W88
Non-billableExposure to ionizing radiation
W88 is the ICD-10-CM code for Exposure to ionizing radiation. It is a non-billable category code — use a more specific child code such as W88.0 for billing.
- Status
- Header (non-billable)
- Chapter
- V00-Y99
- Subcodes
- 3
- Edition
- FY2026
V00-Y99 External causes of morbidity
Excludes1 — not coded here
- •exposure to sunlight (X32)
Frequently asked questions
- What is ICD-10 code W88?
- W88 is the ICD-10-CM code for "Exposure to ionizing radiation". It falls under V00-Y99 External causes of morbidity.
- Is W88 a billable code?
- No — W88 is a non-billable header code. Use a more specific child code (such as W88.0) for billing.
- What is excluded from W88?
- Excludes1 (not coded here): exposure to sunlight (X32).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition