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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > S00-T88 > T66-T78 > T66
T66-T78
Other and unspecified effects of external causes
T66

Radiation sickness, unspecified

Excl1.:
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.-)
Info:
The appropriate 7th character is to be added to code T66
A - initial encounter
D - subsequent encounter
S - sequela
T66.XXXA
Radiation sickness, unspecified : initial encounter
T66.XXXD
Radiation sickness, unspecified : subsequent encounter
T66.XXXS
Radiation sickness, unspecified : sequela

 

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