Coding: ICD-10-CM Section W85-W99

W88

Exposure to ionizing radiation

Excludes1	exposure to sunlight (X32)
char7Note	The appropriate 7th character is to be added to each code from category W88
char7Def	A: initial encounter D: subsequent encounter S: sequela

W88.0

Exposure to X-rays

W88.1

Exposure to radioactive isotopes

W88.8

Exposure to other ionizing radiation