Is W88.0XXS a billable ICD-10-CM code?

Yes. W88.0XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W88.0XXS sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99).

What cannot be coded together with W88.0XXS?

W88.0XXS 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 W88.0XXS (W88) and apply to it just the same.

W88.0XXS

W88.0XXS — Exposure to X-rays, sequela

Billable / specific codeICD-10-CMPOA exempt

W88.0XXS is a billable, specific ICD-10-CM code for exposure to x-rays, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to each code from category W88

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above W88.0XXS

These are not written on W88.0XXS, but they bind it: a note on a category applies to every code beneath it. Billing W88.0XXS with anything listed here is a denial.

Written on W88 — Exposure to ionizing radiation

exposure to sunlight (X32)

Risk adjustment

W88.0XXS 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

W88.0XXS 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 W88.0. If W88.0XXS is not quite right, the correct code is usually one of these.

Questions about W88.0XXS

Is W88.0XXS a billable ICD-10-CM code?: Yes. W88.0XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W88.0XXS sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99).
What cannot be coded together with W88.0XXS?: W88.0XXS 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 W88.0XXS (W88) and apply to it just the same.