ICD-10-CM · Chapter 19 · S00-T88
T66 Radiation sickness, unspecified
Excludes 1 (cannot be coded together)
- specified adverse effects of radiation, such as:
- burns (T20-T31)
- leukemia (C91-C95)
- radiation gastroenteritis and colitis (K52.0)
- radiation pneumonitis (J70.0)
- radiation related disorders of the skin and subcutaneous tissue (L55-L59)
- sunburn (L55.-)
Last reviewed: September 2026