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W90

Non-billable

Exposure to other nonionizing radiation

W90 is the ICD-10-CM code for Exposure to other nonionizing radiation. It is a non-billable category code — use a more specific child code such as W90.0 for billing.

Status
Header (non-billable)
Chapter
V00-Y99
Subcodes
4
Edition
FY2026

V00-Y99 External causes of morbidity

Excludes2 — not included here

  • •exposure to sunlight (X32)

Frequently asked questions

What is ICD-10 code W90?
W90 is the ICD-10-CM code for "Exposure to other nonionizing radiation". It falls under V00-Y99 External causes of morbidity.
Is W90 a billable code?
No — W90 is a non-billable header code. Use a more specific child code (such as W90.0) for billing.
What are the subcodes of W90?
W90 has 4 more specific child codes, including W90.0, W90.1, W90.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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