ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 19  /  T66-T78  /  T66
T66 Radiation sickness, unspecified
Excludes1 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.-)
char7Note The appropriate 7th character is to be added to code T66
char7Def A: initial encounter
D: subsequent encounter
S: sequela