ICD-10 CM Code T66
T66
Radiation sickness, unspecified
Excludes Type 1
- 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.-)
7th Character
- The appropriate 7th character is to be added to code T66
- A - initial encounter
- D - subsequent encounter
- S - sequela
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