W18.42XA — Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounter
Is W18.42XA billable?
Yes — W18.42XA is billable for FY2027. W18.42XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W18.42XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
W18.42XA at a glance
| Code | W18.42XA |
|---|---|
| Description | Slipping, tripping and stumbling without falling due to stepping into hole or opening, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in W18.42XA?
In W18.42XA, the 7th character A means initial encounter. The 7th character is required for W18.42XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W18.42XA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W18.42, the nearest indexed parent of W18.42XA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Slipping › without fall › due to › stepping into hole or opening (accidental) (on same level) (with fall)
- Stumbling › without fall › due to › stepping into hole or opening
- Tripping › without fall › due to › stepping into hole or opening
Excludes1 — never code together — inherited from W00-W19
The conditions below can never be reported together with W18.42XA 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 W18.4
The conditions below can never be reported together with W18.42XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- collision with another person without fall (W51)
Excludes2 — not included here — inherited from W00-W19
The conditions below are not part of W18.42XA, but a patient may have both at the same time. When documentation supports it, W18.42XA and the excluded code may both be reported.
How long has W18.42XA existed?
W18.42XA 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.