ICD-10-CM FY2027 diagnosis code

X39.0: Exposure to natural radiation

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

X39.0 groups related diagnoses under exposure to natural radiation. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Other codes in X39 Exposure to other forces of nature

X39.0 questions

Is X39.0 a billable code?

No. X39.0 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.

What does X39.0 mean?

X39.0 is the ICD-10-CM code for Exposure to natural radiation. It is in chapter 21, External causes of morbidity (V00-Y99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.