X35.XXXA — Volcanic eruption, initial encounter
Is X35.XXXA billable?
Yes — X35.XXXA is billable for FY2027. X35.XXXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. X35.XXXA may be submitted for encounters from October 1, 2026 through September 30, 2027.
X35.XXXA at a glance
| Code | X35.XXXA |
|---|---|
| Description | Volcanic eruption, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is X35.XXXA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under X35, the nearest indexed parent of X35.XXXA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Volcanic eruption (any injury)
- Forces of nature › volcanic eruption
- Victim › volcanic eruption (of)
Excludes2 — not included here
The conditions below are not part of X35.XXXA, but a patient may have both at the same time. When documentation supports it, X35.XXXA and the excluded code may both be reported.
- tidal wave (tsunami) due to volcanic eruption (X37.41)
Excludes2 — not included here — inherited from X35
The conditions below are not part of X35.XXXA, but a patient may have both at the same time. When documentation supports it, X35.XXXA and the excluded code may both be reported.
- tidal wave (tsunami) due to volcanic eruption (X37.41)
How long has X35.XXXA existed?
X35.XXXA 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.