Is W35.XXXD a billable ICD-10-CM code?

Yes. W35.XXXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W35.XXXD sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).

What cannot be coded together with W35.XXXD?

W35.XXXD 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 W35.XXXD (W35) and apply to it just the same.

W35.XXXD

W35.XXXD — Explosion and rupture of boiler, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

W35.XXXD is a billable, specific ICD-10-CM code for explosion and rupture of boiler, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to code W35

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

explosion and rupture of boiler on watercraft (V93.4)

Excludes1 inherited from the categories above W35.XXXD

These are not written on W35.XXXD, but they bind it: a note on a category applies to every code beneath it. Billing W35.XXXD with anything listed here is a denial.

Written on W35 — Explosion and rupture of boiler

explosion and rupture of boiler on watercraft (V93.4)

Risk adjustment

W35.XXXD 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.

Code history

W35.XXXD has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share W35. If W35.XXXD is not quite right, the correct code is usually one of these.

Questions about W35.XXXD

Is W35.XXXD a billable ICD-10-CM code?: Yes. W35.XXXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W35.XXXD sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).
What cannot be coded together with W35.XXXD?: W35.XXXD 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 W35.XXXD (W35) and apply to it just the same.