Is W90.8XXA a billable ICD-10-CM code?

Yes. W90.8XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W90.8XXA 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).

W90.8XXA

W90.8XXA — Exposure to other nonionizing radiation, initial encounter

Billable / specific codeICD-10-CM

W90.8XXA is a billable, specific ICD-10-CM code for exposure to other nonionizing radiation, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category W90

A: initial encounter
D: subsequent encounter
S: sequela

Risk adjustment

W90.8XXA 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.

Related codes at this level

Codes that share W90.8. If W90.8XXA is not quite right, the correct code is usually one of these.

Questions about W90.8XXA

Is W90.8XXA a billable ICD-10-CM code?: Yes. W90.8XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W90.8XXA 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).