Is W18.49 a billable ICD-10-CM code?

No. W18.49 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does W18.49 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Slipping, tripping, stumbling and falls (W00-W19).

What cannot be coded together with W18.49?

W18.49 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above W18.49 (W18.4) and apply to it just the same.

W18.49

W18.49 — Other slipping, tripping and stumbling without falling

Non-billable headerICD-10-CM

W18.49 is a non-billable header ICD-10-CM code for other slipping, tripping and stumbling without falling. 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 W18.49

These are not written on W18.49, but they bind it: a note on a category applies to every code beneath it. Billing W18.49 with anything listed here is a denial.

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

collision with another person without fall (W51)

Risk adjustment

W18.49 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How W18.49 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to W18.49.

Slipping›without fall›due to›specified NEC
Stumbling›without fall›due to›specified NEC
Tripping›without fall›due to›specified NEC

Code history

W18.49 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead W18.49

3 child codes. Green means billable.

Related codes at this level

Codes that share W18.4. If W18.49 is not quite right, the correct code is usually one of these.

Questions about W18.49

Is W18.49 a billable ICD-10-CM code?: No. W18.49 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does W18.49 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Slipping, tripping, stumbling and falls (W00-W19).
What cannot be coded together with W18.49?: W18.49 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above W18.49 (W18.4) and apply to it just the same.