X37.43XS — Tidal wave due to landslide, sequela
Is X37.43XS billable?
Yes — X37.43XS is billable for FY2027. X37.43XS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. X37.43XS may be submitted for encounters from October 1, 2026 through September 30, 2027.
X37.43XS at a glance
| Code | X37.43XS |
|---|---|
| Description | Tidal wave due to landslide, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in X37.43XS?
In X37.43XS, the 7th character S means sequela. The 7th character is required for X37.43XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is X37.43XS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under X37.43, the nearest indexed parent of X37.43XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Forces of nature › tidal wave › due to › landslide
How long has X37.43XS existed?
X37.43XS 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.