripping and stumbling w/o falling, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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