W18.31XD — Fall on same level due to stepping on an object, subsequent encounter
Is W18.31XD billable?
Yes — W18.31XD is billable for FY2027. W18.31XD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W18.31XD may be submitted for encounters from October 1, 2026 through September 30, 2027.
W18.31XD at a glance
| Code | W18.31XD |
|---|---|
| Description | Fall on same level due to stepping on an object, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in W18.31XD?
In W18.31XD, the 7th character D means subsequent encounter. The 7th character is required for W18.31XD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W18.31XD listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W18.31, the nearest indexed parent of W18.31XD. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Stepping on › object › with fall
- Fall, falling › on same level › due to › stepping on an object (accidental)
Excludes1 — never code together
The conditions below can never be reported together with W18.31XD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- slipping, tripping and stumbling without fall due to stepping on animal (W18.41)
Inclusion terms
Alternative wording in documentation that is classified to W18.31XD.
- Fall on same level due to stepping on an animal
Excludes1 — never code together — inherited from W00-W19
The conditions below can never be reported together with W18.31XD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W18.31
The conditions below can never be reported together with W18.31XD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- slipping, tripping and stumbling without fall due to stepping on animal (W18.41)
Excludes2 — not included here — inherited from W00-W19
The conditions below are not part of W18.31XD, but a patient may have both at the same time. When documentation supports it, W18.31XD and the excluded code may both be reported.
How long has W18.31XD existed?
W18.31XD has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.